Chrysler RAM TRUCK 2500 1994 Service Manual page 776

(6) Place both camshaft sprocket and crankshaft
sprocket on the bench with timing marks on exact
imaginary center line through both camshaft and
crankshaft bores.
(7) Place timing chain around both sprockets.
(8) Turn crankshaft and camshaft to line up with
keyway location i n crankshaft sprocket and i n cam­
shaft sprocket.
(9) Lift sprockets and chain (keep sprockets tight
against the chain i n position as described).
(10) Slide both sprockets evenly over their respec­
tive shafts and use a straightedge to check alignment
of timing marks (Fig. 5).
TIMING
MARKS
J9409-97
Fig. 5 Alignment of Timing Marks
(11) Install the camshaft bolt. Tighten the bolt to
68 N-m (50 ft. lbs.) torque.
(12) Check camshaft end play. The end play should
be 0.051-0.152 mm (0.002-0.006 inch) with a new
thrust plate and up to 0.254 mm (0.010 inch) with a
used thrust plate. I f not within these limits install a
new thrust plate.
C L E A N I N G
Be sure mating surfaces of chain case cover and
cylinder block are clean and free from burrs.
The water pump mounting surface must be
cleaned.
INSTALLATION
(1) Using a new cover gasket, carefully install
chain case 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) Place the smaller diameter of the oil seal over
Front Oil Seal Installation Tool 6635 (Fig. 6). Seat
the oil seal i n the groove of the tool.
(3) Position the seal and tool onto the crankshaft
(Fig. 7).
(4) Using the vibration damper bolt, tighten the
bolt to draw the seal into position on the crankshaft
(Fig. 8).
(5) Tighten chain case cover bolts to 41 N-m (30 ft.
lbs.) torque. Tighten oil pan bolts to 24 N-m (215 in.
lbs.) torque.
CRANKSHAFT.
FRONT OIL
SEAL
INSTALL THIS
END INTO
SPECIAL TOOL
6635
J9309-44
Fig. 6 Placing Oil Seal on Installation Tool 6635
SPECIAL TOOL
T I M I N G '
CHAIN
COVER
J9309-45*-
Fig. 7 Position Tool and Seal onto Crankshaft
(6) Remove the vibration damper bolt and seal in­
stallation tool.
(7) Install vibration damper.
(8) Install fuel lines (refer to Group 14, Fuel Sys­
tem).
(9) 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.
(10) Install power steering pump (refer to Group
19, Steering).
(11) Install the serpentine belt (refer to Group 7,
Cooling System).
(12) Install the cooling system fan. Tighten the
bolts to 23 N-m (17 ft. lbs.) torque.
(13) Position the fan shroud and install the bolts.
Tighten the bolts to 11 N-m (95 i n . lbs.) torque.