Dodge ram truck 3500 1996 Service Manual page 1135

B R 8.0L ENGINE I - 145
R E M O V A L AND INSTALLATION (Continued)
J9409-137
Fig. 38 Oii Seal, Tools—6806 and 6761
SPECIAL
TOOL
SPECIAL
TOOL
6 7 6 l
J9409-143
Fig. 39 Oil Seal installed .
(4) The 4 corner tappets can not be removed with­
out removing the cylinder heads and gaskets. They
can be lifted and retained for camshaft removal.
(5) Remove upper and lower intake manifold (refer
to Group 11 Intake and Exhaust Systems).
(6) Remove timing chain cover and timing chain.
(7) Remove camshaft thrust plate (Fig. 41).
(8) Install a long bolt into front of camshaft to
facilitate removal of the camshaft. Remove camshaft,
J 9 3 0 9 - 7 1
Fig, 40 Camshaft and Sprocket Assembly
.Fig. 41 Camshaft
being careful not to damage cam bearings with the
cam lobes.
INSTALLATION
(1) Lubricate camshaft lobes and camshaft bearing
journals. Using a long bolt, Insert the camshaft into
the cylinder block.
NOTE; Whenever an engine has been rebuilt, a new
camshaft and/or new tappets installed, add 1 pint of
Mopar® Crankcase Conditioner, or equivalent. The
oil mixture should be left in engine for a minimum
of 8 0 5 km (500 miles). Drain at the next normal oil
change.
(2) Install camshaft thrust plate. Tighten the torx
bolts to 22 N-m (16 ft. lbs.) torque.
(3) 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.
(4) Line up key with keyway in sprocket, press on
crankshaft timing sprocket, use tools C-3688, C-3718
and MB990799, to seat sprocket against crankshaft
shoulder (Fig. 42).
(5) Align timing mark on crankshaft sprocket with
center line of crankshaft and camshaft.
(6) Put chain on camshaft sprocket.
(7) Take chain and camshaft sprocket and align
mark with centerline of crankshaft and camshaft
install camshaft sprocket and chain to camshaft.