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Hudson 1953 Jet Mechanical Procedure Manual

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Summary of Contents for Hudson 1953 Jet

  • Page 3: Table Of Contents

    Moore Organization, Inc., 5-105 General Motors will serve as a guide and reference for Hudson service- Building, Detroit 2, Michigan, with whom order men in the proper servicing of Hudson Jet and Super Jet should be placed directly by Distributors and models.
  • Page 4 ALPHABETICAL INDEX - CONTINUED Group Page Group Page ELECTRICAL - Continued ENGINE TUNE UP - Continued 11-12 Starter Motor 62-63 Distributor Voltage Regulator 65-66 Fan Belt Adjustment Wiring Diagram 69-70 Fuel Pump Test Generator Test ENGINE 21-40 Ignition Timing Manifold Heat Control Camshaft and Bearings 39-40 Spark Plugs...
  • Page 5 ALPHABETICAL INDEX - CONTINUED Group Page Group Page FUEL SYSTEM - Continued SPRINGS, SHOCK ABSORBERS AND STABILIZERS 132-135 Exhaust and Intake Manifold Front Coil Springs Exhaust Pipe Front Shock Absorbers 134-135 Fuel Level Indicator 51-52 Front Stabilizer Fuel Pump 48-50 Rear Shock Absorber 134-135 Gasoline Tank...
  • Page 6 1 LUBRICATION...
  • Page 7 LUBRICATION 2...
  • Page 8 3 LUBRICATION...

  • Page 9: Engine Oil

    In order to familiarize Hudson mechanics on the proper lubrications of the engine, chassis and body; The oil measuring gauge seats on a tube pressed lubricating charts indicating points to be lubricated, in the crankcase at the left rear side.

  • Page 10: Engine Oil Level

    10% Kerosene Thereafter, at intervals of 2,000 miles the reservoir should be drained and refilled with Your Authorized Hudson Dealer, who has had new oil of good quality. If the car is operated long experience with the brands of oil available...
  • Page 11 LUBRICATION 6 AT 500 MILES Drain engine oil reservoir and refill with new oil of good quality. See "Engine Oil" - Page 4. EVERY 1,000 MILES VISCOUS CHASSIS LUBRICANT Points Points Drag Link Center Steering Arm Pivot Bearing. Upper Support Arm Outer Tie Rod End Upper Support Arm Inner Steering Spindle Pivot Pins...
  • Page 12 7 LUBRICATION HUDSON HYDRAULIC BRAKE FLUID Check Brake Master Cylinder Fluid Level EVERY 2,000 MILES Perform operations included in 1,000 mile lubrication, in addition to the following: ENGINE OIL Engine - Drain Oil Reservoir and Refill. Air Cleaner - Oil Bath - Remove, wash and add See "Engine Oil,"...

  • Page 13: Spark Plugs

    ENGINE TUNE-UP 8 SECTION 2 ENGINE TUNE-UP SPECIFICATIONS Cylinder Compression Minimum 100 lbs. Vacuum, Intake Manifold 17-20" Hq. Valve Tappet Clearance (Hot) Intake .010" - Exhaust .012" Battery Specific Gravity 1.270 Starting Motor Cranking Voltage 5 0 Volts Cranking Amperage Approximately 160 Amps Stall Test: Volts...

  • Page 14: Compression

    9 ENGINE TUNE-UP ENGINE TUNE-UP valve. If two adjacent cylinders show low com- pression readings, check for a leaking cylinder Engine tune-up is important in maintaining head gasket or loose cylinder head. engine performance, fuel economy, dependabili- ty, and complete owner satisfaction. Modern high speed engines demand accurate diagnosis and To differentiate between ring and valve leak, adjustments.

  • Page 15: Cylinder Balance Test

    ENGINE TUNE-UP 10 VACUUM TEST TAPPET ADJUSTMENT An engine in good :condition - will show a 1. Raise front of car, place stand jack under steady, or slight fluctuating , high vacuum frame cross member and remove right front reading from 18" to 21". Vacuum readings wheel.

  • Page 16: Battery

    11 ENGINE TUNE-UP NOTE: A variation of more than 1 inch of it will crank the engine for 1/2 minute and the vacuum or 40 R.P.M. between pairs of cylin- voltage does not drop below 4-1/2 volts. Slow ders being tested indicates either a defective cranking speed or lower voltage may be due to plug or unequal compression in a cylinder.

  • Page 17: Condenser

    ENGINE TUNE-UP 12 the stationary contact plate, then turning DISTRIBUTOR DWELL TEST eccentric adjusting screw (D) to move the Check distributor cam angle or dwell on a distribu- contact point. Tighten clamp screw when tor tester to determine the cam angle or degrees of correct gap is secured.

  • Page 18: Coil Test

    13 ENGINE TUNE-UP COIL 1 piston starts up on compression stroke. Continue cranking until long line on dampener lines up with If a faulty coil is ,suspected, the coil should be pointer. Loosen distributor quadrant screw and tested with a test light or approved coil testing rotate distributor clockwise to the limit of the slot equipment.

  • Page 19: Starter Solenoid

    ENGINE TUNE-UP 14 volts, check the battery and engine ground cables, starter cable and the starter solenoid to determine the low reading. BATTERY AND ENGINE GROUND STRAPS 1. Connect the voltmeter positive lead to the battery ground terminal, Figure 7. FIGURE 8 AMPERAGE DRAW TEST 1.

  • Page 20: Fan Belt Adjustment

    15 ENGINE TUNE-UP 4. Turn tester to off position after completing test. NOTE: Excessively high readings indicate a short in the starting motor circuit or an excessive drag on the motor due to a bent armature shaft or the field coils touching the armature. Low readings indicates excessive resistance in the circuit caused by loose connections, worn brushes, or weak brush spring tension.
  • Page 21 ENGINE TUNE-UP 16 2. Install the negative voltmeter lead to the gener- 1. Disconnect the battery wire at the voltage regu- ator "A" terminal an d the positive voltmeter lator "B" terminal and connect the ammeter lead to the battery negative terminal. between the voltage regulator "...
  • Page 22 17 ENGINE TUNE-UP FIGURE 14 FIGURE 15 NOTE: If the car is out of warranty the voltage 2. Connect a Starter-Battery Tester directly across regulator can be set by bending the spring the battery and set load to 45 amperes or use the hanger to get this necessary reading.

  • Page 23: Fuel Pump Test

    ENGINE TUNE-UP 18 FUEL PUMP VACUUM BOOSTER CHECK To check the action of the vacuum portion of the FUEL PUMP TEST combination fuel and vacuum pump, connect a vacuum gauge to the inlet port and disconnect To determine if the fuel pump is operating proper- outlet.

  • Page 24: Metering Rod Setting

    19 ENGINE TUNE-UP FIGURE 17 PUMP TRAVEL 1. With throttle valve seated and connector link i n lower hole (short stroke) pump travel should be 16/64". Use Carter Pump stroke gauge T-109- 117-S if available. 2. Adjust pump travel by bending throttle connect- ing link at lower angle.

  • Page 25: Fast Idle Adjustment

    ENGINE TUNE-UP 20 2. Clearance between percolator rocker arm lip and pump arm should be .005" to .015" 3. Adjust by bending the rocker arm, using Bend- ing Tool J-1389 to make this adjustment. FAST IDLE ADJUSTMENT 1. With fast idle cam in normal idle position, tighten throttle lever adjusting screw (A), Fig- ure 20, until it just seats against the cam.

  • Page 26: Specifications

    21 ENGINE SECTION 3 ENGINE SPECIFICATIONS ENGINE - GENERAL Diametral Clearance .0005" to .0015" None Arrangement L Head Adjusting Shims 1.937" to 1.938"x No. Cylinders Crankpins 1.125" Compression Pressure 1 0 0 l b s . m i n i m u m End Play .003"...
  • Page 27 ENGINE 22 INTAKE VALVES VALVE TIMING Angle of Seat 45° Head Outside Diameter 1.500" Inlet Opens 26.8° BTC 9 Port Diameter 1.418" Inlet Closes 9.7° ABC Lift .356" Exhaust Opens 64.9° BBC 4 Length .5.045" Exhaust Closes 5.7° ATC Stem Diameter .3412"...

  • Page 28: Construction

    GENERAL CONSTRUCTION The camshaft is made of especially heat treated alloy iron mounted in four steel back babbitt bear- The Hudson Jet and Super Jet engines are ings. A Morse chain and sprockets are utilized to of the "L" head design.

  • Page 29: Oil Check Valve

    ENGINE 24 The unit consists of a spring loaded diaphragm one cylinder. Do not disturb this position of the and a set of electrical contact points normally engine while the oil pump is removed. closed when the engine is not operating. The 2.

  • Page 30: Oil Pump

    25 ENGINE 3. With the outer rotor (4) pressed against one NOTE: The slot in the end of the oil pump side of the pump body, with a feeler gauge shaft is machined off center as is the tongue on measure the clearance between the outer rotor the end of the distributor shaft, Figure 4.
  • Page 31 ENGINE 26 FIGURE 4...

  • Page 32: Cylinder Head

    4. Disconnect top radiator hose. and crankcase. In s t all new gasket, applying a 5. Disconnect heater hoses (if so equipped). light coat of Hudson Perfect Seal Gasket Paste 6. Disconnect throttle rod at carburetor. on both sides of the new gasket.

  • Page 33: Valve System

    Apply "Hudson Perfect Seal Gas- edge of the valve seat to the top of the valve shown ket Paste" to threads to facilitate tightening of at (D), Figure 9.

  • Page 34: Removal

    29 ENGINE Valve guides can be properly installed with Before starting to reface the valve seat, be sure the J-883-A Valve Guide Installer using pilot that the stone is clean and true. Touch the valve I-883-10. The installer consists of the driven han- seat lightly with the stone to avoid chatter o f the dle, stop collar and a pilot calibrated to limit the grinder.

  • Page 35: Piston Fitting

    ENGINE 30 PISTON & SIZE CODE When a piston is being replaced, it should be of the same weight as the one removed. A com- plete set of new pistons should always be of the A code letter is $tamped on the cylinder block same weight because unequal piston weight can along the lower race of the valve chamber to show cause unbalance and rough engine operation.

  • Page 36: Rod Bushings

    31 ENGINE Under normal operating temperatures, expansion PISTON PINS of the piston bosses forces the piston to assume a Piston pins are of the full floating design. The circular form. pin rotates in the connecting rod bushing with The pistons are also tapered, measuring ap- sufficient movement in the piston to equalize wear.

  • Page 37: Rod Bushings

    ENGINE 32 and diamond bored to very close tolerance. Mount the reamer pilot bushing in the face plate bore on the upper end of the fixture and lock the REMOVAL AND REPLACEMENT lower arbor in place with the locking handle. Insert the reamer through the connecting rod bushing Press out the old bushing by supporting the and into the pilot bushing an d perform the ream-...

  • Page 38: Bearing Sizes

    33 ENGINE NOTE: New bearing inserts should be in- CONNECTING ROD BEARING stalled only in pairs. Never file bearing caps to SIZES, CRANKPIN provide proper clearance when installing new DIAMETERS AND CONNECTING bearings. ROD BORES Before installing new connecting rod bear- ings, the crankpin journals should be checked for BEARING SHELL...

  • Page 39: Crankshaft

    ENGINE 34 the other to bend or twist the rod into proper alignment. Always bend beyond the true alignment position and then bend back straight to relieve the stress that results from the bending operation. If the stress is not relieved, the rod will not hold its alignment after installation in the engine.
  • Page 40 35 ENGINE 18. Remove the four hex bolts attaching the radiator 9. Remove front and rear main bearing caps using to the channel, also remove the four nut s located Bearing Puller J-2955. inside the radiator channel. Lift the radiator up and out of the channel.

  • Page 41: Installation

    ENGINE 36 correct clearance. Rotate the crankshaft only 1/4 machined notch at one end of the main bearing to 1/2 revolution. If no drag is felt and the crank- caps and bores. Place the tool at the end of the up- shaft can be rotated freely by hand, an undersize per bearing insert opposite the notch and rotate the bed ring shell should be installed, Figure 16.

  • Page 42: Installation

    37 ENGINE Mount a dial indicator on the block with the of more than 3/4" from a straight line at the lower indicator pin against the crankshaft rear flange. span indicates a worn chain that should be re- Pry the shaft in the opposite direction to its limit placed.

  • Page 43: Timing Gear Cover

    ENGINE 38 FIGURE 21 1 Dampener cap screw. 2. Dampener cap screw lock. 3. Pulley attaching screw nut. FIGURE 20 4. Pulley attaching screw lockwasher. 5. Dampener cushion (front). TIMING GEAR COVER OIL SEAL RE- 6. Dampener pulley. PLACEMENT 7. Dampener. 8.

  • Page 44: Rear Main Bearing

    39 ENGINE REAR MAIN BEARING Replacement bearings are available f o r service OIL SEAL REPLACEMENT both reamed and unfinished. The finished bearings are sufficiently oversize to the proper dimensions (ENGINE IN CAR) when pressed into place. This eliminates the neces- sity of reaming or scraping bearing for proper 1.

  • Page 45: Valve Maintenance

    ENGINE 40 Check between the camshaft forward bearing 2. Insert a .002" feeler gauge in No. 1 intake tappet and and thrust plate with a feeler gauge. If end rotate engine in direction of rotation until exhaust play is more than .010", replace the thrust valve begins to close.

  • Page 46: Specifications

    41 FUEL SYSTEM & EXHAUST SECTION 4 FULL SYSTEM & EXHAUST SPECIFICATIONS Make Carter WA1-2009S Main Nozzle Slip nozzle, flush type, (angle tip) seats Type Single Throat Down Draft in primary venturi at 45° angle. Discharge Main Venturi 1-3/8" jet size .110" diameter inner nozzle (seats in Primary Venturi 11/32"...

  • Page 47: Accelerating Pump

    FUEL SYSTEM & EXHAUST 42 the engine is flooded during the starting period. As the choke valve opens, the fast idle cam moves away from the screw allowing the engine to run at normal idle speed. ANTI-PERCOLATOR VALVE When the car stands in extreme ly hot weather or after a hard run, fuel in the carburetor bowl may vaporize and set up pressure in the bowl.

  • Page 48: Metering Rod

    43 FUEL SYSTEM & EXHAUST throat when the throttle is opened. The discharge mixture passes and the vacuum piston returns the me- is prolonged by the pressure of the pump and the tering rod to normal position for mechanical operation restriction of the pump jet.

  • Page 49: Anti-Percolator Adjustment

    FUEL SYSTEM & EXHAUST 44 3. Insert metering rod gauge J-1265 (Carter No. T-109-102). Hold gauge vertical and be sure gauge is seated in metering rod jet, Figure 4. 4. Press down on vacuum piston link directly over piston until it contacts the pump arm. Clearance between metering rod pin and shoul- der of gauge should be less than .005"...

  • Page 50: Disassembly

    45 FUEL SYSTEM & EXHAUST 8, until it just seats against the cam. 4. Remove nuts and lockwashers from the carburetor mounting studs and remove carburetor assembly. 2. Hold throttle lever closed and pull cam back until low step is against but not on set screw DISASSEMBLY (B), Figure 8.

  • Page 51: Assembly

    FUEL SYSTEM & EXHAUST 46 Do not remove the piston housing (attached Figure 10. Center the valve by tapping valve to the air horn with rivets). lightly before tightening screws. Peen ends of screw threads to keep screws from loosening. 16.

  • Page 52: Installation

    47 FUEL SYSTEM & EXHAUST 18. Install pump arm and countershaft assembly. 24. Install air horn and piston housing assembly. Install connector link on pump shaft in lower Install screws and lockwashers. Tighten hole in pump arm. screws evenly. 19. Install the throttle shaft arm and screw assem- 25.

  • Page 53: Air Cleaner

    FUEL SYSTEM & EXHAUST 48 2. Connect vacuum line from distributor to carburetor FUEL PUMP (F) and gas line from fuel pump to carburetor (G). A Carter mechanical fuel pump M-729SZ Fig- 3. Connect heat riser tube from exhaust manifold to ure 13, is used as standard equipment.
  • Page 54 49 FUEL SYSTEM & EXHAUST VACUUM BOOSTER TEST 4. Install cam lever (A), pin (D), pin retainer (C), and new rivet plug (B). To check the action of the vacuum portion of 5. Flex diaphragm and hold in maximum down the combination fuel and ;vacuum pump, connect position and tighten valve housing attaching a vacuum gauge to the inlet port and disconnect...
  • Page 55 FUEL SYSTEM & EXHAUST 50 5. Remove fuel pump cover screw (26), gasket 8. Turn cover over and set screen in recess over (25), cover (24), gasket (23) and screen. valve hole. Set screen retainer on screen. Place 6. Remove screws attaching fuel section to center cover gasket (3), cover (2), cover screw gasket section and remove fuel section, diaphragm and cover screw (1) in position and tighten...
  • Page 56 51 FUEL SYSTEM & EXHAUST INSTALLATION surging in the tank and the float bobbing on the surface of the fuel. Install in reverse order of removal. Make sure the flange gasket, mounting stud insulator bush- GAUGE TROUBLE DIAGNOSIS ings and washers are installed properly. GAUGE TESTING EQUIPMENT FUEL LEVER INDICATOR One new OK tank level unit (constant voltage...

  • Page 57: Exhaust And Intake Manifold

    FUEL SYSTEM & EXHAUST 52 GAS TANK UNIT INSTALLATION If there is any question about the tank level unit Reverse the procedure of removal. being OK, took the tank unit up in series with a panel indicator and a constant voltage regulator HEAT CONTROL VALVE known to be OK and a six volt battery.

  • Page 58: Anti-Freeze Chart

    53 COOLING SYSTEM SECTION 5 COOLING SYSTEM ANTI-FREEZE CHART Protection Hudson Methonal Ethylene Glycol Temperature Anti-Freeze Qts. Qts. (Prestone or Equivalent) Qts. 4-1/4 3-1/4 5-1/2 4-1/4 5-1/4 6-3/4 5-1/4 6-1/4 7-3/4 8-3/4 6-3/4 7-3/4 DESCRIPTION AND OPERATION The cooling system is of the pressure type and...

  • Page 59: Anti-Freeze Solution

    COOLING SYSTEM 54 dissipation and results in overheating. This, in ANTI-FREEZE SOLUTION turn, cause loss in lubrication efficiency and accu- mulation of carbon, varnish and sludge. There are several anti-freeze solutions avail- able that are satisfactory for automobile cooling systems. Among them are denatured alcohol, methanol (synthetic wood alcohol) and ethylene If overheating exists due to clogging of the glycol.

  • Page 60: Removal

    55 COOLING SYSTEM The pump shaft is mounted in a permanently The bearing and shaft is serviced as an assembly lubricate d double row ball bearing with grooves in only. The water pump pulley hub is not part of the the :shaft to furnish race-way for the bearing balls and shaft and must be removed from the old shaft and provide a means of taking end thrust of the fan and...

  • Page 61: Installation

    COOLING SYSTEM 56 WATER PUMP - LEGEND 1. Body pipe plug 8. Bearing and shaft assembly 2. Fan blade bolt and lockwasher 9. Shaft slinger 3. Generator adjusting bracket 10. Shaft seal 4. Fan blade assembly 11. Impeller 5. Pulley hub 12.

  • Page 62: Fan Belt Adjustment

    57 COOLING SYSTEM FIGURE 3 Place the thermostat in a pail of water with a ther- FIGURE 2 mometer and heat the water until the thermostat starts to open. FAN BELT ADJUSTMENT The thermometer should show from 150° to 155° F, Figure 6.

  • Page 63: Temperature Gauge

    COOLING SYSTEM 58 FIGURE 4 FIGURE 6 When the coolant is hot, the low resistance in not working properly and should be replaced. the unit causes the instrument panel gauge to read (Check ground connections of the voltage regula- at the hot side of the dial with ignition switch on, tor as grounding is essential to the proper function- Figure 5.

  • Page 64: Cooling System Diagnosis

    59 COOLING SYSTEM The water jacket plugs used in the left side of COOLING SYSTEM DIAGNOSIS the cylinder block are a drive fit and can be easily installed fusing tool J-2793 as illustrated in Figure EXCESSIVE ENGINE TEMPERATURE 7. Use a light coat of H u d s on Perfect Seal Paste CAUSES to facilitate installation and improve the sealing.

  • Page 65: Electrical System

    ELECTRICAL SYSTEM 60 SECTION 6 ELECTRICAL SYSTEM SPECIFICATIONS GENERATOR Make and Model Auto-Lite GGW-4802A Type and Volts Shunt - 6 Volt Control Vibrating type current - Voltage Regulator Controlled Output 45 Amperes Poles Brushes Brush Spring Tension 35 to 53 ounces with new brushes Bearings: Commutator End Bronze...
  • Page 66 61 ELECTRICAL SYSTEM Voltage Regulator: Air Gap 048" to .052" Armature Spring 14-1/2 turns Operating Voltage (at 22 ampere charging rate plus or minus 1.15 volts) STARTER MOTOR Make and Model Auto-Lite MZ 4172 Auto-Lite MZ 4167 Volts Poles Brushes Brush Spring Tension 42 to 53 ounces 42 to 53 ounces...

  • Page 67: Battery

    ELECTRICAL SYSTEM 62 ELECTRICAL SYSTEM the Battery-Starter Tester, meter should show at least 4 volts at 300 amperes discharge. The starting system uses a 6 volt starter mot or and left hand inboard type Bendix drive, on cars If a tester is not available, a voltmeter may be not equipped with Hydra-Matic Drive, and a right connected across the battery terminals while en- hand outboard Bendix Drive with cars equipped...

  • Page 68: Starter Motor

    63 ELECTRICAL SYSTEM CAUTION: Crank engine intermittently (not 2. On inboard type Bendix, remove lock spring more than 30 seconds) to prevent starter mo- from end of Bendix drive, and remove spring tor from overheating. and retainers. 3. Remove two countersunk screws attaching drive 3.

  • Page 69: Motorizing Draw

    ELECTRICAL SYSTEM 64 Generator brushes may be replaced without dis- the regulator "B" terminal and the positive lead assembling generator. Brushes should be replaced to the wire disconnected from the regulator, if they are oil soaked or worn to less than 1/2 of Figure 2.

  • Page 70: Voltage Regulator

    65 ELECTRICAL SYSTEM CIRCUIT BREAKER CHECK the wire disconnected, Figure 4. 2. Connect the voltmeter positive lead to the regu- To determine whether the circuit breaker lator base and the negative lead to the regulator points are closing at the proper generator voltage "B"...

  • Page 71: Breaker Points

    ELECTRICAL SYSTEM 66 proper ignition timing in relation to engine speed. The vacuum advance control provides additional spark advance over the centrifugal advance through the engine vacuum. When the engine is running under light load and engine vacuum is high, the breaker plate is rotated to the maximum advanced posi- tions.

  • Page 72: Condenser

    67 ELECTRICAL SYSTEM BREAKER POINT RENEWAL clip. Condenser mounting screw must make tight ground to breaker plate. Ground wire from breaker 1. Remove distributor cap and rotor. plate to subplate must be securely connected. Check condenser with suitable equipment and 2.

  • Page 73: Coil

    ELECTRICAL SYSTEM 68 5. Pack breaker plate bearing 1/2 full of (high 2. Set distributor rotor to point to No. 1 contact in melting point) grease and install breaker plate, the distributor cap, Figure 8, and insert and bearing retainers and breaker plate screws. In- engage distributor shaft in slot in oil pump gear.
  • Page 74 69 ELECTRICAL SYSTEM...
  • Page 75 ELECTRICAL SYSTEM 70...

  • Page 76: Circuit Breakers And Fuses

    71 ELECTRICAL SYSTEM SEALED BEAM UNIT CIRCUIT BREAKERS & FUSES REPLACEMENT The main circuit breaker is incorporated in the car headlight switch and is connected to an auxil- 1. Remove headlamp lens rim by taking out the iary circuit breaker by a jumper wire. screw at bottom of rim.

  • Page 77: Construction

    CLUTCH 72 SECTION 7 CLUTCH SPECIFICATIONS CLUTCH PEDAL ADJUSTMENT Type Clutch Facings Woven Molded Asbestos Full clutch disengagement must be provided to prevent Facing Inside Diameter 6-1/8" gear clashing when shifting and to prevent the clutch Facing Outside Diameter 9-1/8" pedal from riding against the floor boards.
  • Page 78 73 CLUTCH...
  • Page 79 CLUTCH 74 FIGURE 6 LEGEND 1. Flywheel 7. Release lever retainer 2. Driven disc plate assembly 8. Release lever eyebolt pin 3. Pressure plate 9. Release lever eyebolt 4. Clutch engaging spring 10. Release lever anti-rattle spring 5. Release lever 11.
  • Page 80 75 CLUTCH...
  • Page 81 CLUTCH 76 CLUTCH REMOVAL FROM CAR The clutch assemblies of models 1C and 2C can be removed from the car without dismounting the clutch bell housing from the engine. The floor panel is welded in position and cannot be removed. There- fore, all clutch work must be done from beneath the car.
  • Page 82 77 CLUTCH 6. Lift the eyebolt and release lever assembly out of the pressure plate socket. FIGURE 10 FIGURE 8 INSPECTION 2. Tighten the clutch fixture nut until the pressure springs are compressed sufficiently to relieve the CLUTCH SPRINGS pressure on the release levers and remove the three eyebolt nuts Figure 8.

  • Page 83: Flywheel

    CLUTCH 78 PRESSURE PLATE assembly. Below are the assembly steps: The pressure plate must be true and free of 1. Mount the p r e s sure plate on the clutch scoring or cracks to provide smooth clutch appli- fixture, Figure 9. cation.

  • Page 84: Release Bearing

    79 CLUTCH FIGURE 11 4. Place the Lever Height Gauge J-5490-1 on the Gauge plate hub with the height gauge offset down, Figure 12. FIGURE 13 CLUTCH RELEASE BEARING The clutch release mechanism Figure 6 consists of the clutch throw-out lever (5) pivot (16) and linkage. The inner end of the throw-out lever contacts the flange of the throw-out collar.
  • Page 85 CLUTCH 80 INSTALLING CLUTCH ASSEMBLY IN CAR To install the clutch assembly on engine, pro- ceed as outlined below: 1. Place clutch assembly in position on flywheel with driving plate between flywheel and pres- sure plate. Driving plate must be in s fa ffe d with side stamped ((Flywheel side"...
  • Page 86 81 TRANSMISSION...
  • Page 87 TRANSMISSION 82 FIGURE 2 LEGEND 1. Synchronizer rings 19. C.S. gear spacer 39. Speedometer gear lock key 2. Synchronizer springs 20. C.S. bearing rollers 40. Speedometer gear snap ring 3. Synchronizer hub 21. Counter shaft (rear) 4. Synchronizer shift plates 22.

  • Page 88: Removal

    83 TRANSMISSION SECTION 8 TRANSMISSION the rear bearing retainer. SPECIFICATIONS The main-shaft second speed gear and the GEAR RATIOS reverse idler gear operate on their shafts through precision fitted, bronze alloy bushings. The coun- 2.605:1 tershaft gear cluster operates on the stationary Second 1.630:1 countershaft through needle rollers at each end...

  • Page 89: Disassembly

    TRANSMISSION 84 rear end of transmission and remove complete propeller shaft. Use tape around bear in g cups to retain cups and rollers in position. 3. Disconnect the low and reverse, and second and high shift rods at the transmission shift levers. 4.
  • Page 90 85 TRANSMISSION idler gear shaft out of rear of transmission case and remove the idler gear. FIGURE 4 10. Use the same brass drift on the pilot end of the mainshaft and drive mainshaft rearward to FIGURE 6 remove mainshaft bearing from rear of case. 14.

  • Page 91: Assembly

    TRANSMISSION 86 thimble removed, Figure 8 and replacer J-2995-1 Figure INSPECTION Thoroughly clean and carefully inspect all parts for wear, nicks, scores, etc., to determine if any parts need replacement. Regardless of appearance, all oil seals and gaskets should be replaced to prevent the possibil- ity of oil leaks.

  • Page 92: Countershaft Gear Cluster

    87 TRANSMISSION pin (53), Figure 10. 2. Cover the thrust washers (14), (16), and (17) and ends of gear cluster with viscous grease and place 3. Install the second and high shift shaft (47) in thrust washers in position. The f r on t washer (14) case and move shaft toward outside of case as has bronze face to gear and lug to top.

  • Page 93: Drive Gear Bearing Retainer

    TRANSMISSION 88 butted together at all times. Then lower the gear cluster assembly with dummy shaft to bottom .003" to .016". Excessive end play at this point of case. can only be corrected by installing new parts. REVERSE IDLER GEAR 6.

  • Page 94: Countershaft

    89 TRANSMISSION COUNTERSHAFT transmission during installation. 1. To raise the gear cluster and dummy shaft to align 2. Raise the transmission assembly into position and with the countershaft holes in case, insert two enter guide studs in top holes of case flange. suitable punches through countershaft hole s in the transmission case and engage the 3/16"...
  • Page 95 TRANSMISSION 90...

  • Page 96: Transmission Control

    91 TRANSMISSION TRANSMISSION CONTROL (HANDY SHIFT) NOTE: Do not lose the pilot compression CONTROL SHAFT AND LEVERS spring (6) and flat washer (7) when removing REMOVAL the control tube assembly. 1. Disconnect low and reverse and second and INSTALLATION high shifter rods at the control shaft levers by removing the cotter pins and flat washers.
  • Page 97 OVERDRIVE 92 SECTION 9 OVERDRIVE Overdrive provides a driving ratio of engine speed to rear wheel speed that is numerically lower than direct drive. In overdrive the engine revolves 30% slower than in direct gear at the same car speed, resulting in less wear on engine parts as well as greater fuel and oil economy and smoother operation at high speeds.
  • Page 98 93 OVERDRIVE FIGURE 2...
  • Page 99 OVERDRIVE 94...
  • Page 100 95 OVERDRIVE from the overdrive mainshaft (3); the oil collector ring (4) is spun securely to the mainshaft to form an oil tight seal. 4. Remove the retaining clip at the end of the clutch cam, Figure 6, this will allow removal of the cam and the pinion cage assembly.

  • Page 101: Figure 9

    OVERDRIVE 96 FIGURE 9 FIGURE 11 7, Remove the solenoid attaching screws, turn the solenoid one-quarter turn clockwise and remove, After cleaning give parts visual inspection for Figure 9. wear or damage. Replace any broken or exces- sively worn parts. Roller clutch parts should be carefully in- spected.

  • Page 102: Assembly, Figure 11

    97 OVERDRIVE BEARINGS NOTE: The retractor spring should have a free length of 2-3/4" and 1-21/32" under load of 12 lbs. DO NOT place bearings where dirt is liable to mix The lockup rail spring has a free length of 1-3/8" with the lubricant in the bearings.

  • Page 103: Overdrive Housing Installation

    OVERDRIVE 98 assembly with the large retaining clip, Figure 12. them in position. Then, with the low gear of the transmission engaged, turn the cage and rollers counter-clockwise until the ro1ler s are in their low positions, and snap a tight fitting rubber band around them.

  • Page 104: Out Of The Free Wheeling Cam Roller Retainer)

    99 OVERDRIVE TRANSMISSION AND OVERDRIVE cam of the shift shaft from the slot in the rail. 5. Remove three screws and washers and remove the output shaft rear bearing retainer and gasket. REMOVAL 6. Remove the mainshaft bearing snap ring and spacer. 7.

  • Page 105: Assembly

    OVERDRIVE 100 complete main shaft and adapter plate rearward to NOTE: If replacement of the main drive gear bearing release the mainshaft from the math drive gear is necessary, use Puller J-1134H with thimble removed pocket bearing. as shown in Figure 15. NOTE: The synchronizer sleeve will slide off the Install bearing with Driver j-2995-1, Figure 16 synchronizer hub and the synchronizer shifter...
  • Page 106 101 OVERDRIVE of housing bores with red or white lead or gasket 7. Install the needle roller spacer tube over the sealer and tap new seals in place. special dummy shaft. Apply viscous grease on 3. Install the low and reverse shift shaft into transmis- shaft and insert the shaft and tube in the cluster sion case.
  • Page 107 OVERDRIVE 102 11. Check countershaft gear end play by inserting a 20. Install the snap ring on front of mainshaft feeler gauge between the rear thrust washers as and check end play by inserting a feeler shown in Figure 18. End play should range be- gauge between the rear face of the main- tween .006"...

  • Page 108: Installation

    103 OVERDRIVE 26. With the counter shaf t gear cluster in position, 98 also "Overdrive Housing Installation" swing the overdrive adapter plate to one side and enter the countershaft through rear of case, tap- TRANSMISSION AND OVERDRIVE ping it forward and pushing the dummy shaft out INSTALLATION through front of case.

  • Page 109: Construction

    PROPELLER SHAFT 104 SECTION 10 PROPELLER SHAFT FIGURE 1 1. Sleeve yoke - front 4. Bearing assembly 7. Propeller shaft 2. Dust washer retainer 5. Grease fitting 8. Yoke - rear 3. Dust washer 6. Snap ring 9. Rear universal joint flange (tape needle cups to prevent bearings CONSTRUCTION from coming apart).

  • Page 110: Assembly

    105 PROPELLER SHAFT INSPECTION After both joints are completely disassembled clean parts and carefully inspect for damage and wear. If the journals of the crosses and the needle bearing cups show signs of wear or brinneling or if the needle rollers are tightened or undersize the parts must be replaced.

  • Page 111: Rear Axle

    REAR AXLE 106 SECTION 11 REAR AXLE SPECIFICATIONS Teeth in Gear 3.31 (3-4/13) 4.1 (4-1/10) 4.27 (4-3/11) 3.54 (3-7/13) Teeth in Pinion Standard Transmission Optional Standard Optional ---------- Overdrive Transmission Optional Standard ---------- ---------- Hydra-Matic Transmission ---------- ---------- Standard Optional Axle Shaft End Play .001"...
  • Page 112 107 OVERDRIVE Figure 1...
  • Page 113 PROPELLER SHAFT 108 1. Axle shaft nut 27. Differential side bearing shim 2. Axle shaft washer 28. Differential side bearing cup 3. Axle shaft key 29. Differential side bearing cone 4. Wheel bearing adjusting cap oil seal 30. Housing cover gasket 5.

  • Page 114: Disassembly

    109 OVERDRIVE AXLE REMOVAL DIFFERENTIAL ASSEMBLY AND DRIVE PINION REMOVAL 1. Raise car on a hoist or use stand jacks. Remove 1. Thoroughly clean outside of axle housing with a drain plug and drain axle lubricant. good solvent to preclude the possibility of dirt enter- 2.

  • Page 115: Removal

    PROPELLER SHAFT 110 damaged or excessively warn, be sure mating parts are kept together for proper reassembly. 9. Remove differential bearing cones from case, using puller J-2241-A with 1-2241-10 adapter; remove shims. NOTE: Keep shim packs together to be rein- stalled in same manner.

  • Page 116: Inspection

    111 OVERDRIVE 19. Remove pinion rear bearing cup from housing using remover tool J-2644 and handle J-872-5 (Figure 10). Remove shims from behind bear- ing cup, check thickness of each shim, record total thickness and tie shims together for rein- stallation.

  • Page 117: Installation

    PROPELLER SHAFT 112 Oil and grease seals must be replaced with new parts. DIFFERENTIAL AND DRIVE PINION ASSEMBLY AND INSTALLATION 1. Install differential gears, and pinions, thrust washers in case and cover all contact areas and axle shaft spacer with rear axle lubricant. 2.
  • Page 118 113 OVERDRIVE in relation to the center of the axle. If there are differential bearing caps in position and tighten no figures showing a plus or minus sign, it bolts finger tight. denotes a zero pinion setting and a zero "0" will be shown.
  • Page 119 REAR AXLE 114 pinions. For the 10 tooth, 4.1:1 ratio pinion and move the differential assembly and drive this measurement should be 2.250". These gear away from the pinion until the opposite measurements apply to correctly adjusted pin- bearing cup is firmly seated against housing. ions carrying zero "0"...

  • Page 120: Rear Axle

    115 REAR AXLE 30. Install differential and bearings in housing to outer cups into housing by tapping with a raw- insure proper seating in bearings, tap drive hide hammer. Use flange bolts and brake back- gear lightly with a rawhide hammer. ing plates to draw cups into place.

  • Page 121: Front Suspension

    FRONT SUSPENSION 116 SECTION 12 FRONT SUSPENSION SPECIFICATIONS Curb height (Front) 4-5/32" Wheel Bearing End Play .001" to .003" (Rear) 6-1/16" Tie Rod End Type Plain Bearing Curb height (Front) ont) Caster 0° ± 1/2° Tie Rod Adjustment Threaded Camber 1/4°...
  • Page 122 117 FRONT SUSPENSION...

  • Page 123: Installation

    FRONT SUSPENSION 118 Center steering arm Center steering arm seal Tie rod end Needle bearing Tie rod clamp Center steering arm bracket Tie rod Center steering arm to frame nut Bushing lower support arm inner Shock absorber cup washer Lower support arm Shock absorber cushion Upper support pivot bolt Shock absorber retainer...

  • Page 124: Upper Support Arm Pivot & Bushing

    119 FRONT SUSPENSION be centered on the crossmember. The exact dis- and bushing it is necessary to maintain a tance between the inner face of the support arm proper spread of the pressed steel support and the center line of the bolts holding the pivot arm to insure correct tension on the threads to the crossmember should be 1-1/2".

  • Page 125: Spindle Pivot Pin

    FRONT SUSPENSION 120 NOTE: The distance between the inner faces of 10. Remove cotter pin and nut from outer steering arm the upper support arm is 6-3/16" as shown in (53) and remove outer steering arm and key. Figure 4. The upper support arm assembly must 11.

  • Page 126: Tie Rod Ends

    121 FRONT SUSPENSION of the upper support arm. Thread the upper 3. The steering arm seal consists of a steel washer pivot support bolt through one side of the to which synthetic rubber i s bonded. A separate upper support arm and install the dust seal retainer is therefore not required.

  • Page 127: Riding Height

    FRONT SUSPENSION 122 TIE RODS 2. Hook spring scale J-544-A over the tire tread in a horizontal plane with the wheel spindle center line. REMOVAL NOTE: A pull no greater than 25 pounds should 1. Remove the cotter pins and nuts from both ends be required to turn the wheels on the roller plates.

  • Page 128: Camber

    123 FRONT SUSPENSION There are two types of coil spring available for 1. With the drag link disconnected from the pitman service, low rate and high rate. The springs can be arm, grasp the pitman arm with the hand and identified by the part number stamped on the top move it forward and backward for a short dis- of the coil spring.

  • Page 129: Adjustment

    FRONT SUSPENSION 124 in contact with the road. Correct pivot pin inclina- tion is 3° 28'. Camber is closely allied with pivot pin inclina- tion and a change in camber setting also effects the pivot pin setting. An incorrect p iv o t pin angle indicates a bent pivot pin, frame, steering spindle or support arm.

  • Page 130: Steering Gear

    125 STEERING GEAR...

  • Page 131: Construction

    STEERING GEAR 126 LEGEND Gear shaft nut Steering jacket tube assembly Gear shaft Index plate spring Gear shaft cover Index plate shock pad Adjusting screw thrust plate Index plate Adjusting screw Steering wheel assembly Oil seal Horn button contact cup Bushings Steering wheel nut Adjusting screw lock plate...

  • Page 132: Jacket Tube Bearing

    127 STEERING GEAR 4. Turn the center screw of puller against steering STEERING WHEEL column tube and remove bearing. REMOVAL INSTALLATION 1. Disconnect horn wire at horn relay. 1. Start bearing into jacket tube by hand. 2. Push down on horn button (28) Figure 1, rotate to release, and remove button.

  • Page 133: Assembly

    STEERING GEAR 128 5. Loosen remote control tube bracket (lower) and jacket tube clamp at steering gear, and remove jacket tube. INSTALLATION Reverse procedure of removal. STEERING GEAR (Chuck Assembly) REMOVAL 1. Remove battery. 2. Remove steering wheel and horn wire. 3.

  • Page 134: Installation

    129 STEERING GEAR 3. Install worm shaft cover shims and cover and 3. Tighten the three bolts attaching steering gear to grease retainer tube assembly. frame 50 to 60 foot pounds. 4. Install a new gear shaft oil seal (6) in housing. 4.

  • Page 135: Adjustment

    STEERING GEAR 130 INSTALLATION ROLLER MESH ADJUSTMENT 1. Set front wheels and steering gear in straight 1. Disconnect pitman arm from drag link. ahead position. Adjust tie rods if necessary to obtain 0" -1/16" toe-in. 2. Remove left side dust shield. 2.

  • Page 136: Trouble Diagnosis

    131 STEERING GEAR 2. If necessary to replace the steering arm pivot, LOOSE STEERING the new pivot should be pressed in place main- taining the 2.053" t o 2.055" dimension a s Worn steering linkage shown before drilling the hole for the No. 5 Weak springs in drag link taper pin (A).

  • Page 137: Front Coil Springs

    SPRINGS, SHOCK ABSORBERS & STABILIZERS 132 SECTION 14 SPRINGS, SHOCK ABSORBERS AND STABILIZERS place the car so that the front end is level cross- SPECIFICATIONS wise and then rock the car sidewise several times SPRINGS and allow the car to settle. This will remove any binding that might cause a dimension difference.

  • Page 138: Rear Springs

    133 SPRINGS, SHOCK ABSORBERS & STABILIZERS 6. Carefully lower jack allowing coil spring to expand and remove the spring. CAUTION: The coil spring is under great pres- sure and care should be exercised when removing these springs. INSTALLATION 1. Install coil spring. NOTE: Flat end of spring must be at top.

  • Page 139: Front Shock Absorbers

    SPRINGS, SHOCK ABSORBERS & STABILIZERS 134 2. Insert one end of the spring rear shackle The lower left hand shackle bushing is left hand through the main leaf eye; after insuring the thread and has an identification groove 1/16" wide rubber seals are in place on the shackle start on the head.

  • Page 140: Front Shock Absorbers

    135 SPRINGS, SHOCK ABSORBERS & STABILIZERS Noise that may develop in the rubber grom- INSPECTION mets can be eliminated by replacing the grommets and if the fit is tight, use a small amount of liquid 1. Check condition of grommets and replace if soap at assembly.

  • Page 141: Brakes

    BRAKES 136 SECTION 15 BRAKES Hydraulic fluid displaced by the wheel cylinder SPECIFICATIONS piston retracting m o v e me n t forces the fluid Type Bendix Fixed Anchor back through the tubes into the master cylinder Drum Diameter 9" reservoir.
  • Page 142 137 BRAKES FIGURE 1 - LEGEND Hand brake lever grip Brake pedal lever Hand brake mounting bracket Rear wheel brake tube Hand brake ratchet rod Brake cable toggle assembly Hand brake cable sleeve Cable lever pivot plate Hand brake cable retainer Cable lever brace clevis Hand brake dust grommet Cable lever pivot brace...
  • Page 143 1. Wash all master cylinder parts in clean alcohol. ance is not maintained and high line pressure 2. After washing, dip all parts in" Hudson Hydrau- results, the brake stop lights will continue to burn lic Brake Fluid" for lubrication.

  • Page 144: Wheel Cylinder-Front

    Residual line pressure keeps the lips of the cup s alcohol. tight against the cylinder bores and pistons. The 2. Dip the parts in "Hudson Hydraulic Brake Fluid" for outer ends of the pistons c o nt a c t the ends of the lubrication.
  • Page 145 BRAKES 140 NOTE: For complete disassembly, inspection and the backing plate, shoe ends and all frictional assembly, follow the procedure as outlined for points. servicing the front wheel cylinders. To install the wheel cylinder on the car, reverse the steps of removal. Tighten the screws attaching the wheel cylinder to the brake backing plate to 12 foot pounds torque.

  • Page 146: Bleeding Brake Lines

    See Page 140. 1. Fill "Master Cylinder Filler Bottle J-713" with To install the brake shoes follow the above genuine "Hudson Hydrau1ic Brake Fluid". removal steps in the reverse order. 2. Put nozzle in master cylinder reservoir. Open BRAKE FLUID filler bottle valve before starting.

  • Page 147: Adjustment-Brakes

    BRAKES 142 When the bleeding operation is complete, the After correct adjustment has been obtained, master cylinder must be refilled. tighten the push rod lock nut, lubricate the pedal linkage and recheck free play. Check the fluid in the master cylinder every 1,000 miles.

  • Page 148: Brakes

    143 BRAKES 6. Back the eccentric (B) off until the shoe is free to rotate the wheel without touching the drum. Tighten lock nut (A). 7. The same procedure applies to the other 3 wheels. FIGURE 7 TROUBLE SHOOTING BRAKE PEDAL GOES TO FLOORBOARD 1.

  • Page 149: Specifications

    WHEELS & TIRES 144 SECTION 16 WHEELS AND TIRES SPECIFICATIONS Type Super Cushion Tire Size 15 x 5.90 15 x 6.40 Wheel Sizes 15 x 4.00 15 x 4.50 Inflation Pressure Front 15 x 5.90 24 Rear 24 lbs. lbs. Rear 22 lbs.

  • Page 150: Wheels And Tires

    145 WHEELS AND TIRES and the front wheel bearings properly adjusted. equalizes the wear of 5 tires instead of 4. Never be too hasty in diagnosing uneven tire wear as improper front wheel alignment. TIRE INFLATION To obtain maximum tire life, ease of handling, riding comfort, and gasoline economy the tire air pressure should be checked once a week.

  • Page 151: Tightening Wheel Hub Bolts

    BRAKES 146 BRAKES Push valve stem into the tire. Insert two tire tools about eight inches apart between the bead and rim. Be careful not to pinch the tube. With one tool in Dragging brakes and particularly with out-of- position move the other tool around the rim re- round drums will cause spotty tire wear.

  • Page 152: Torque Specifications

    147 TORQUE SPECIFICATIONS TORQUE SPECIFICATION NAME SIZE FT. LBS. Axle (rear) Differential Case Cap Screw 7/16-14 40-45 Axle (rear) Wheel Bearing Adjusting Cap 3/8-24 30-35 Axle (rear) Drive Gear Bolt 7/16-20 50-60 Axle (rear) Differential Carrier Bearing Cap Screw 1/2-13 55-65 Axle (rear) Drive Shaft Nuts 3/4-20...
  • Page 153 DECIMAL EQUIVALENTS 148 DECIMAL EQUIVALENTS 64ths 32nds 16ths 8ths 64ths 32nds 16ths 8ths .015625 .51625 .3125 .53125 ,046875 .546875 .0625 .5625 .078125 .578125 .9375 .59375 .109375 .609375 .125 .625 .140625 .640625 .15625 .65625 .171875 .671875 .1875 .6875 .203125 .703125 .21875 .71875 .234375 .734375...
  • Page 154 REFERENCE Source of Date Subject Information...

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