Dodge ram truck 3500 1996 Service Manual page 1062

9 - 72 5.2L ENGINE
BR
REMOVAL AND INSTALLATION (Continued)
Fig.. 27 Alignment of Timing Marks
(7) 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.
CAMSHAFT
NOTE: The camshaft has an integral oil pump and
distributor drive gear (Fig. 28).
J 9 3 0 9 - 7 1
Fig. 28 Camshaft and Sprocket Assembly
MEMOWML
(1) Remove intake manifold.
(2) Remove cylinder head covers.
(3) Remove timing case cover and timing chain.
(4) Remove rocker arms.
(5) Remove push rods and tappets. Identify each
part so i t can be installed i n its original location.
(6) Remove distributor and lift out the oil pump
and distributor drive shaft.
(7) Remove camshaft thrust plate, note location of
oil tab (Fig. 29).
(8) Install a long bolt into front of camshaft to
facilitate removal of the camshaft. Remove camshaft,
being careful not to damage cam bearings with the
cam lobes.
INSTALLATION
(1) Lubricate camshaft lobes and camshaft bearing
journals and insert the camshaft to within 51 mm (2
inches) of its final position i n cylinder block.
Fig. 29 Timing Chain Oil Tab Installation
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
805 km (500 miles). Drain at the next normal oil
change.
(2) Install Camshaft Gear Installer Tool C-3509
with tongue back of distributor drive gear (Fig. 30).
Fig. 30 Camshaft Holding Tool C-3509 (Installed
Position)
(3) Hold tool in position with a distributor lock-
plate bolt. This tool will restrict camshaft from being
pushed in too far and prevent knocking out the welch
plug i n rear of cylinder block. Tool should remain
installed until the camshaft and crankshaft
sprockets and timing chain have been installed.
(4) Install camshaft thrust plate and chain oil tab.
Make sure tang enters lower right hole in
thrust plate. Tighten bolts to 24 N-m (210 in. lbs.)