Rocker Arms And Shaft Assembly; Intake And Exhaust Rocker Arm Identification; Rocker Arm Location—Left Bank - Dodge D150 1990 Service Manual

Rear wheel drive ram truck
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(c) I n s t a l l bell housing bolts. T i g h t e n the b e l l
housing bolts to 41 N-m (30 ft. lbs.) torque.
(d) Remove the C clamp.
(e) I n s t a l l the inspection plate.
(f) Remove the transmission support.
(7) Position t h e exhaust pipe to t h e manifold.
T i g h t e n the nuts to 33 N-m (24 ft. lbs.) torque.
(8) Lower the vehicle.
(9) I n s t a l l t h e starter motor, alternator, charcoal
canister and horns.
(10) Remove t h e starter wires a n d o i l pressure
wire.
(11) I n s t a l l t h r o t t l e body, fuel lines and linkage.
(12) Connect the vacuum lines.
(13) I n s t a l l the distributor cap and w i r i n g .
(14) I n s t a l l the radiator (see Group 7, Cooling Sys-
tems). Connect the radiator hoses and heater hoses.
(15) I n s t a l l fan shroud i n position.
(16) F i l l the cooling system (see Group 7, Cooling
System for the proper procedures).
(17) I n s t a l l the battery.
(18) A t t a c h the air cleaner to the t h r o t t l e body.
(19)
Connect
t h e power
steering
hoses, i f so
equipped.
(20) I n s t a l l a i r conditioning equipment and charge
a i r conditioning. Refer to Group 24, H e a t i n g and A i r
Conditioning for proper service.
(21) W a r m engine and adjust.
(22) I n s t a l l hood and line up w i t h the scribe m a r k s .
(23) Road test vehicle.
ROCKER ARMS AND SHAFT ASSEMBLY
REMOVAL
(1) Disconnect spark p l u g wires b y p u l l i n g on t h e
boot s t r a i g h t out i n line w i t h plug.
(2) Disconnect closed v e n t i l a t i o n system and evap-
oration control system from cylinder head cover.
(3) Remove cylinder head cover and gasket.
(4) Remove four rocker shaft bolts and retainers.
(5) Remove rocker arms and shaft assembly.
(6) I f rocker a r m assemblies are disassembled for
cleaning or replacement, refer to F i g . 1 for rocker
a r m identification, and Fig. 2 for positioning on t h e
shaft.
(7) The exhaust rocker a r m must have r e l i e f for
clearance (Fig. 1).
INSTALLATION
(1) I n s t a l l rocker a r m and shaft assemblies
w i t h
N O T C H (Fig. 3) on end of rocker shaft p o i n t i n g to
centerline of engine and t o w a r d front (left bank) and
to the rear (right bank). Make sure t o i n s t a l l t h e
long stamped steel retainers i n the n u m b e r t w o and
four positions. Tighten t h e bolts to 23 N - m (200 i n .
lbs.) torque (Fig. 3).
RIGHT
RELIEVED FOR ROTATOR
CLEARANCE
INTAKE ROCKER ARM
EXHAUST ROCKER ARM
8909-71
Fig. 1 Intake and Exhaust Rocker Arm Identification
Fig. 2 Rocker Arm Location—Left Bank
CAUTION: THE ROCKER ARM SHAFT SHOULD BE
TORQUED DOWN SLOWLY, STARTING WITH THE
CENTERMOST BOLTS. ALLOW 20 MINUTES TAP-
PET BLEED DOWN TIME AFTER INSTALLATION OF
THE ROCKER SHAFTS BEFORE ENGINE OPERA-
TION.
(2) Clean cylinder head cover gasket surface. I n -
spect cover for distortion a n d straighten, i f necessary.
(3) Clean head r a i l , i f necessary. I n s t a l l cylinder
head cover and t i g h t e n to 9 N-m (80 i n . lbs.) torque.
(4) I n s t a l l closed crankcase v e n t i l a t i o n system and
evaporation control system.

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