Chrysler 300M 2002 Service Manual page 973

9 - 36 ENGINE 2.7L
VALVE SPRINGS (Continued)
- ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(6) Install cylinder head covers. (Refer to 9 -
ENGINE/CYLINDER
COVER(S) - INSTALLATION)
(7) Install upper intake manifold. (Refer to 9 -
ENGINE/MANIFOLDS/INTAKE
INSTALLATION)
(8) Install air cleaner housing and inlet hose.
(9) Connect negative cable.
INSTALLATION - OFF VEHICLE
(1) If removed, install valve(s). (Refer to 9 -
ENGINE/CYLINDER
VALVES & SEATS - INSTALLATION)
(2) If valves or seats have been reground, check
valve tip height (A) (Fig. 36). If valve tip height for
intake valve is greater than 47.59 mm (1.8737 in.) or
49.14 mm (1.9347 in.) for exhaust valve, grind valve
tip until within specifications. Make sure measure-
ment is taken from cylinder head surface to the top
of valve stem.
Fig. 36 Valve Tip Height and Valve Spring Installed
1 - SPRING RETAINER
2 - GARTER SPRING
3 - VALVE SPRING SEAT TOP
4 - CYLINDER HEAD SURFACE
(3) Install valve seal/spring seat assembly over
valve guides on all valve stems (Fig. 37). Ensure that
the garter spring is intact around the top of the rub-
ber seal. Install valve springs, valve retainers.
(4) Compress valve springs with a valve spring
compressor install locks and release tool. If valves
and/or seats are
installed height of springs (B) (Fig. 36), make
sure measurements are taken from top of
spring seat to the bottom surface of spring
HEAD/CYLINDER
MANIFOLD
HEAD/INTAKE/EXHAUST
Height
reground, measure
retainer. If height is greater than 38.75 mm (1.5256
in.), install a 0.762 mm (0.030 in.) spacer in head
counterbore under the valve spring seat to bring
HEAD spring height back within specification.
-
Fig. 37 Valve Seal and Spring
1 - VALVE RETAINING LOCKS
2 - VALVE SPRING RETAINER
3 - VALVE SPRING
4 - VALVE SEAL AND VALVE SPRING SEAT ASSEMBLY
5 - VALVE
VALVE STEM SEALS
REMOVAL
(1) Remove valve spring. (Refer to 9 - ENGINE/
CYLINDER HEAD/VALVE SPRINGS - REMOVAL)
(2) Remove valve stem seal by using a valve seal
tool (Fig. 38).
Fig. 38 Valve Stem Seal—Removal
the
1 - VALVE SEAL TOOL
2 - VALVE STEM
LH