Chrysler 300M 2002 Service Manual page 989

9 - 52 ENGINE 2.7L
PISTON & CONNECTING ROD (Continued)
(5) Position bearing onto connecting rod. Ensure
that hole in bearing half is aligned to hole in con-
necting rod. Lubricate bearing surface with clean
engine oil.
(6) Install Special Tools 8189 Connecting Rod
Guides into connecting rod (Fig. 67).
(7) The pistons are marked on top with an arrow
and with an "F" (Front) above the pin boss. These
marks must be pointing toward the front of engine
on both cylinder banks. The connecting rod oil squirt
hole faces the major thrust (right) side of the block
(Fig. 69).
(8) Rotate crankshaft so that the connecting rod
journal is on the center of the cylinder bore. Insert
rod and piston into cylinder bore and guide rod over
the crankshaft journal (Fig. 68).
CAUTION: Do Not interchange piston assemblies
bank to bank, as engine damage may occur.
Fig. 69 Piston and Connecting Rod Positioning (Front View of Engine)
1 - MAJOR THRUST SIDE OF PISTON
2 - OIL SQUIRT HOLE
(9) Tap the piston down in cylinder bore, using a
hammer handle. At the same time, guide connecting
rod into position on connecting rod journal.
(10) Lubricate rod bolts and bearing surface with
engine oil. Install connecting rod cap and bearing.
Tighten bolts to 27 N·m (20 ft. lbs.) Plus 1/4 turn.
PISTON RINGS
STANDARD PROCEDURE - PISTON RING
FITTING
(1) Wipe cylinder bore clean. Insert ring and push
down with piston to ensure it is square in bore. The
ring gap measurement must be made with the ring
positioning at least 12 mm (0.50 inch.) from bottom
of cylinder bore. Check gap with feeler gauge (Fig.
70). Refer to (Refer to 9 - ENGINE - SPECIFICA-
TIONS) for clearance measurements.
LH