Chrysler RAM TRUCK 2500 1994 Service Manual page 844

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5.9L (DIESEL) ENGINE 9 - 123
5.9L ( D I E S E L ) E N G I N E S E R V I C E
PROCEDURES
INDEX
page
Camshaft 141
Crankshaft 153
Cylinder Block 143
Cylinder Head 128
Engine Assembly 125
Engine Front Mounts 123
Engine Rear Mount 124
Gear Housing / Cover 136
General Information 123
Oil Cooler Element / Gasket 164
Oil Filter 162
GENERAL INFORMATION
The 5.9 Liter (359 CID) six-cylinder diesel engine is
an In-line valve-in head type (Fig. 1).
Fig. 1 Diesel Engine Description
This engine is designed for No.2 Diesel Fuel. Only
use N o . l Diesel Fuel where extended arctic condi­
tions exist (below -23°C or -10°F).
Engine lubrication system consists of a gerotor type
oil pump and a full flow oil filter with a bypass valve.
The cylinders are numbered from front to rear; 1 to
6. The firing order is 1-5-3-6-2-4 (Fig. 2).
The engine data plate is located on the driver side
of the engine forward of the fuel injection pump.
page
Oil Filter Bypass Valve 163
Oil Pan / Suction Tube 161
Oil Pressure Regulator Valve / Spring 164
Oil Pump 161
Piston / Connecting Rod Assembly . 148
Rocker Levers / Push Rods 127
Specifications—5.9L Diesel Engines . . . . . . . . . . 165
Tappet 140
Timing Pin . . . 137
Valve Clearance Adjustment 135
Valves and Valve Springs 130
J9409-107
Fig. 2 Firing Order
ENGINE FRONT MOUNTS
REMOVAL
(1) Disconnect the negative cable from the battery.
(2) Position fan to assure clearance for radiator top
tank and hose.
(3) Install engine support/lifting fixture.
(4) Raise vehicle on hoist.
(5) Lift the engine SLIGHTLY and remove the
thru-bolt and nut (Fig. 3).
(6) Remove engine support bracket/cushion bolts
(Fig. 3). Remove the support bracket/cushion.
INSTALLATION
(1) With engine raised SLIGHTLY, position the en­
gine support bracket/cushion to the block. Install new
bolts and tighten to 81 N-m (60 ft. lbs.) torque.
(2) Install the thru-bolt into the engine support
bracket/cushion.
(3) Lower engine with support/lifting fixture while
guiding the engine bracket/cushion and thru-bolt into
support cushion brackets (Fig. 4).
Engine Type In-line 6 (Diesel-Turbo)
Bore and Stroke. 102.0 x 120.0 mm (4.02 x 4.72 in.)
Displacement... 5.9L (359 cu. in.)
Compression Ratio
...17.5:1
Torque (Automatic) 542 N®m (400 ft. lbs.) @ 1600 rpm
(Manual) 569 N-m (420 ft. lbs.) @ 1600 rpm
Firing Order 1-5-3-6-2-4
Lubrication Pressure Feed - Full Flow
Filtration w/Bypass Valve
Engine Oil Capacity 9.5L (10.0 Qts) w/Filter
Cooling System Liquid Cooled - Forced Circulation
Cooling Capacity 23L (24 Qts)
Cylinder Block Cast Iron
Crankshaft Induction Hardened Forged Steel
Cylinder Head Cast Iron
Combustion Chambers High Swirl Bowl
Camshaft Chilled Ductile Iron
Pistons Cast Aluminum
Connecting Rods Forged Steel
J9409-12