Chrysler RG Voyager. Manual — part 482
OIL PUMP
REMOVAL
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove power steering belt (Refer to 7 -
COOLING/ACCESSORY
DRIVE/DRIVE
BELTS
-
REMOVAL).
(3) Remove accessory drive belt (Refer to 7 -
COOLING/ACCESSORY
DRIVE/DRIVE
BELTS
-
REMOVAL).
(4) Remove timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(5) Remove timing belt (Refer to 9 - ENGINE/
VALVE
TIMING/TIMING
BELT/CHAIN
AND
SPROCKETS - REMOVAL).
(6) Remove timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(7) Remove front engine cover (Refer to 9 -
ENGINE/ENGINE
BLOCK/ENGINE
COVER
-
REMOVAL).
(8) Remove crankshaft sprocket (Fig. 85).
(9) Remove oil pump retaining bolts and remove
pump from engine block (Fig. 85).
REMOVAL
(1) Disconnect negative battery cable.
(2) Raise vehicle on hoist.
(3) Remove oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - REMOVAL).
(4) Remove oil pump pickup tube retaining bolt
and pull pickup tube from engine block (Fig. 86).
INSTALLATION
INSTALLATION
(1) Lubricate oil pump rotor with engine oil.
(2) Install oil pump in bore in engine block (Fig.
85).
(3) Install oil pump retaining bolts (Fig. 85).
Torque bolts to 10.8N·m.
(4) Install crankshaft sprocket (Fig. 85). Torque
bolts to 10.8N·m.
(5) Install
front
engine
cover
(Refer
to
9
-
ENGINE/ENGINE
BLOCK/ENGINE
COVER
-
INSTALLATION).
(6) Install timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(7) Install timing belt (Refer to 9 - ENGINE/
VALVE
TIMING/TIMING
BELT/CHAIN
AND
SPROCKETS - INSTALLATION).
(8) Install timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(9) Install accessory drive belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
(10) Install power steering belt (Refer to 7 -
COOLING/ACCESSORY
DRIVE/DRIVE
BELTS
-
INSTALLATION).
(11) Connect negative battery cable.
Fig. 85 OIL PUMP AND VACUUM PUMP
1 - VACUUM PUMP
2 - CRANKSHAFT SPROCKET
3 - OIL PUMP
4 - ENGINE BLOCK
5 - CRANKSHAFT
9 - 60
ENGINE
RG
INSTALLATION
(1) Lubricate o-ring on oil pump pickup tube with
engine oil.
(2) Install pickup tube in engine block and install
retaining bolt (Fig. 86). Torque bolt to 32.4N·m.
(3) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
(4) Refill engine oil to proper level.
(5) Connect negative battery cable.
NOTE: If a slight oil witness mark is present,
retighten the oil pan bolts to 12N·m (106 in.lbs.).
(6) Start engine and inspect for leaks.
OIL PRESSURE SENSOR/
SWITCH
DESCRIPTION
The oil pressure switch is located on the right side
of the engine block. The switch screws into the
engines main oil gallery (Fig. 87).
REMOVAL
(1) Disconnect negative battery cable.
(2) Raise vehicle on hoist.
(3) Disconnect oil pressure switch electrical con-
nector (Fig. 87).
(4) Remove oil pressure switch from engine block.
INSTALLATION
(1) Apply Mopar
t Thread Sealant to the switch
threads.
(2) Install oil pressure switch in engine block.
(3) Connect oil pressure switch electrical connector
(Fig. 87).
(4) Lower vehicle.
(5) Start engine and check for leaks.
(6) Check and adjust oil level as necessary.
Fig. 86 OIL PUMP PICKUP TUBE ASSEMBLY
1 - BALANCE SHAFT
2 - OIL JET RETAINING BOLT
3 - OIL JET
4 - ENGINE BLOCK
5 - CRANKSHAFT
6 - O- RING(S)
7 - BALANCE SHAFT RETAINING BOLTS
8 - OIL DIPSTICK TUBE RETAINER
9 - RUBBER BUSHING
10 - RETAINING BOLT
Fig. 87 VIEW-REAR ENGINE
1 - SUSPENSION CRADLE
2 - ENGINE BLOCK
3 - OIL PRESSURE SWITCH
4 - VEHICLE SPEED SENSOR
5 - TRANSMISSION
RG
ENGINE
9 - 61
OIL PUMP (Continued)
OIL PRESSURE RELIEF VALVE
DESCRIPTION
The oil pressure relief valve mounts in the front of
the engine block and is used to control oil flow
through the engines lubrication system (Fig. 88).
REMOVAL
(1) Remove engine oil pan (Refer to 9 - ENGINE/
LUBRICATION/OIL PAN - REMOVAL).
(2) Using special tool VM.1054, remove oil pres-
sure relief valve from engine block (Fig. 89).
INSTALLATION
(1) Thoroughly clean all components and relief
valve pocket in cylinder block.
(2) Lubricate all oil pressure relief valve compo-
nents with engine oil.
(3) Install oil pressure relief valve plunger, spring,
and cap.
(4) Using special tool VM.1059, push oil pressure
relief valve cap in untill flush with engine block (Fig.
90).
(5) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
Fig. 88 OIL PRESSURE RELIEF VALVE
1 - O-RING
2 - OIL PRESSURE RELIEF VALVE CAP
3 - CLIP
4 - OIL PRESSURE RELIEF VALVE SPRING
5 - OIL PRESSURE RELIEF VALVE PLUNGER
Fig. 89 OIL PRESSURE RELIEF VALVE REMOVAL
1 - VM.1054
2 - OIL PRESSURE RELIEF VALVE
3 - ENGINE BLOCK
4 - OIL PUMP
9 - 62
ENGINE
RG
OIL COOLER & LINES
REMOVAL
(1) Drain cooling system (Refer to 7 - COOLING/
ENGINE/COOLANT - STANDARD PROCEDURE).
(2) Raise vehicle on hoist.
(3) Remove oil filter (Refer to 9 - ENGINE/LUBRI-
CATION/OIL FILTER - REMOVAL).
(4) Disconnect coolant hoses at cooler (Fig. 92).
(5) Remove oil cooler retaining bolt at engine block
(Fig. 92).
(6) Remove oil cooler retaining stud and remove oil
cooler from engine block (Fig. 92).
INSTALLATION
(1) Clean oil cooler and engine block sealing sur-
faces.
(2) Install oil cooler, retaining bolt, and stud (Fig.
92). Torque retaining bolt to 47.1N·m (35 lbs.ft.) and
stud to 37.2 N·m (28 lbs.ft.)..
(3) Connect coolant hoses at cooler (Fig. 92).
(4) Install oil filter (Fig. 91)
(5) Lower vehicle.
(6) Refill cooling system (Refer to 7 - COOLING/
ENGINE/COOLANT - STANDARD PROCEDURE).
(7) Start engine and check for leaks.
(8) Check and adjust oil level as necessary.
Fig. 90 OIL PRESSURE RELIEF VALVE
INSTALLATION
1 - VM.1059
2 - OIL PRESSURE RELIEF VALVE
3 - ENGINE BLOCK
4 - OIL PUMP
Fig. 91 OIL FILTER
1 - OIL FILTER
2 - ENGINE OIL COOLER
Fig. 92 WATER PUMP AND OIL COOLER
ASSEMBLIES
1 - WATER PUMP HOUSING STUDS
2 - WATER PUMP
3 - RETAINING NUTS
4 - OIL COOLER RETAINING STUD
5 - COOLANT HOSE
6 - ENGINE BLOCK
RG
ENGINE
9 - 63
OIL PRESSURE RELIEF VALVE (Continued)
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