Chrysler neon 1997 Service Manual page 1252

RELIEF V ALVE RETAINER CAP SPRING
PL
REMOVAL AND INSTALLATION (Continued)
should face toward the front of the engine for DOHC
engine (Fig. 78).
(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. 89).
CAUTION: Oil pump pressure relief valve must be
installed as shown in (Fig. 89) or serious damage
may occur.
(3) Remove spring and relief valve (Fig. 89).
Fig. 85 Oil Pressure Relief Valve
(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. 90).
VALVE SERVICE WITH CYLINDER HEAD REMOVED
REMOVAL
(1) With cylinder head removed, compress valve
springs using Special Tool MD 998735 or equivalent.
(2) Remove valve retaining locks, valve spring
retainers, valve stem seals and valve springs.
GASKET OIL PUMP BODY BOTTOM MIDDLE OUTERROTOR INNER ROTOR
(3) Before removing valves, remove any burrs
from valve stem lock grooves to prevent dam-
age to the valve guides. Identify valves to insure
installation in original location.
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-
tom (Fig. 87). Refer to (Fig. 88) for specifications.
Replace guides if they are not within specification.
Fig. 87 Checking Wear on Valve Guide—Typical
TOP
2.0L DOHC ENGINE
Fig. 86 Oil Pump
Fig. 88 Valve Guide Specification
OIL PUMP COVER SUREMENT VALVE CUT AWAY VIEW OF GUIDE OIL BODY PUMP TIONS LOCA- MEA-
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