Chrysler neon 1997 Service Manual page 435

9 - 22 2.0L SOHC ENGINE
REMOVAL AND INSTALLATION (Continued)
NOTE: Check oil feed holes for blockage.
Inspect cylinder head journals for wear, Refer to
Cylinder Head, Inspect and Cleaning.
Check camshaft bearing journals for scratches
and worn areas. If light scratches are present, they
may be removed with 400 grit sand paper. If deep
scratches are present, replace the camshaft and
check the cylinder head for damage. Replace the
cylinder head if worn or damaged. Check the lobes
for pitting and wear. If the lobes show signs of
wear, check the corresponding rocker arm roller for
wear or damage. Replace rocker arm/hydraulic lash
adjuster if worn or damaged. If lobes show signs of
pitting on the nose, flank or base circle; replace the
camshaft.
CAMSHAFT END PLAY
(1) Oil camshaft journals and install camshaft
without rocker arm assemblies. Install cam sensor
and tighten screws to specified torque.
(2) Using a suitable tool, move camshaft as far
rearward as it will go.
(3) Zero dial indicator (Fig. 23).
(4) Move camshaft as far forward as it will go.
(5) End play travel: 0.13 - 0.33 mm (0.005 - 0.013
in.).
Fig. 23 Camshaft End Play
INSTALLATION
(1) Lubricate camshaft journals. Install camshaft
into the cylinder head carefully.
(2) Install cam sensor and tighten fasteners to 9.5
N·m (85 in. lbs.).
(3) Install camshaft seal. Camshaft must be
installed before the camshaft seal is installed. Refer
to procedure outlined in this section.
(4) Install camshaft sprocket and tighten to 115
N·m (85 ft. lbs.).
(5) Install timing belt. (Refer to procedure outlined
in this section).
ROCKER SHAFT RETAINERS EXHAUST ROCKER ARM SHAFT ARM
INTAKE ROCKER ARM SHAFT
(6) Install rocker arm assemblies in correct order
as removed. Tighten the rocker arm assemblies in
sequence shown in (Fig. 24) to 23 N·m (200 in. lbs.).
Fig. 24 Rocker Arm Shaft Tightening Sequence
ROCKER ARM/HYDRAULIC LASH ADJUSTER
REMOVAL
(1) Remove valve cover using procedure outlined in
this section.
(2) Identify the rocker arm shaft assemblies before
removal.
(3) Loosen the attaching fasteners. Remove rocker
arm shaft assemblies from cylinder head.
(4) Identify the rocker arms spacers and retainers
for reassembly. Disassemble the rocker arm assem-
blies by removing the attaching bolts from the shaft
(Fig. 25).
Fig. 25 Rocker Arm Shaft Assemblies
EXHAUST INTAKE ROCKER ASSEMBLY PLASTIC SHAFT ROCKER ARM SPACERS ASSEMBLY ARM
PL