Chrysler neon 1997 Service Manual page 1250

PL
REMOVAL AND INSTALLATION (Continued)
(7) Install crankshaft sprocket, using Special Tool
6792 (Fig. 77).
Fig. 77 Crankshaft Sprocket—Installation
(8) Install oil pump pick-up tube and oil pan.
(9) Install Timing Belt. Refer to Timing Belt
Installation in this section.
PISTON AND CONNECTING ROD
REMOVAL
(1) Remove top ridge of cylinder bores with a reli-
able ridge reamer before removing pistons from cyl-
inder block. Be sure to keep tops of pistons
covered during this operation . Mark piston with
matching cylinder number (Fig. 78).
Fig. 78 Piston Markings
(2) Remove oil pan. Scribe the cylinder number on
the side of the rod and cap (Fig. 79) for identification.
(3) Pistons will have a stamping in the approxi-
mate location shown in (Fig. 78). These stamps will
be either a directional arrow or a weight identifica-
tion for the assembly. L is for light and H is for
heavy. These assemblies should all be the same
weight class. Service piston assemblies are marked
with a S and can be used with either L or H produc-
Fig. 79 Identify Connecting Rod to Cylinder
tion assemblies. The weight designation stamps
should face toward the timing belt side of the engine.
(4) Pistons and connecting rods must be removed
from top of cylinder block. Rotate crankshaft so that
each connecting rod is centered in cylinder bore.
(5) Remove connecting rod cap bolts Do not use
old bolts if reinstalling connecting rod. Push
each piston and rod assembly out of cylinder bore.
NOTE: Be careful not to nick crankshaft journals.
(6) After removal, install bearing cap on the mat-
ing rod.
(7) Piston and Rods are serviced as an assembly.
PISTON RING—REMOVAL
(1) ID mark on face of upper and intermediate pis-
ton rings must point toward piston crown.
(2) Using a suitable ring expander, remove upper
and intermediate piston rings (Fig. 80).
Fig. 80 Piston Rings—Removing and Installing
(3) Remove the upper oil ring side rail, lower oil
ring side rail and then oil ring expander from piston.
(4) Clean ring grooves of any carbon deposits.
2.0L DOHC ENGINE 9 - 79