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JR
CYLINDER HEAD COVER
REMOVAL
(1) Remove ignition coil and plug wires (Fig. 24).
Remove ground strap.
(2) Remove the cylinder head cover fasteners.
(3) Remove cylinder head cover from cylinder
head.
Fig. 24 Ignition Coil and Ground Strap
1 - IGNITION COIL FASTENERS
2 - GROUND STRAP
CLEANING
Clean cylinder head and cover mating surfaces
using a suitable solvent.
INSPECTION
Inspect cover rails for flatness.
INSTALLATION
NOTE: Replace spark plug well seals when install-
ing a new cylinder head cover gasket.
(1)
Install new cylinder head cover gaskets and
spark plug seals (Fig. 25).
CAUTION: Do not allow oil or solvents to contact
the timing belt as they can deteriorate the rubber
and cause tooth skipping.
(2)
Apply Mopar
camshaft cap corners and at the top edge of the 1/2
round seal.
(3)
Install cylinder head cover assembly to head
and tighten fasteners in sequence shown in (Fig. 26).
Using the 3 step torque method:
(a) Tighten all fasteners to 4.5 N·m (40 in. lbs.)
(b) Tighten all fasteners to 9.0 N·m (80 in. lbs.)
(c) Tighten all fasteners to 12 N·m (105 in. lbs.)
Engine RTV GEN II at the
Fig. 25 Cylinder Head Cover Gasket and Spark Plug
1 - ONE PIECE RUBBER GASKET
2 - SPARK PLUG WELL SEALS
Fig. 26 Cylinder Head Cover Tightening Sequence
(4) Install ignition coil and plug wires. Tighten fas-
teners to 12 N·m (105 in. lbs.).
(5) Install ground strap.
HYDRAULIC LASH
ADJUSTERS
DIAGNOSIS AND TESTING
HYDRAULIC LASH ADJUSTER NOISE
DIAGNOSIS
A tappet-like noise may be produced from several
items. Check the following items.
(1) Engine oil level too high or too low. This may
cause aerated oil to enter the adjusters and cause
them to be spongy.
(2) Insufficient running time after rebuilding cylin-
der head. Low speed running up to 1 hour may be
required.
(3) During this time, turn engine off and let set for
a few minutes before restarting. Repeat this several
ENGINE 2.4L DOHC
Seals
9 - 99
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