Chrysler 1997 Stratus Convertible RHD Service Manual page 779

JX
REMOVAL AND INSTALLATION (Continued)
Fig. 85 Piston—Installation
(3) Immerse the piston head and rings in clean
engine oil, slide the ring compressor, over the piston
(Fig. 85). Be sure position of rings does not
change during this operation .
(4) The directional stamp on the piston should
face toward the front of the engine (Fig. 82).
(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.
NOTE: The rod bearing bolts should not be reused.
(7) Before installing the NEW bolts the threads
should be coated with clean engine oil.
(8) Install each bolt finger tight than alternately
torque each bolt to assemble the cap properly.
CAUTION: Do not use a torque wrench for second
part of last step.
(9) Tighten the bolts to 27 N·m PLUS 1/4 turn (20
ft. lbs. PLUS 1/4 turn)
(10) Using a feeler gauge, check connecting rod
side clearance (Fig. 86).
DISASSEMBLY AND ASSEMBLY
OIL PUMP
DISASSEMBLY
(1) To remove the relief valve, proceed as follows:
(a) Remove the threaded plug and gasket from
the oil pump (Fig. 87).
(b) Remove spring and relief valve (Fig. 87)
(2) Remove oil pump cover screws, and lift off
cover.
Fig. 86 Checking Connecting Rod Side Clearance
(3) Remove pump rotors.
(4) Wash all parts in a suitable solvent and
inspect carefully for damage or wear.
ASSEMBLY
(1) Assemble pump, using new parts as required.
Install the inner rotor with chamfer facing the
cast iron oil pump cover.
(2) Prime oil pump before installation by filling
rotor cavity with engine oil.
(3) Install cover and tighten screws to 12 N·m
(105 in. lbs.).
CAUTION: Oil pump pressure relief valve must be
installed as shown in (Fig. 87) or serious damage
may occur.
(4) Install relief valve, spring, gasket and cap as
shown in (Fig. 87). Tighten cap to 41 N·m (30 ft. lbs.)
CLEANING AND INSPECTION
CYLINDER HEAD
CLEANING
Remove all gasket material from cylinder head and
block. Be careful not to gouge or scratch the alumi-
num head sealing surface.
INSPECTION
(1) Cylinder head must be flat within 0.1 mm
(0.004 inch) (Fig. 88).
(2) Inspect camshaft bearing journals for scoring.
VALVE GUIDES
(1) Remove carbon and varnish deposits from
inside of valve guides with a reliable guide cleaner.
(2) Using a small hole gauge and a micrometer,
measure valve guides in 3 places top, middle and bot-
2.4L ENGINE 9 - 43