Chrysler RAM TRUCK 2500 1994 Service Manual page 831

g - 110 8JL ENGINE
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TIMING
MARKS
CAMSHAFT
SPROCKET
CRANKSHAFT
SPROCKET
J9409-69
Fig. 5 Alignment of Timing Marks
INSTALLATION
(1) Using a new cover gasket, carefully install tim­
ing chain cover to avoid damaging oil pan gasket.
Use a small amount of Mopar Silicone Rubber Adhe­
sive Sealant, or equivalent, at the joint between tim­
ing chain cover gasket and the oil pan gasket. Finger
tighten the timing chain cover bolts at this time.
(2) Tighten timing chain cover bolts to 47 N-m (35
ft. lbs.) torque. Tighten oil pan bolts to 24 N-m (215
in. lbs.) torque.
(3) Position the crankshaft front oil seal onto seal
installer special tool 6806. Use the vibration damper
bolt to draw seal into timing chain cover.
(4) Install vibration damper.
(5) Install fuel lines (refer to Group 14, Fuel Sys­
tem).
(6) Install water pump and housing assembly us­
ing new gaskets (refer to Group 7, Cooling System).
Tighten bolts to 41 N-m (30 ft. lbs.) torque.
(7) Install power steering pump (refer to Group 19,
Steering).
(8) Install the serpentine belt (refer to Group 7,
Cooling System).
(9) Install the cooling system fan. Tighten the bolts
to 23 N-m (17 ft. lbs.) torque.
(10) Position the fan shroud and install the bolts.
Tighten the bolts to 11 N-m (95 in. lbs.) torque.
(11) Fill cooling system (refer to Group 7, Cooling
System for the proper procedure).
(12) Connect the negative cable to the battery.
(13) Road test vehicle and check for leaks.
C A M S H A F T
This procedure requires that the engine is removed
from the vehicle.
REMOVAL
(1) Remove cylinder head covers.
(2) Remove rocker arm assemblies.
(3) Remove push rods and tappets. Identify each
part so i t can be installed i n its original location.
(4) Remove intake manifold.
(5) Remove timing chain cover and timing chain.
(6) Remove camshaft thrust plate (Fig. 6).
C A M SHAFT
-THRUST PLATE
J9409-70
Fig. 6 Camshaft
(7) Install a long bolt into front of camshaft to fa­
cilitate removal of the camshaft. Remove camshaft,
being careful not to damage cam bearings with the
cam lobes.
REMOVAL—BEARING
(1) With engine completely disassembled, drive out
rear cam bearing core hole plug.
(2) Install proper size adapters and horseshoe
washers (part of Camshaft Bearing Remover/Installer
Tool C-3132-A) at back of each bearing shell. Drive
out bearing shells (Fig. 7).
09209-93
Fig. 7 Camshaft Bearings Removal and Installation
with Tool C-3132-A
INSTALLATION—BEARING
(1) Install new camshaft bearings with Camshaft
Bearing Remover/Installer Tool C-3132-A by sliding
the new camshaft bearing shell over proper adapter.
(2) Position rear bearing i n the tool. Install horse­
shoe lock and by reversing removal procedure, care­
fully drive bearing shell into place.
(3) Install remaining bearings i n the same manner.
Bearings must be carefully aligned to bring oil holes
into full register with oil passages from the main
bearing. I f the camshaft bearing shell oil holes are
not i n exact alignment, remove and install them cor­
rectly. Install a new core hole plug at the rear of
camshaft. Be sure this plug does not leak.