CHRYSLER VOYAGER 2001 Service Manual

(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.
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. 71). 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.
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. 72).
REMOVAL
(1) Disconnect negative battery cable.
(2) Raise vehicle on hoist.
(3) Disconnect oil pressure switch electrical con-
nector (Fig. 72).
(4) Remove oil pressure switch from engine block.
Fig. 71 OIL PUMP PICKUP TUBE ASSEMBLY
1 - BALANCE SHAFT
2 - OIL JET RETAINING BOLT
3 - OIL JET
4 - ENGINE BLOCK
5 - CRANKSHAFT
6 - BALANCE SHAFT RETAINING BOLTS
7 - OIL DIPSTICK TUBE RETAINER
8 - RUBBER BUSHING
9 - RETAINING BOLT
Fig. 72 REAR ENGINE VIEW
1 - SUSPENSION CRADLE
2 - ENGINE BLOCK
3 - OIL PRESSURE SWITCH
4 - OIL TEMPERATURE SENSOR
5 - VEHICLE SPEED SENSOR
6 - TRANSMISSION
RGENGINE 2.5L TURBO DIESEL9a-49
OIL PUMP (Continued)

INSTALLATION
(1) Apply MopartThread Sealant to the switch
threads.
(2) Install oil pressure switch in engine block.
(3) Connect oil pressure switch electrical connector
(Fig. 72).
(4) Lower vehicle.
(5) Start engine and check for leaks.
(6) Check and adjust oil level as necessary.
OIL TEMPERATURE SENSOR
DESCRIPTION
The oil temperature sensor is located on the right
side of the engine block. The sensor screws into the
engines main oil gallery (Fig. 73).
REMOVAL
(1) Disconnect negative battery cable.
(2) Raise vehicle on hoist.
(3) Disconnect oil temperature sensor electrical
connector (Fig. 73).
(4) Remove oil temperature sensor from engine
block.
INSTALLATION
(1) Apply MopartThread Sealant to the sensor
threads.
(2) Install oil temperature sensor in engine block.
(3) Connect oil temperature sensor electrical con-
nector (Fig. 73)
(4) Lower vehicle.
(5) Start engine and check for leaks.
(6) Check and adjust oil level as necessary.
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. 74).
Fig. 73 REAR ENGINE VIEW
1 - SUSPENSION CRADLE
2 - ENGINE BLOCK
3 - OIL PRESSURE SWITCH
4 - OIL TEMPERATURE SENSOR
5 - VEHICLE SPEED SENSOR
6 - TRANSMISSION
Fig. 74 OIL PRESSURE RELIEF VALVE
1 - O-RING
2 - OIL PRESSURE RELIEF VALVE CAP
3 - OIL PRESSURE RELIEF VALVE SPRING
4 - OIL PRESSURE RELIEF VALVE PLUNGER
9a - 50 ENGINE 2.5L TURBO DIESELRG
OIL PRESSURE SENSOR/SWITCH (Continued)

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. 75).
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.
76).
(5) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
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 cap and filter (Refer to 9 -
ENGINE/LUBRICATION/OIL FILTER - REMOVAL).
(4) Remove oil filter housing retaining nut and
housing (Fig. 77).
(5) Disconnect coolant hoses at cooler (Fig. 78).
(6) Remove oil cooler retaining bolt at engine block
(Fig. 78).
Fig. 75 OIL PRESSURE RELIEF VALVE REMOVAL
1 - VM.1054
2 - OIL PRESSURE RELIEF VALVE
3 - ENGINE BLOCK
4 - OIL PUMP
Fig. 76 OIL PRESSURE RELIEF VALVE
INSTALLATION
1 - VM.1059
2 - OIL PRESSURE RELIEF VALVE
3 - ENGINE BLOCK
4 - OIL PUMP
RGENGINE 2.5L TURBO DIESEL9a-51
OIL PRESSURE RELIEF VALVE (Continued)

(7) Remove oil cooler retaining stud and remove oil
cooler from engine block (Fig. 78).
INSTALLATION
(1) Clean oil cooler and engine block sealing sur-
faces.
(2) Install oil cooler, retaining bolt, and stud (Fig.
78). Torque retaining bolt to 47.1N´m and stud to
50N´m.
(3) Connect coolant hoses at cooler (Fig. 78).
(4) Install oil filter housing and retaining nut (Fig.
77).
(5) Install oil filter cartridge and oil filter cap
(Refer to 9 - ENGINE/LUBRICATION/OIL FILTER -
INSTALLATION).
(6) Lower vehicle.
(7) Refill cooling system (Refer to 7 - COOLING/
ENGINE/COOLANT - STANDARD PROCEDURE).
(8) Start engine and check for leaks.
(9) Check and adjust oil level as necessary.
OIL FILTER
DESCRIPTION
The oil filter used on this engine is a cartridge
style filter (Fig. 79).
Fig. 77 OIL FILTER HOUSING RETAINING NUT
1 - OIL FILTER HOUSING
2 - OIL FILTER HOUSING RETAINING NUT
3 - OIL COOLER
Fig. 78 WATER PUMP AND OIL COOLER
ASSEMBLIES
1 - WATER PUMP HOUSING STUDS
2 - WATER PUMP
3 - RETAINING NUTS
4 - OIL COOLER RETAINING STUD
5 - OIL COOLER TO ENGINE BLOCK RETAINING BOLT
6 - OIL COOLER COOLANT HOSE
7 - ENGINE BLOCK
Fig. 79 OIL FILTER ASSEMBLY
1 - OIL FILTER CAP
2 - DRAIN PLUG
3 - OIL FILTER CARTRIDGE
9a - 52 ENGINE 2.5L TURBO DIESELRG
OIL COOLER & LINES (Continued)

REMOVAL
(1) Raise vehicle on hoist.
(2) Remove oil filter cap drain plug and drain oil
from oil filter housing (Fig. 80).
(3) Remove oil filter cap with suitable oil filter
wrench (Fig. 80).
(4) Remove oil filter cartridge from housing.
INSTALLATION
(1) Clean oil filter cap and drain plug with suit-
able solvent.
(2) Install new oil filter cartridge in oil filter hous-
ing.
(3) Install oil filter cap and drain plug
(4) Lower vehicle from hoist.
(5) Start engine and check for leaks.
(6) Check and adjust oil level as necessary.
OIL JET
DESCRIPTION
There are four oil jets installed in the engine block.
These oil jets are used to cool and lubricate the pis-
ton assemblies (Fig. 81).
REMOVAL
CAUTION: Use caution when removing and installa-
ing oil jets. Damage to oil jet nozzle could cause
severe engine damage.
(1) Disconnect negative battery cable.
(2) Raise vehicle on hoist.
(3) Remove oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - REMOVAL).
(4) Using special tool VM.1060 to hold oil jet.
Remove oil jet retaining bolt and remove oil jet from
engine block (Fig. 82).
INSTALLATION
CAUTION: Use caution when removing and installa-
ing oil jets. Damage to oil jet nozzle could cause
severe engine damage.
(1) Lubricate o-ring on oil jet.
(2) Using special tool VM.1060, install oil jet in
engine block (Fig. 82).
(3) Install oil jet retaining bolt. Torque bolt to
10.8N´m.
Fig. 80 OIL COOLER AND FILTER ASSEMBLY
1 - WATER PUMP HOUSING
2 - OIL FILTER HOUSING
3 - OIL FILTER CAP
4 - OIL FILTER CAP DRAIN PLUG
5 - OIL COOLER
Fig. 81 OIL JET ASSEMBLY
1 - RETAINING BOLT
2 - OIL JET
3 - O-RING
RGENGINE 2.5L TURBO DIESEL9a-53
OIL FILTER (Continued)

(4) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
(5) Refill engine oil to proper level.
(6) Connect negative battery cable.
INTAKE MANIFOLD
DESCRIPTION
(Refer to 9 - ENGINE/CYLINDER HEAD/CYLIN-
DER HEAD COVER(S) - DESCRIPTION)
REMOVAL
(1) (Refer to 9 - ENGINE/CYLINDER HEAD/CYL-
INDER HEAD COVER(S) - REMOVAL)
INSTALLATION
(1) (Refer to 9 - ENGINE/CYLINDER HEAD/CYL-
INDER HEAD COVER(S) - INSTALLATION)
VALVE TIMING
STANDARD PROCEDURE - LOCKING ENGINE
90É AFTER TDC
(1) Disconnect negative battery cable.
(2) Remove starter motor (Refer to 8 - ELECTRI-
CAL/STARTING/STARTER MOTOR - REMOVAL).
(3) Rotate engine by hand until special tool
VM.1068 can be install in engine block as shown
(Fig. 83). This will lock the engine at 90É after TDC.
(4) Remove front wiper unit (Refer to 8 - ELEC-
TRICAL/WIPERS/WASHERS/WIPER MODULE -
REMOVAL).
(5) Remove engine cover (Refer to 9 - ENGINE -
REMOVAL).
Fig. 82 OIL JET REMOVAL/INSTALLATION
1 - SPECIAL TOOL VM.1060
2 - OIL JET
3 - CONNECTING ROD
4 - CRANKSHAFT
Fig. 83 TDC AND 90 DEGREES AFTER TDC
ALIGNMENT PIN LOCATION
1 - ENGINE BLOCK
2 - VM.1051 TDC PIN OR VM.1068 90 DEGREES ATDC PIN
3 - FLYWHEEL
9a - 54 ENGINE 2.5L TURBO DIESELRG
OIL JET (Continued)

(6) Remove plug in cylinder head cover/intake
manifold and insert VM.1053 to lock exhaust cam-
shaft in position (Fig. 84).
(7) Remove generator (Refer to 8 - ELECTRICAL/
CHARGING/GENERATOR - REMOVAL).
(8) Remove plug in cylinder head cover/intake
manifold and insert VM.1052 to lock intake camshaft
in position (Fig. 85).
(9) At this point the timing belt can be removed
for service.
(10) After engine service is completed and timing
belt reinstalled, remove both camshaft locking pins
from cylinder head cover/intake manifold.
(11) Install both camshaft access plugs.
(12) Remove 90É after TDC engine locking pin.
(13) Install starter motor (Refer to 8 - ELECTRI-
CAL/STARTING/STARTER MOTOR - INSTALLA-
TION).
(14) Install generator (Refer to 8 - ELECTRICAL/
CHARGING/GENERATOR - INSTALLATION).(15) Install engine cover (Refer to 9 - ENGINE -
INSTALLATION).
(16) Install front wiper unit (Refer to 8 - ELEC-
TRICAL/WIPERS/WASHERS/WIPER MODULE -
INSTALLATION).
(17) Connect negative battery cable.
BALANCE SHAFT
DESCRIPTION
The 2.5L Common Rail Diesel engine is equipped
with two nodular cast iron balance shafts in a cast
aluminum carrier. The balance shaft assembly is
mounted to the engine block (Fig. 86).
Fig. 84 EXHAUST CAMSHAFT LOCKING PIN
VM.1053
1 - EXHAUST MANIFOLD HEAT SHIELD
2 - EXHAUST CAMSHAFT LOCKING PIN VM.1053
3 - COOLANT TUBE FROM THERMOSTAT HOUSING TO UPPER
RADIATOR HOSE
4 - CYLINDER HEAD COVER/INTAKE MANIFOLD
Fig. 85 INTAKE CAMSHAFT LOCKING PIN VM.1052
1 - TIMING BELT INNER COVER
2 - GLOW PLUG ELECTRICAL CONNECTOR
3 - CYLINDER HEAD COVER/INTAKE MANIFOLD
4 - FUEL RAIL
5 - INTAKE CAMSHAFT LOCKING PIN VM.1052
RGENGINE 2.5L TURBO DIESEL9a-55
VALVE TIMING (Continued)

OPERATION
The balance shaft is driven by the crankshaft. The
balance shafts are connected by heelical gears. The
dual-counter rotating shafts decrease second order
vertical shaking forces caused by component move-
ment.
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 balance shaft assembly (Fig. 87).
Fig. 86 BALANCE SHAFT ASSEMBLY
1 - BALANCE SHAFT
2 - OIL JET RETAINING BOLT
3 - OIL JET
4 - ENGINE BLOCK
5 - CRANKSHAFT
6 - BALANCE SHAFT RETAINING BOLTS
7 - OIL DIPSTICK TUBE RETAINER
8 - RUBBER BUSHING
9 - RETAINING BOLT
Fig. 87 BALANCE SHAFT ASSEMBLY
1 - BALANCE SHAFT
2 - OIL JET RETAINING BOLT
3 - OIL JET
4 - ENGINE BLOCK
5 - CRANKSHAFT
6 - BALANCE SHAFT RETAINING BOLTS
7 - OIL DIPSTICK TUBE RETAINER
8 - RUBBER BUSHING
9 - RETAINING BOLT
9a - 56 ENGINE 2.5L TURBO DIESELRG
BALANCE SHAFT (Continued)

INSTALLATION
(1) Before installation of the balance shaft assem-
bly, the # 1 cylinder must be brought to TDC. Using
special tool VM.1051, roll engine over by hand until
tool can be inserted into engine block locking fly-
wheel from turning (Fig. 88). Once the # 1 cylinder is
brought to TDC, the balance shaft assembly can be
installed.
(2) With balance shaft assembly on work bench.
Insert special tool VM.1056 into balance shaft assem-
bly (Fig. 89). This will ensure proper balance shaft
and crankshaft timing after assembly.
(3) Install balance shaft assembly and retaining
bolts (Fig. 87). Torque bolts to 32.4N´m.
(4) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
(5) Refill engine oil to proper level.
(6) Connect negative battery cable.
TIMING BELT / CHAIN
COVER(S)
REMOVAL - TIMING BELT OUTER COVER
(1) Disconnect negative battery cable.
(2) Remove engine cover (Refer to 9 - ENGINE -
REMOVAL).(3) Remove air cleaner housing.
(4) Support engine and remove right engine mount
and bracket.
(5) Remove power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(6) Remove accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(7) Remove vibration damper (Refer to 9 -
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
REMOVAL).
(8) Remove timing belt outer cover retaining bolts
and remove cover (Fig. 90).
REMOVAL - TIMING BELT INNER COVER
(1) Disconnect negative battery cable.
(2) Remove engine cover (Refer to 9 - ENGINE -
REMOVAL).
(3) Remove air cleaner housing.
(4) Support engine and remove right engine mount
and bracket.
(5) Remove power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(6) Remove accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
Fig. 88 TDC AND 90 DEGREES AFTER TDC
ALIGNMENT PIN LOCATION
1 - ENGINE BLOCK
2 - VM.1051 TDC PIN OR VM.1068 90 DEGREES ATDC PIN
3 - FLYWHEEL
Fig. 89 BALANCE SHAFT ALIGNMENT PIN VM.1056
1 - VM.1056
2 - BALANCE SHAFT ASSEMBLY
RGENGINE 2.5L TURBO DIESEL9a-57
BALANCE SHAFT (Continued)

(7) Remove vibration damper (Refer to 9 -
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
REMOVAL).
(8) Remove timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(9) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - REMOVAL).
(10) Remove timing belt idler pulleys (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT IDLER
PULLEY - REMOVAL).
(11) Using special tool VM.1055, remove camshaft
sprockets (Fig. 91).
(12) Remove timing belt tensioner (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT/CHAIN
TENSIONER&PULLEY - REMOVAL) .(13) Remove injection pump sprocket (Refer to 14 -
FUEL SYSTEM/FUEL DELIVERY/FUEL INJEC-
TION PUMP - REMOVAL).
(14) Remove timing belt inner cover retaining bolts
and remove cover (Fig. 92).INSTALLATION - TIMING BELT OUTER COVER
(1) Install timing belt outer cover seal and cover
(Fig. 90). Torque 3mm bolts to 10.8N´m and 8mm
bolts to 10.8N´m.
(2) Install vibration damper (Refer to 9 - ENGINE/
ENGINE BLOCK/VIBRATION DAMPER - INSTAL-
LATION).
(3) Install accessory drive belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
(4) Install power steering belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
(5) Install right engine mount.
(6) Install air cleaner housing.
(7) Install engine cover (Refer to 9 - ENGINE -
INSTALLATION).
(8) Connect negative battery cable.
Fig. 90 TIMING BELT COVER (OUTER)
1 - SEAL
2 - TIMING BELT OUTER COVER
3 - RETAINING BOLTS
Fig. 91 CAMSHAFT SPROCKET REMOVAL/
INSTALLATION
1 - TIMING BELT INNER COVER
2 - CAMSHAFT SPROCKET
3 - IDLER PULLEYS
4 - CAMSHAFT SPROCKET
5 - VM.1055
9a - 58 ENGINE 2.5L TURBO DIESELRG
TIMING BELT / CHAIN COVER(S) (Continued)