Jeep cherokee 1989 Owner's Manual page 96

2C-2
View from above shows locations of crankcase breather
4.1
tube and hose (arrows)
Use a soft-face mallet t o break the cover loose
4.4
NOT pry between the cover and head
5.2 Go back and forth between the intake and exhaust
rocker arms, loosening each bolt 114-turn at a time
The Motor Manual Guy
2
Chapter Part C
-
DO
Pull off the wire loom clips
4.3
-
4 Rocker arm cover removal and installation
Refer to illustrations 4.1, 4.3 and 4.4
1 Pull the crankcase breather tube and hose off the rocker arm cover
(see illustration).
2 Remove the cruise control servo, if equipped.
3 Remove the wire loom clips (see illustration), noting the locations
of their studs for reinstallation.
4 Remove the rocker arm cover retaining bolts and lift the cover off.
If the cover is stuck, tap on gently with a soft-face mallet (see illus-
it
tration). Do not pry on the gasket flange. Note: These covers have
a reusable pre-cured RTV gasket that is attached to the cover.
5
Clean the sealing surfaces, removing any traces of oil with lacquer
thinner or acetone and a clean rag.
6 Small cracks in the pre-cured gasket are allowable and can be
repaired by applying RTV sealer to the cracked area before the cover
is installed.
7 Install the cover and bolts. Tighten the bolts to the specified torque.
8
Reinstall the crankcase breather hoses and cruise control servo,
if equipped.
9 Run the engine and check for oil leaks.
Rocker arms and pushrods
5
and installation
Refer to illustrations 5.2, 5.3 and 5.4
Removal
1 Remove the rocker arm cover (see Section 4).
2 Beginning at the front of the cylinder head, loosen and remove the
rocker arm mounting bolts in pairs (see illustration).
Rocker arm components
5.3
A Bolt
-
removal, inspection
-
exploded view
C Fulcrum
D Rocker arm