Dodge D150 1990 Service Manual page 638

• 5.2L/5.9L ENGINE 9 - 51
(5) T i g h t e n c h a i n case cover bolts t o 4 1 N n n (30 f t .
lbs.) torque first, t h e n t i g h t e n o i l pan bolts to 23 N n n
(200 i n . lbs.) torque.
(6) I n s t a l l v i b r a t i o n damper retainer bolt w i t h
washer and t i g h t e n t o 183 N - m (135 ft. lbs.) torque.
(7) Position p u l l e y on v i b r a t i o n damper and attach
w i t h bolts a n d lockwashers. T i g h t e n to 23 N-m (200
i n . lbs.) torque.
(8) I n s t a l l fuel lines.
(9) I n s t a l l w a t e r p u m p and housing assembly using
new gaskets. T i g h t e n bolts to 4 1 N - m (30 f t . lbs.)
torque.
(10) I n s t a l l power steering pump.
(11) I n s t a l l f a n a n d belt, hoses and close drains.
(12) I n s t a l l r a d i a t o r shroud.
(13) F i l l cooling system.
CAMSHAFT (ENGINE REMOVED FROM VEHICLE)
The camshaft has a n i n t e g r a l o i l pump and distrib-
u t o r drive gear, as shown i n (Fig. 8). Remove i n t a k e
manifold, cylinder head covers, t i m i n g case cover and
t i m i n g chain.
CUP WASHER
OIL PUMP AND
DISTRIBUTOR DRIVE
GEAR INTEGRAL
WITH CAMSHAFT
CAMSHAFT SPROCKET
8909-78
Fig. 8 Camshaft and Sprocket Assembly
REMOVAL
(1) Remove rocker a r m a n d shaft assemblies.
(2) Remove push rods a n d tappets; identify so each
p a r t w i l l be replaced i n i t s o r i g i n a l location.
(3) Remove d i s t r i b u t o r a n d l i f t out t h e o i l pump
and d i s t r i b u t o r drive shaft.
(4) Remove camshaft t h r u s t plate, note location of
o i l tab.
(5) I n s t a l l a long bolt i n t o f r o n t of camshaft to fa-
cilitate removal o f t h e camshaft; remove camshaft,
being careful not t o damage cam bearings w i t h t h e
cam lobes.
(6) To reduce i n t e r n a l leakage and help m a i n t a i n
higher o i l pressure a t idle, cup plugs have been
pressed i n t o o i l galleries b e h i n d the camshaft t h r u s t
plate (Fig. 9).
INSTALLATION
(1) Lubricate camshaft lobes and camshaft bearing
j o u r n a l s and insert t h e camshaft to w i t h i n 2 inches
of i t s final position i n cylinder block.
(2) I n s t a l l Tool C-3509 w i t h tongue back of distrib-
u t o r drive gear (Fig. 10).
RH157
Fig. 9 Location of Cup Plugs in Oil Galleries
RH159\
Fig. 10 Camshaft Holding Tool C-3509 in Installed
Position
(3) H o l d tool i n position w i t h d i s t r i b u t o r lock plate
bolt. This tool w i l l restrict camshaft f r o m being
pushed i n too far a n d prevent k n o c k i n g out t h e welch
p l u g i n rear o f cylinder block. Tool should r e m a i n i n -
stalled u n t i l t h e camshaft and crankshaft sprockets
and t i m i n g chain have been installed.
(4) I n s t a l l camshaft t h r u s t plate and c h a i n o i l tab,
w i t h three bolts as shown i n (Fig. 11). M a k e sure
t a n g enters lower r i g h t hole i n t h r u s t plate. T i g h t e n
to 24 N - m (210 i n . lbs.) torque. Top edge o f t a b
should be flat against t h r u s t plate i n order t o catch
o i l for chain l u b r i c a t i o n .
(5) Place b o t h camshaft sprocket a n d crankshaft
sprocket on t h e bench w i t h t i m i n g m a r k s o n exact
i m a g i n a r y center line t h r o u g h both camshaft a n d
crankshaft bores.
(6) Place t i m i n g chain around both sprockets.
(7) T u r n crankshaft and camshaft to l i n e u p w i t h
keyway location i n crankshaft sprocket and i n cam-
shaft sprocket.