Chrysler RAM TRUCK 2500 1994 Service Manual page 822

Fig. 1 Cylinder Head Covers
J9409-58
Fig. 2 Cylinder Head Cover Gaskets
CLEANING
Clean cylinder head cover gasket surface.
Clean head rail, i f necessary.
INSPECTION
Inspect cover for distortion and straighten, i f nec­
essary.
Check the gasket for use i n head cover installation.
I f damaged, use a new gasket.
INSTALLATION
(1) The cylinder head cover gasket can be used
again. Install the gasket onto the head rail. Be sure
the word TOP is facing up.
CAUTION: T h e cylinder head cover fasteners have a
special plating. DO NOT u s e alternative fasteners.
(2) Position the cylinder head cover onto the gas­
ket. Install the stud bolts and hex head bolts i n the
proper positions (Fig. 1). Tighten the stud bolts and
the bolts to 16 N-m (144 in. lbs.) torque.
(3) I f 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.
ROCKER ARMS
REMOVAL
(1) Disconnect spark plug wires by pulling the boot
straight out i n 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 i n the same order as removed.
(4) Remove the push rods and place them on a
bench i n the same order as removed.
Fig. 3 Rocker Arm Assembly
INSTALLATION
CAUTION: DO NOT rotate or crank the engine dur­
ing or immediately after rocker arm installation. Al­
low the hydraulic roller tappets adequate time to
bleed down (about 5 minutes).
(1) Install the push rods i n the same order as re­
moved.
(2) Install rocker arm assemblies i n 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.
(4) Connect spark plug wires.