Removal; Installation - Chrysler 300M Service Manual

LH
PISTON RINGS (Continued)
Fig. 89 Measuring Piston Ring Side Clearance
1 - FEELER GAUGE

REMOVAL

(1) Remove piston and connecting rod. (Refer to 9 -
ENGINE/ENGINE BLOCK/PISTON & CONNECT-
ING ROD - REMOVAL)
(2) Remove No. 1 and No.2 piston rings from pis-
ton using a ring expander tool (Fig. 92).
(3) Remove upper oil ring side rail (Fig. 90).
(4) Remove lower oil ring side rail (Fig. 90).
(5) Remove oil ring expander (Fig. 90).

INSTALLATION

(1) Measure clearance of piston rings to the cylin-
der bore and piston. (Refer to 9 - ENGINE/ENGINE
BLOCK/PISTON RINGS - STANDARD PROCE-
DURE)
The No. 1 and No. 2 piston rings have a different
cross section. Insure that the No. 2 ring is installed
with manufacturers I.D. mark (dot) facing up,
towards top of the piston (Fig. 90).
CAUTION: Install piston rings in the following
order:
• Oil ring expander.
• Upper oil ring side rail.
• Lower oil ring side rail.
• No. 2 Intermediate piston ring.
• No. 1 Upper piston ring.
(2) Install oil ring expander.
(3) Install the side rail by placing one end between
the piston ring groove and the expander. Hold end
firmly and press down the portion to be installed
until side rail is in position. Do not use a piston
ring expander during this step (Fig. 91).
Fig. 90 PISTON RING - INSTALLATION
1 - SIDE RAIL
2 - SPACER EXPANDER
Fig. 91 SIDE RAIL - INSTALLATION
1 - SIDE RAIL END
ENGINE 9 - 55