Inspection; Cleaning; Installation - Chrysler PT Cruiser Service & Repair Manual

PT
CAMSHAFT(S) (Continued)
(4) Remove camshaft sprockets and timing belt
rear cover (Refer to 9 - ENGINE/VALVE TIMING/
TIMING BELT COVER(S) - REMOVAL).
(5) Bearing caps
Remove the outside bearing caps first (Fig. 38).
(6) Loosen the camshaft bearing cap attaching
fasteners in sequence shown (Fig. 39) one camshaft
at a time.
CAUTION: Camshafts are not interchangeable. The
intake cam number 6 thrust bearing face spacing is
wider.
(7) Identify the camshafts before removing from
the head. The camshafts are not interchangeable.
(8) Remove camshafts from cylinder head.
NOTE: If removing rocker arms, identify for reinstal-
lation in the original position.
Fig. 38 Camshaft Bearing Cap Identification
Fig. 39 Camshaft Bearing Cap - Removal
1 - REMOVE OUTSIDE BEARING CAPS FIRST

CLEANING

Clean camshaft with a suitable solvent.
are identified for

INSPECTION

(1) Inspect camshaft bearing journals for damage
and binding (Fig. 40). If journals are binding, check
location.
the cylinder head for damage. Also check cylinder
head oil holes for clogging.
(2) Check the cam lobe and bearing surfaces for
abnormal wear and damage. Replace camshaft if
defective.
NOTE: If camshaft is replaced due to lobe wear or
damage, always replace the rocker arms.
(3) Measure the lobe actual wear (unworn area -
wear zone = actual wear) (Fig. 40) and replace cam-
shaft if out of limit. Standard value is 0.0254 mm
(0.001 in.), wear limit is 0.254 mm (0.010 in.).
Fig. 40 Checking Camshaft(s) for Wear
1 - UNWORN AREA
2 - ACTUAL WEAR
3 - BEARING JOURNAL
4 - LOBE
5 - WEAR ZONE

INSTALLATION

CAUTION: Ensure that NONE of the pistons are at
top dead center when installing the camshafts.
(1) Lubricate all camshaft bearing journals, rocker
arms and camshaft lobes.
(2) Install all rocker arms in original positions, if
reused.
(3) Position camshafts on cylinder head bearing
journals. Install right and left camshaft bearing caps
No. 2 – 5 and right No. 6. Tighten M6 fasteners to 12
N·m (105 in. lbs.) in sequence shown in (Fig. 41).
(4) Apply Mopar Gasket Maker to No. 1 and No.
6 bearing caps (Fig. 42). Install bearing caps and
tighten M8 fasteners to 28 N·m (250 in. lbs.).
NOTE: Bearing end caps must be installed before
seals can be installed.
ENGINE 2.4L DOHC 9 - 181