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Hudson 1957 Technical Service Manual Supplement
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Hudson 1957 Technical Service Manual Supplement

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  • Page 3 F O R E W O R D The following product information will provide Hudson Service Information for the "Hornet" V-8 Series when used in conjunction with the 1955 and 1956 Technical Service Manuals and the 1956 "Hornet" Special V-8 Supplement.
  • Page 5 ENGINE (V-8) For service procedures and general description of the The engines are similar in design varying only V-8 engine, refer to the 1956 Special V-8 Technical . dimensionally effecting increase in horsepower Service Manual Supplement. ENGINE SPECIFICATIONS Type 90° V-8 O.H.V. Bore 4"...
  • Page 6 E N G I N E ( V - 8 ) Exhaust Valve Stem to Guide Clearance .0018"-.0033" Exhaust Guide I.D. .3430”-.3440" Valve Timing Intake Opens 12° 30' B.T.D.C. 244° Closes 51° 30' A.B.D.C. Duration PISTONS AND RINGS Piston to Bore Clearance Top Land .028"-.032"...
  • Page 7 E N G I N E ( V - 8 ) OIL SYSTEM Oil Pump Type Gear Normal Oil Pressure 10 Lbs. Min. Vii; 600 R.P.M. Oil Pressure Release 55-60 Lbs. Engine Oil Refill Capacity 5 Qts. TUNE-UP DATA Compression Pressure Cranking Speed (Throttle Wide Open) 140 P.S.I.
  • Page 8 ELECTRICAL DISTRIBUTOR (DELCO-REMY) Under part throttle operation, the intake manifold vacuum is sufficient to actuate the vacuum control diaphragm and cause Model 1110887 the movable plate to move, thus advancing the spark and (External Adjustment Type) increasing fuel economy. During acceleration or when the engine is pulling heavy, the vacuum is not sufficient to actu- The external adjustment type distributor illustrated in Figure ate the diaphragm and the movable plate is held in the re-...
  • Page 9 E L E C T R I C A L Preferred Method: Insulation Resistance (or Leakage, Series Resistance, Break- down Test, and Capacity (mfd.). Turn the adjusting screw until the specified dwell is obtained as measured by a dwell meter. (See specifications.) Replacing Distributor Contact Set Alternate Method: The contact point set is replaced as one complete assembly...
  • Page 10 E L E C T R I C A L Turn the adjusting screw to set the dwell angle to the proper setting of degrees (Fig. 2). (See Test Specifications.) Screw Adjustment Method Distributor Mounted in a Vise Connect a testing lamp to the primary lead. Rotate the shaft until one of the circuit breaker cam lobes is under the center of the rubbing block of the breaker lever.
  • Page 11 E L E C T R I C A L VOLTAGE AND CURRENT REGULATION With Without Air Conditioning Air Conditioning Make Delco-Remy Delco-Remy Model 1119168 1119003 Cutout Relay Closing Voltage 11.8-13.5 11.8-13.5 Air Gap .020" .020" Point Gap .020" .020" Voltage Regulator Volts 13.8-14.8 13.8-14.8...
  • Page 12 E L E C T R I C A L DISTRIBUTOR SPECIFICATIONS Make Delco-Remy Model 1110887 Rotation L.H. CCW. Point Opening .016" Cam Angle 28°-32° (Set to 30° ) Breaker Lever Tension 19-23 Ozs. Condenser Capacity .18-.23 Mfd. Centrifugal Advance (Engine Degrees and R.P.M.) Start 0-4°...
  • Page 13 E L E C T R I C A L BULB CHART Trade Number American Motors Candle Power Part Number Location 127934 Glove Box and 2 C.P. Hood Ornament Emblem 127934 Instrument Illumination 2 C.P. Clock Head Lamp Beam Indicator Directional Signal Indicator Generator Charge Indicator Oil Pressure Signal...
  • Page 14 FUEL CARBURETION ——— CARTER MODEL WCFB-2593-S FOUR-BAR- Fuel enters the idle wells through the metering rod jets on the primary side of the carburetor. No idle system is REL CARBURETOR used in the secondary side of the carburetor. The low speed jets measure the amount of fuel for idle The Carter Model WCFB carburetor is basically two (2) and early part throttle operation.
  • Page 15 F U E L C A R B U R E T I O N — supplied through the high speed circuits. Main discharge Secondary Side nozzles are permanently installed and must not be re- moved in service. Fuel for the high speed circuit of the secondary side is metered at the main metering jets (no metering rods used).
  • Page 16 F U E L C A R B U R E T I O N — The accelerating pump circuit provides the measured tends to pull the choke valve open. The choke valve amount of fuel necessary to insure smooth engine opera- assumes a position where tension of the thermostatic coil tion during acceleration at speeds below approximately 30 is balanced by the pull of vacuum on the piston and air...
  • Page 17 F U E L C A R B U R E T I O N — choke, providing a richer mixture. The float needles and seats must not be interchanged, During the warm-up period, it is necessary to provide a therefore, group the needles and seats with their respective fast idle speed to prevent engine stalling.
  • Page 18 F U E L C A R B U R E T I O N — Install auxiliary throttle shaft and auxiliary throttle valves. Using a new gasket, assemble the throttle flange on the carburetor body. Assemble while holding auxiliary throttle valves closed.
  • Page 19 F U E L C A R B U R E T I O N — NOTE: Intake needles and seats are carefully matched during manufacture. Do not use the pri- mary needle in the secondary seat or vice versa. To avoid unnecessary bending, both floats should be reinstalled in their original positions and then adjusted.
  • Page 20 F U E L C A R B U R E T I O N — ADJUSTMENTS Float Adjustment Float adjustment is performed during assembly. "Refer to Assembling Air Horn." Pump Adjustment Back out idle speed screw, hold choke in wide open position, then close throttle valves tight in bores of carbu- retor.
  • Page 21 F U E L C A R B U R E T I O N — FIGURE 19—Fast Idle Cam Clearance Adjustment Hold choke valve tightly closed. Adjust fast idle screw on primary throttle shaft arm to obtain .023" (T-109-189) opening between the edge of the throttle valve and the bore of the carburetor (side opposite idle port).
  • Page 22 F U E L C A R B U R E T I O N — There should be .008" to .013" clearance (Gauge T-109- 200) between the primary and secondary throttle positive closing shoes with throttle valves closed. Adjust by bend- ing primary shoe (Figs.
  • Page 23 F U E L C A R B U R E T I O N — IDLE PORT: (Upper) slot type. Primary, length .185"; width .030". Secondary, none. IDLE PORT OPENING: Primary, .130" to .136" above top edge of valve with valve tightly closed. Secondary, none.
  • Page 24 CLUTCH A 10-1/2” clutch plate assembly is used with standard or overdrive transmissions. Refer to the 1955 Techncial Service Manual for service procedures. CLUTCH SPRING SPECIFICATIONS Stamdard Compressed Identification Location Number of Pressure Length Springs (12) 148 ± 5 Lbs. 1-23/32"...

  • Page 25: Table Of Contents

    TRANSMISSION—OVERDRIVE \TABLE OF CONTENTS SUBJECT PAGE SUBJECT PAGE Operation of Overdrive Inspecting Overdrive Parts Electrical Circuits Inspecting Transmission Parts Diagnosing Overdrive Troubles Reassembly Transmission Removal Lubrication Disassembly Figure 1—Standard Transmission The standard transmission is supplied with or without and oil seal adapter for attachment to the torque tube. The transmis- the overdrive unit as optional equipment).

  • Page 26: Operation Of Overdrive

    TRANSMISSION OVERDRIVE — Due to the similarity between the two units, service procedures will only be outlined on overdrive equipped units. OPERATION OF OVERDRIVE The overdrive unit, when in operation above the governor cut-in speed, automatically reduces the engine to rear axle ratio approximately 30%.

  • Page 27: Diagnosing Overdrive Troubles

    TRANSMISSION OVERDRIVE — in the kickdown circuit through the release of the spring should always check the control system before disassem- lever on the outer end of the solenoid. The circuits are now bling the overdrive. in normal condition for continuing the overdrive operation. If the trouble is not found after a thorough inspection of In order to understand the overdrive control system, the the control system, then the transmission and overdrive...

  • Page 28: Transmission Removal

    TRANSMISSION OVERDRIVE — Ground the terminal on the governor. The solenoid should TRANSMISSION AND OVERDRIVE DISAS- operate. SEMBLY Governor Operation Inspection: Suspend the axle and operate the engine at low speed in high gear. Apply a test Secure the transmission assembly into a stand and com- lamp across the governor contact from the live terminal to pletely drain its lubricant.
  • Page 29 TRANSMISSION OVERDRIVE — Remove the four cap screws that hold the overdrive case to the transmission case. Separate the overdrive case from the transmission case at the rear of the overdrive bearing adapter housing (Fig. 7). FIGURE 7—Removing Overdrive Case As the overdrive case is being removed, keep tapping the end of the overdrive main shaft with a plastic hammer.
  • Page 30 TRANSMISSION OVERDRIVE — NOTE: On a standard transmission, the speedom- eter drive gear is retained in position by two lock Removing the Cam and Pinion Cage rings in addition to the Woodruff Key. To remove the cam from the transmission main shaft, The Woodruff Key is a pressed fit into the main shaft.
  • Page 31 TRANSMISSION OVERDRIVE — Removing the Lockout Spring and Control Lever If necessary, the control lever and shaft assembly may be removed from the overdrive case. Discard the oil seal; a new one will be used on reassembly. Remove the retract- ing spring from the overdrive case.
  • Page 32 TRANSMISSION OVERDRIVE — FIGURE 17—Measuring Balk Ring Tension with Spring Scale-3-1/2# to 5-1/2# Pull FIGURE 19—When You Twist the Cam Roller Retainer Counter-clockwise, the Two Springs Should Snap it Back Quickly Interlock Sleeve End Clearance Place one shift shaft in gear and with the other in the neu- tral position measure the clearance between the interlock sleeve and cam of the shift shaft at the in-gear side (Fig.
  • Page 33 TRANSMISSION OVERDRIVE — involves removal of the shift levers and forks and tapping Grasp the main shaft and its components and separate out the shift shafts from the cover. Care should be taken to the main shaft from the clutch shaft (Fig. 23). When prevent, loss of interlock sleeve, balls, spring or pin (Fig.
  • Page 34 TRANSMISSION OVERDRIVE — Where the ball bearing in the adapter requires replace- ment, remove the large snap ring in the bearing adapter. Tap out the main shaft and bearing from the adapter. Remove the oil baffle from the adapter. Then remove the main shaft snap ring and press the bearing from the main shaft.
  • Page 35 TRANSMISSION OVERDRIVE — REASSEMBLY the transmission case, therefore, care must be taken to prevent damage to the shaft. Install and align the Woodruff Key prior to driving the shaft flush to the rear face of the When reassembling the transmission, always use new case.
  • Page 36 TRANSMISSION OVERDRIVE — Install the first and reverse sliding gear on the main shaft with the shifting collar to the front. Install the second speed gear on the main shaft with the tapered cone to the front. If the synchro-clutch was disassembled, check for proper assembly.
  • Page 37 TRANSMISSION OVERDRIVE — Install the free wheeling cam snap ring on the main NOTE: On a standard transmission, the speed- shaft. This snap ring is serviced in three different sizes ometer drive gear is retained in position by two .063", .068", and .073". Select the thickest ring which will lock rings in addition to the Woodruff Key.
  • Page 38 TRANSMISSION OVERDRIVE — This snap ring is serviced in six different sizes .087", .090", .093", .096", .099", and .102". Select the thickest ring which will fit into the retaining groove. Proper selec- tion of the snap ring will reduce end play to a minimum. Install a new oil seal in the torque tube adapter ( Fig.
  • Page 39 SHIFTING STANDARD AND OVERDRIVE Remove clevis pin from the gear shift control rod at side TRANSMISSION of transmission case and remove clevis from shift lever. Refer to the 1955 Technical Service Manual for service Place the transmission outer shift lever in the D-3 range procedures.

  • Page 40: Pinion Depth Adjustment

    REAR AXLE-PROPELLER SHAFT PINION DEPTH ADJUSTMENT ment is used to adjust pinion depth. The distance of the rear axle center line to the rear The pinion depth adjustment procedure as outlined in machined face of the pinion gear is 2.547". This measure- the Rear Axle and Propeller Shaft Section of the 1956 ment is to be used to check for the correct pinion depth.
  • Page 41 FRONT SUSPENSION— STEERING FRONT SPRING REMOVAL transmission equipped cars have the steering gear stops located on the lower control arms (Fig. 2) . The front spring seats, upper and lower, have been designed with an ear to accept a hook tool for removal. The tool kit is available for use in service through the Field Parts Ware- house.
  • Page 42 FRONT SUSPENSION STEERING — Revision to Tool J-1374 or J-5566 Figure 3— FRONT WHEEL ALIGNMENT SPECIFICATIONS Turning Angle Inside Wheel Outside Wheel 25° 20-1/4° L/PS 21-3/4° W/PS Kingpin Angle 61/2° Caster Angle Without 0° to 1/2° Power Steering 1/2° Desired Caster Angle With Power 1/2°...
  • Page 43 FRONT SUSPENSION STEERING — FRONT SPRING SPECIFICATIONS Rate Lbs. Per Inch After Free Height Loaded Height Loaded Weight With Air Conditioning 21-5/6" 9-5/8" at 1125# ± 25# 96# ± 2# Without Air Conditioning 9-5/8" at 1050# Left Side 20-9/16" ± 25# 96# ±...
  • Page 44 BODY...
  • Page 45 #87 Berkshire Green * 82 Pacific Blue Dark Medium * Same as 1956 # 84 Glacier Blue Light #88 Oregon Green Dark # New Color Added for 1957 Interior Colors Instrument Panel and Finish Mouldings Satin Black Green Metallic Blue Metallic...