Valve Springs And Seals (On Vehicle Service); Standard Procedure - Valve Springs And Seals (On Vehicle Service) - Chrysler PT Cruiser Service & Repair Manual

PT
CAMSHAFT (Continued)
Fig. 44 Checking Camshaft for Wear
1 - UNWORN AREA
2 - ACTUAL WEAR
3 - BEARING JOURNAL
4 - LOBE
5 - WEAR ZONE
(4) Lubricate the roller portion of the rocker arms
with clean engine oil.
(5) Install the rocker shaft/roller rocker arm
assemblies on the camshaft bearing caps, camshaft,
and valve stems.
(6) Hand start rocker shaft/camshaft bearing cap
bolts.
NOTE: When tightening the rocker shaft/camshaft
bearing cap bolts, ensure the camshaft bearing
caps are fully seated and the roller rocker arms
remain seated in their proper position.
(7) Tighten the rocker shaft/camshaft bearing cap
bolts gradually in the sequence shown in (Fig. 45).
Final torque all bolts to 25 N·m (225 in. lbs.).
Fig. 45 Rocker Arm Shaft Tightening Sequence
NOTE: It may be necessary to use the flats on the
front of the camshaft to slightly rotate camshaft for
camshaft sprocket installation.
(8) Slide camshaft sprocket off Special Tool 8446
and into it's mounting position. Remove Special Tool
8446 from cylinder head (Fig. 42).
CAUTION: Do Not use an impact wrench for tight-
ening the camshaft sprocket bolt. Damage to the
camshaft timing pin can result. Use a hand wrench
only.
(9) Install camshaft sprocket bolt. While holding
the camshaft sprocket with Special Tool 8435, torque
bolt to 115 N·m (85 ft. lbs.) (Fig. 41).
(10) Install camshaft position sensor. Torque fas-
tener to 10 N·m (85 in. lbs.). Reconnect connector.
(11) Install cylinder head cover (Refer to 9 -
ENGINE/CYLINDER
COVER - INSTALLATION).
(12) Connect negative battery cable.
VALVE SPRINGS AND SEALS
(ON VEHICLE SERVICE)
STANDARD PROCEDURE - VALVE SPRINGS
AND SEALS (ON VEHICLE SERVICE)
(1) Disconnect negative battery cable.
(2) Remove cylinder head cover (Refer to 9 -
ENGINE/CYLINDER
COVER(S) - REMOVAL).
(3) Remove intake and exhaust rocker shaft/rocker
arm assemblies (Refer to 9 - ENGINE/CYLINDER
HEAD/ROCKER ARM / ADJUSTER ASSY - REMOV-
AL).
(4) Install Special Tool 8813 Adapter Studs/Spacers
as shown in (Fig. 46).
(5) Install Special Tool MD998772A Compressor
with Special Tool 6779 adapter as shown in (Fig. 46).
CAUTION: When removing spark plugs, use Special
Tool 8448 Protective Sleeve on extension (Fig. 47)
or damage to spark plug tubes may result.
(6) Remove spark plugs.
(7) Rotate crankshaft until piston of cylinder being
worked on is at TDC.
(8) Install air hose attached to adapter tool in
spark plug hole. Apply 90-120 psi of air pressure to
the cylinder (Fig. 46).
(9) Using Special Tool MD998772A with adapter
6779 (Fig. 46), compress valve spring and remove
valve locks.
(10) Release tension on valve spring. Remove valve
spring retainer and valve spring.
(11) Remove valve seal/spring seat (Fig. 48).
(12) Replace valve seal/spring seat (Fig. 50).
(13) Install valve spring and valve spring retainer.
ENGINE 1.6L SOHC
HEAD/CYLINDER
HEAD/CYLINDER
9 - 37
HEAD
HEAD