Dodge RAM TRUCK 1500 1995 Service Manual page 959

I -118 8 J L ENGINE
B R
(8) Remove the upper intake manifold to remove
the right side head cover (refer to Group 11, Exhaust
System and Intake Manifold).
(4) Remove cylinder head cover bolts and stud
bolts. Remove the covers and gaskets. The gasket
may be used again.
CLEANING
Clean cylinder head cover gasket surface.
Clean head rail, if necessary.
INSPECTION
This gasket may be used again.
Check the gasket for use in head cover installation.
If damaged, use a new gasket.
INSTALLATION
(1) The cylinder head cover gasket can be used
again. Install the gasket onto the head rail. For the
left side t h e number t a b is at the front of en­
gine with t h e number up. For the right side t h e
number tab is at the rear of engine with the
number up.
CAUTION: The cylinder head cover fasteners have a
special plating. DO NOT use alternative fasteners.
(2) Position the cylinder head cover onto the gas­
ket. Install the stud bolts and hex head bolts in the
proper positions (Fig. 1). Tighten the stud bolts and
the bolts to 16 N-m (144 in. lbs.) torque.
(3) If removed, install the upper intake manifold
(refer to Group 11, Exhaust System and Intake Man­
ifold).
(4) Install closed crankcase ventilation system and
evaporation control system onto the proper head
cover. DO NOT switch the systems.
(5) Connect the negative cable to the battery.
VALVE COMPONENTS REPLACE—CYLINDER HEAD
NOT REMOVED
ROCIER ARMS AND POSH RODS
REMOVAL
(1) Disconnect spark plug wires by pulling the boot
straight out in line with plug.
(2) Remove cylinder head cover and gasket.
(3) Remove the rocker arm bolts and the rocker
arm assembly (Fig. 3). Place rocker arm assemblies
on a bench in the same order as removed.
(4) Remove the push rods and place them on a
bench in the same order as removed.
INSTALLATION
CAUTION: DO NOT rotate o r crank the engine dur­
ing or immediately after rocker arm installation. Al-
ROCKER
. ARM
PEDESTALS
J9409-60
Fig. 3 Rocker Arm Assembly
ow the hydraulic roller tappets adequate time to
oleed down (about 5 minutes).
(1) Install the push rods in the same order as re­
moved.
(2) Install rocker arm assemblies in the same order
as removed. Tighten the rocker arm bolts to 28 N-m
(21 ft. lbs.) torque.
(3) Install cylinder head cover and gasket. DO
NOT use alternative fasteners.
(4) Connect spark plug wires.
VALVE STEM SEAL AND SPRING REPLACEMENT
This procedure is done with the cylinder head in­
stalled.
(1) Disconnect the negative cable from the battery.
(2) Set engine basic timing to Top Dead Center
(TDC) and remove air cleaner.
(3) Remove cylinder head covers and spark plugs.
(4) Using suitable socket and flex handle at crank­
shaft retaining bolt, turn engine so the No.l piston is
at TDC on the compression stroke.
(5) Remove rocker arms.
(6) With air hose attached to an adapter installed
in No.l spark plug hole, apply 620-689 kPa (90-100
psi) air pressure.
(7) Using Valve Spring Compressor Tool
MD-998772A with adapter 6716A, compress valve
spring and remove retainer valve locks and valve
spring.
(8) Install seals on the exhaust valve stem and po­
sition down against valve guides. The exhaust valve
stem seal is brown.
(9) The black intake valve stem seals should be
pushed firmly and squarely over the valve guide us­
ing the valve stem as a guide. DO NOT force seal
against top of guide. When installing the valve re­
tainer locks, compress the spring only enough to in­
stall the locks.