Chrysler RAM TRUCK 2500 1994 Service Manual page 857

9 - 136 5.9L (DIESEL) ENGINE •
inch) for the intake valve. The valve lash adjustment
is 0.508 mm (0.020 inch) for the exhaust valve.
Tighten the bolts to 24 N-m (18 ft. lbs.) torque.
I = INTAKE E = EXHAUST
E l I E I E
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J9109-35 FRONT O
Fig. 20 Adjust Valve Clearance—Step 2
GEAR HOUSING / C0¥ER
G E A R HOUSING
REMOVAL
(1) Remove the engine assembly from the vehicle.
(2) Remove the front end components and the gear
housing cover (refer to Gear Housing Cover Removal
for the proper procedures).
(3) Remove the following:
• Camshaft
• Gear driven accessories
• Fuel injection pump (refer to Group 14, Fuel Sys­
tem)
• Fan hub assembly (refer to Group 7, Cooling Sys­
tem)
(4) Remove the gear housing and gasket (Fig. 1).
(5) Clean the gasket material from the cylinder
block.
Fig. 1 Gear Housing/Gasket
INSTALLATION
(1) Install a new gasket and the gear housing.
Tighten the bolts to 24 N-m (18 ft. lbs.) torque.
(2) Install the camshaft. Make sure the alignment
marks on the camshaft and crankshaft gears are
aligned (Fig. 2).
Fig. 2 Camshaft/Crankshaft Gear Alignment
(3) I f a new housing is installed, the timing pin as­
sembly must be accurately located.
(4) Install the following:
• Fan hub assembly (refer to Group 7, Cooling Sys­
tem)
• Fuel injection pump (refer to Group 14, Fuel Sys­
tem)
• Gear driven accessories
(5) Install the gear housing cover (refer to Gear
Housing Cover Installation for the proper proce­
dures).
(6) Install the front end components.
(7) Install the engine assembly into the vehicle.
G E A R HOUSING COVER
REMOVAL
(1) Remove fan drive assembly.
(2) Remove the fan belt (Fig. 3).
(3) Remove belt tensioner (Fig. 3).
(4) Remove oil fill tube and adaptor (Fig. 4).
(5) Remove vibration damper.
(6) Remove the bolts that hold the gear cover to
the gear housing.
(7) Gently pry the cover away from the housing,
taking care not to mar the gasket surfaces (Fig. 5).
(8) Clean the old gasket residue from the back of
the gear cover and front of the gear housing.
INSTALLATION
(1) Lubricate the front gear train with clean en­
gine oil.