Chrysler Sebring 2004 Service Manual page 1125

9 - 198 ENGINE 2.7L DOHC
PISTON RINGS (Continued)
Fig. 76 PISTON RING - INSTALLATION
1 - SPACER EXPANDER
2 - SIDE RAIL
Fig. 77 UPPER AND INTERMEDIATE RINGS
(3) Install upper side rail first and then the lower
side rail.
NOTE: The No. 1 and No. 2 piston rings have a dif-
ferent cross section. Ensure No. 2 ring is installed
with manufacturers I.D. mark (dot) facing up,
towards top of the piston (Fig. 76)
(4) Install No. 2 piston ring and then No. 1 piston
ring (Fig. 77).
(5) Position piston ring end gaps as shown in (Fig.
78).
(6) Position oil ring expander gap at least 45° from
the side rail gaps but not on the piston pin center or
on the thrust direction. Staggering ring gap is impor-
tant for oil control.
Fig. 78 PISTON RING END GAP POSITION
1 - SIDE RAIL UPPER
2 - NO. 1 RING GAP
3 - PISTON PIN
4 - SIDE RAIL LOWER
5 - NO. 2 RING GAP AND SPACER EXPANDER GAP
JR