Chrysler Concorde 1993 Service Manual page 431

9 - 48 3.5L ENGINE
Fig. 11 Rocker Arm Shaft Assembly Torque Se-
quence —Left Side
hydralic lash adjuster from the rocker arm as-
sembly (Fig. 7). Damage to the adjuster or rocker arm
will occur.
CAMSHAFT SERVICE
CAMSHAFT— REMOVAL
Camshafts are serviced from the rear of the cylinder
head. The cylinder head must be removed. Refer to
cylinder head removal for procedure.
(1) Mark the rocker arm assembly before disassem-
bly. Remove the rocker arm and shaft assembly from
the head.
(2) Remove the rear camshaft cover and o-ring from
head.
CAUTION: Be careful not to Nick or Scratch the
journals when removing the camshaft.
(3) Carefully remove the camshaft from the rear of
the cylinder head.
CAMSHAFT INSPECTION
(1) Inspect camshaft bearing journals for damage
and binding (Fig. 12). If journals are binding, also
check the cylinder head for damage. Also check cylin-
der head oil holes for clogging.
(2) Check the cam surface for abnormal wear and
damage and replace if defective. Also measure the cam
height (Fig. 12) and replace if out of limit, standard
value is 0.0254 mm (.001 inch.), wear limit is 0.254
mm (0.010 inch.).
CAMSHAFT— INSTALLATION
Lubricate camshaft journals and cam with clean
engine oil and install camshaft into cylinder head.
(2) Install the camshaft cover and o-ring to the head
and tighten to 28 N¼m (250 in. lbs.).
(3) Install the rocker arm assembly. Refer to proce-
dure outlined in this section.
Fig. 12 Check Camshafts
CAMSHAFT OIL SEAL SERVICE
REMOVAL
(1) With camshaft sprockets removed. Refer to pro-
cedure outlined in this section.
(2) Use Special Tool C-3981B to remove camshaft
oil seal (Fig. 13).
Fig. 13 Remove Camshaft Oil Seal
INSTALLATION
(1) Apply light coat of engine oil to the camshaft
oil seal lip.
(2) Install the oil seal using Special Tool 6052 (Fig.
14).
CYLINDER HEAD
REMOVAL
(1) Refer to Timing System Service in this group
for disassembly and remove camshaft sprockets.
(2) Remove intake manifold assembly. Refer to In-
take and Exhaust Manifolds, Group 11 for procedure.
(3) Remove timing belt cover to cylinder head fas-
teners (Fig. 15).
(4) If the right side timing belt cover is removed