Spark Plug Tube; Removal; Installation; Valve Stem Seals - Chrysler 300M Service Manual

LH
ROCKER ARM / ADJUSTER ASSEMBLY (Continued)
Fig. 44 Camshaft Sprockets Neutral Position
Fig. 45 Rocker Arm and Shaft Assembly Tightening
Sequence

SPARK PLUG TUBE

REMOVAL

(1) Remove cylinder head cover(s). (Refer to 9 -
ENGINE/CYLINDER
COVER(S) - REMOVAL)
(2) Using suitable locking pliers, remove the tube
from the cylinder head (Fig. 46) and discard tube.
(3) Clean area around spark plug with Mopar
Parts Cleaner or equivalent.

INSTALLATION

(1) Apply Mopar Stud and Bearing Mount to a
new tube approximately 1 mm (0.039 in.) from the
end of tube, in a 3 mm (0.118 in.) wide area.
(2) Install sealer end of tube into the cylinder
head. Then carefully install the tube using a hard-
wood block and mallet. Install the tube until it is
seated into the bottom of the bore.
(3) For spark plug tube seal replacement, (Refer to
9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - REMOVAL).
HEAD/CYLINDER
Fig. 46 Servicing Spark Plug Tubes
1 - SPARK PLUG TUBE
2 - LOCKING PLIERS
(4) Install cylinder head cover(s). (Refer to 9 -
ENGINE/CYLINDER
COVER(S) - INSTALLATION)

VALVE STEM SEALS

REMOVAL
(1) Remove valve spring. (Refer to 9 - ENGINE/
CYLINDER HEAD/VALVE SPRINGS - REMOVAL)
(2) Remove valve stem seals by using a valve stem
seal tool (Fig. 47).
HEAD
Fig. 47 Valve Stem Seal - Removal
1 - VALVE SEAL TOOL
2 - VALVE STEM
INSTALLATION
(1) The valve stem seal/valve spring seat should be
pushed firmly and squarely over the valve guide
using the valve stem as guide. Do Not Force seal
against top of guide. When installing the valve
retainer locks, compress the spring only enough to
install the locks.
ENGINE 9 - 37
HEAD/CYLINDER HEAD