Chrysler Stratus RHD 1999 Electronic Service Manual page 811

9 - 56 2.0L SOHC ENGINE
REMOVAL AND INSTALLATION (Continued)
Fig. 118 Installing Side Rail
(4) Position piston ring end gaps as shown in (Fig.
119).
(5) 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. 119 Piston Ring End Gap Position
PISTON AND ROD —INSTALLATION
(1) Before installing pistons and connecting rod
assemblies into the bore, be sure that compression
ring gaps are staggered so that neither is in line with
oil ring rail gap.
(2) Before installing the ring compressor, make
sure the oil ring expander ends are butted and the
rail gaps located as shown in (Fig. 119).
(3) Immerse the piston head and rings in clean
engine oil, slide the ring compressor, over the piston
(Fig. 120). Be sure position of rings does not
change during this operation.
(4) The weight stamp designation L or H will be in
the front half of the piston should face toward the
front of the engine for SOHC engine. The arrow
Fig. 120 Installing Piston
should face toward the front of the engine for DOHC
engine (Fig. 114).
(5) Rotate crankshaft so that the connecting rod
journal is on the center of the cylinder bore. Insert
rod and piston assembly into cylinder bore and guide
rod over the crankshaft journal.
(6) Tap the piston down in cylinder bore, using a
hammer handle. At the same time, guide connecting
rod into position on connecting rod journal.
(7) Install rod caps. Install New bolts and tighten
to 27 N·m (20 ft .lb.) Plus 1/4 turn.
DISASSEMBLY AND ASSEMBLY
OIL PUMP
(1) To remove the relief valve, proceed as follows:
(2) Remove the threaded plug and gasket from the
oil pump (Fig. 121).
CAUTION: Oil pump pressure relief valve must be
installed as shown in (Fig. 121) or serious damage
may occur.
(3) Remove spring and relief valve (Fig. 121).
(4) Remove oil pump cover screws, and lift off
cover.
(5) Remove pump rotors.
(6) Wash all parts in a suitable solvent and inspect
carefully for damage or wear (Fig. 122).
CLEANING AND INSPECTION
INTAKE MANIFOLD
Clean all mating surfaces.
Check for:
• Cracked or distorted manifold.
• Torn or missing O-rings at the mating surface of
the manifold (Fig. 123).
JA