Chrysler neon 1997 Service Manual page 475

9 - 62 2.0L DOHC ENGINE
REMOVAL AND INSTALLATION (Continued)
INSTALLATION
NOTE: Check camshaft for binding in cylinder
head. Inspect camshaft bearing journals for dam-
age. If camshafts are binding, also check the cylin-
der head bearing surface for damage, and check
the camshaft bearing oil feed holes in the cylinder
head for clogging.
Check the cam surface for abnormal wear and
damage, replace if defective. A visible worn groove
in the roller follower or on the cam lobes is cause
for replacement.
CAUTION: Ensure that NONE of the pistons are at
top dead center when installing the camshafts.
(1) Lubricate bearing journals and cam followers
with clean oil and install the camshafts. Install right
and left camshaft bearing caps #2 thru #5 and right
#6. Tighten M6 fasteners to 12 N·m (105 in. lbs.) in
sequence shown in (Fig. 25).
Fig. 25 Camshaft Bearing Cap—Tightening
Sequence
(2) Apply Mopar Gasket Maker to No. 1 and No. 6
bearing caps (Fig. 26). Install bearing caps and
tighten M8 fasteners to 24 N·m (215 in. lbs.).
(3) Bearing cap number 1, must be installed before
the camshaft seals can be installed.
(4) Install timing belt, sprockets and covers. Refer
to timing belt service outlined in this section.
(5) Install valve cover using procedure outlined in
this section.
CAM FOLLOWER AND HYDRAULIC LASH
ADJUSTER ASSEMBLY
REMOVAL
(1) Remove valve cover using procedure outlined in
this section.
(2) Remove timing belt, sprockets and covers using
procedure outlined in this section.
Fig. 26 Camshaft Bearing Cap Sealing
(3) Remove camshaft. Refer to procedure previ-
ously outline this section.
(4) Remove cam follower assemblies from cylinder
head. Keep the cam followers in the order they have
TIP ROLLER
been removed from the head for reassembly.Mark
hydraulic lash adjusters for reassembly in their orig-
inal position. Lash adjusters are serviced as a assem-
bly.
NOTE: Inspect the cam follower assembly for wear
or damage (Fig. 27). Replace as necessary.
Fig. 27 Cam Follower Assembly
INSTALLATION
(1) Install hydraulic lash adjuster assembly mak-
ing sure that adjusters are at least partially full of
oil. This is indicated by little or no plunger travel
when the lash adjuster is Lubricate with clean oil
and install cam follower assemblies in their original
position on the hydraulic adjuster and valve stem
(Fig. 28).
(2) Install the camshafts. Refer to procedure previ-
ously outlined in this section.
HYDRAULIC LASH ADJUSTER NOISE
A tappet like noise may be produced from several
items. Refer to Lash Adjuster Noise Diagnosis in
Standard Service Procedures, outlined in this Group.
PL
LASH ADJUSTER POCKET