2001 CHRYSLER VOYAGER check engine

(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 connecting rod cap bolts should not be
reused.
(7) Before installing theNEWbolts 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. 70).
PISTON RINGS
PISTON RINGÐFITTING
(1) Wipe cylinder bore clean. Insert ring and push
down with piston to ensure it is square in bore. The
ring gap measurement must be made with the ring
positioning at least 12 mm (0.50 inch) from bottom of
cylinder bore. Check gap with feeler gauge (Fig. 71).
Refer to Engine Specifications.
(2) Check piston ring to groove side clearance (Fig.
72). Refer to Engine Specifications.
Fig. 69 PistonÐInstallation
Fig. 70 Checking Connecting Rod Side Clearance
Fig. 71 Piston Ring Gap
1 - FEELER GAUGE
Fig. 72 Piston Ring Side Clearance
1 - FEELER GAUGE
9 - 44 ENGINE 2.4LRS
PISTON & CONNECTING ROD (Continued)

(3) Start engine and record oil pressure. Refer to
Specifications for correct oil pressure requirements.
(Refer to 9 - ENGINE - SPECIFICATIONS)
CAUTION: If oil pressure is 0 at idle, do not perform
the 3000 RPM test
(4) If oil pressure is 0 at idle. Shut off engine,
check for pressure relief valve stuck open, a clogged
oil pick-up screen or a damaged oil pick-up tube
O-ring.
(5) After test is complete, remove test gauge and
fitting.
(6) Install oil pressure switch and connector. (Refer
to 9 - ENGINE/LUBRICATION/OIL PRESSURE
SENSOR/SWITCH - INSTALLATION)
OIL
ENGINE OIL LEVEL CHECK
The best time to check engine oil level is after it
has sat overnight, or if the engine has been running,
allow the engine to be shut off for at least 5 minutes
before checking oil level.
Checking the oil while the vehicle is on level
ground will improve the accuracy of the oil level
reading. Remove dipstick and observe oil level. Add
oil only when the level is at or below the ADD mark
(Fig. 88).
STANDARD PROCEDURE - ENGINE OIL AND
FILTER CHANGE
Change engine oil at mileage and time intervals
described in the Maintenance Schedule. (Refer to
LUBRICATION & MAINTENANCE/MAINTE-
NANCE SCHEDULES - DESCRIPTION)
WARNING: NEW OR USED ENGINE OIL CAN BE
IRRITATING TO THE SKIN. AVOID PROLONGED OR
REPEATED SKIN CONTACT WITH ENGINE OIL.
CONTAMINANTS IN USED ENGINE OIL, CAUSED BY
INTERNAL COMBUSTION, CAN BE HAZARDOUS TO
YOUR HEALTH. THOROUGHLY WASH EXPOSED
SKIN WITH SOAP AND WATER. DO NOT WASH
SKIN WITH GASOLINE, DIESEL FUEL, THINNER, OR
SOLVENTS, HEALTH PROBLEMS CAN RESULT. DONOT POLLUTE, DISPOSE OF USED ENGINE OIL
PROPERLY. CONTACT YOUR DEALER OR GOVERN-
MENT AGENCY FOR LOCATION OF COLLECTION
CENTER IN YOUR AREA.
Run engine until achieving normal operating tem-
perature.
(1) Position the vehicle on a level surface and turn
engine off.
(2) Hoist and support vehicle on safety stands.
Refer to Hoisting and Jacking Recommendations.
(Refer to LUBRICATION & MAINTENANCE/HOIST-
ING - STANDARD PROCEDURE)
(3) Remove oil fill cap.
(4) Place a suitable drain pan under crankcase
drain.
(5) Remove drain plug from crankcase and allow
oil to drain into pan. Inspect drain plug threads for
stretching or other damage. Replace drain plug and
gasket if damaged.
(6) Remove oil filter. (Refer to 9 - ENGINE/LUBRI-
CATION/OIL FILTER - REMOVAL)
(7) Install and tighten drain plug in crankcase.
(8) Install new oil filter. (Refer to 9 - ENGINE/LU-
BRICATION/OIL FILTER - INSTALLATION)
(9) Lower vehicle and fill crankcase with specified
type and amount of engine oil. (Refer to LUBRICA-
TION & MAINTENANCE/FLUID TYPES -
DESCRIPTION)
(10) Install oil fill cap.
(11) Start engine and inspect for leaks.
(12) Stop engine and inspect oil level.
NOTE: Care should be exercised when disposing
used engine oil after it has been drained from a
vehicle engine. Refer to the WARNING listed above.
OIL FILTER
DESCRIPTION
The engine oil filter (Fig. 89) is a high quality full-
flow, disposable type. Replace the oil filter with a
Mopartor the equivalent.
REMOVAL
(1) Raise vehicle on hoist.
(2) Position an oil collecting container under oil fil-
ter location.
CAUTION: When servicing the oil filter avoid
deforming the filter can by installing the remove/in-
stall tool band strap against the can to base lock
seam. The lock seam joining the can to the base is
reinforced by the base plate.
Fig. 88 Oil Level
1 - ENGINE OIL LEVEL DIPSTICK
RSENGINE 2.4L9-51
LUBRICATION (Continued)

(3) Using a suitable filter wrench, turn oil filter
(Fig. 89) counterclockwise to remove.
INSTALLATION
(1) Clean and check filter mounting surface. The
surface must be smooth, flat and free of debris or
pieces of gasket.
(2) Lubricate new oil filter gasket with clean
engine oil.
(3) Screw oil filter (Fig. 89) on until the gasket
contacts base. Tighten to 21 N´m (15 ft. lbs.).
OIL PAN
REMOVAL
(1) Raise vehicle on hoist and drain engine oil.
(2) Remove structural collar. (Refer to 9 -
ENGINE/ENGINE BLOCK/STRUCTURAL COVER -
REMOVAL)
(3) Remove air conditioning compressor bracket to
oil pan bolt.
(4) Remove bolts attaching oil pan.
(5) Remove oil pan.
(6) Clean oil pan and all gasket surfaces.
INSTALLATION
(1) Apply MopartEngine RTV GEN II at the oil
pump to engine block parting line (Fig. 90).
(2) Install the oil pan gasket to the block.
(3) Install pan and tighten the screws to 12 N´m
(105 in. lbs.).
(4) Install air conditioning compressor bracket to
oil pan bolt.
(5) Install structural collar. (Refer to 9 - ENGINE/
ENGINE BLOCK/STRUCTURAL COVER - INSTAL-
LATION)
(6) Lower vehicle and fill engine crankcase with
proper oil to correct level.
OIL PUMP
REMOVAL
(1) Disconnect negative cable from battery.
(2) Remove timing belt. (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - REMOVAL)
(3) Remove timing belt rear cover. (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL)
(4) Remove oil pan. (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - REMOVAL)
(5) Remove crankshaft sprocket using Special
Tools 6793 and C-4685-C2 (Fig. 91).
(6) Remove crankshaft key (Fig. 92).
(7) Remove oil pick-up tube.
(8) Remove oil pump (Fig. 93) and front crankshaft
seal.
Fig. 89 Oil Filter
Fig. 90 Oil Pan Sealing - Typical
1 - SEALER LOCATIONS
9 - 52 ENGINE 2.4LRS
OIL FILTER (Continued)

can be inserted between cover and straight edge,
cover should be replaced.
(3) Measure thickness and diameter of outer rotor.
If outer rotor thickness measures 9.40 mm (0.370 in.)
or less (Fig. 98), or if the diameter is 79.95 mm
(3.148 in.) or less, replace outer rotor.
(4) If inner rotor measures 9.40 mm (0.370 in.) or
less replace inner rotor (Fig. 99).
Fig. 95 Oil Pump
1 - O-RING
2 - SEAL
3 - INNER ROTOR
4 - OIL PUMP COVER
5 - FASTENER
6 - OUTER ROTOR
7 - OIL PUMP BODY
Fig. 96 Oil Pump
1 - O-RING
2 - SEAL
3 - INNER ROTOR
4 - OIL PUMP COVER
5 - FASTENER
6 - OUTER ROTOR
7 - OIL PUMP BODY
Fig. 97 Checking Oil Pump Cover Flatness
1 - STRAIGHT EDGE
2 - FEELER GAUGE
3 - OIL PUMP COVER
Fig. 98 Measuring Outer Rotor Thickness
Fig. 99 Measuring Inner Rotor Thickness
9 - 54 ENGINE 2.4LRS
OIL PUMP (Continued)

(8) Remove vacuum lines for power brake booster,
LDP, EGR transducer, and speed control vacuum res-
ervoir (if equipped) at upper intake manifold fittings.
(9) Disconnect throttle, speed control (if equipped),
and transaxle control (31TH equipped only) cables
from throttle lever and bracket. (Refer to 14 - FUEL
SYSTEM/FUEL INJECTION/THROTTLE CONTROL
CABLE - REMOVAL)
(10) Remove the EGR tube. (Refer to 25 - EMIS-
SIONS CONTROL/EXHAUST GAS RECIRCULA-
TION/TUBE - REMOVAL)
(11) Remove the upper manifold support bracket
bolt to manifold (Fig. 107).
(12) Remove engine oil dipstick from tube.(13) Remove upper intake manifold bolts (Fig.
108). Remove upper intake manifold.
CAUTION: Cover intake manifold to prevent foreign
material from entering engine.
INSPECTION
(1) Check manifold surfaces for flatness with
straight edge. Surface must be flat within 0.15 mm
per 300 mm (0.006 in. per foot) of manifold length.
(2) Inspect manifold for cracks or distortion.
Replace manifold if necessary.
INSTALLATION
(1) Clean manifold sealing surfaces.
(2) Apply a 1.5 mm (0.060 in.) bead MopartGas-
ket Maker to the perimeter of the lower intake man-
ifold runner openings.
(3) Install upper intake manifold and tighten fas-
teners to 28 N´m (250 in. lbs.) in sequence shown in
(Fig. 108). Repeat this procedures until all fasteners
are at specified torque.
(4) Install engine oil dipstick.
(5) Install upper bolt in intake manifold to front
support bracket (Fig. 107). Torque to 28 N´m (250 in.
lbs.).
(6) Install EGR tube. (Refer to 25 - EMISSIONS
CONTROL/EXHAUST GAS RECIRCULATION/
TUBE - INSTALLATION)
(7) Install throttle cables in bracket.
(8) Connect throttle, speed control, (if equipped),
transaxle control (31TH equipped only) cables to
throttle lever.
Fig. 105 MAP SENSOR - 2.4L
1 - MAP SENSOR
Fig. 106 Throttle Body Electrical Connectors -
Typical
1 - IDLE AIR CONTROL MOTOR CONNECTOR
2 - TPS CONNECTOR
Fig. 107 Upper Intake Manifold Support Bracket
1 - NUT - BRACKET TO CYLINDER HEAD COVER
2 - BOLT - BRACKET TO UPPER INTAKE MANIFOLD
3 - UPPER INTAKE MANIFOLD SUPPORT BRACKET
RSENGINE 2.4L9-57
INTAKE MANIFOLD - UPPER (Continued)

(9) Connect vacuum lines for power brake booster,
LDP, EGR transducer, and speed control vacuum res-
ervoir (if equipped) at upper intake manifold fittings.
(10) Connect vacuum lines for purge solenoid and
PCV valve.
(11) Connect electrical connectors for MAP sensor,
throttle position sensor (TPS), and idle air control
(IAC) motor.
(12) Install air cleaner upper housing and air
intake tube to throttle body.
(13) Connect inlet air temperature sensor connec-
tor (Fig. 104).
(14) Connect negative cable to battery.
INTAKE MANIFOLD - LOWER
REMOVAL
(1) Perform fuel system pressure release proce-
durebefore attempting any repairs.(Refer to 14 -
FUEL SYSTEM/FUEL DELIVERY - STANDARD
PROCEDURE)
(2) Remove upper intake manifold. (Refer to 9 -
ENGINE/MANIFOLDS/INTAKE MANIFOLD -
REMOVAL)
CAUTION: Cover intake manifold openings to pre-
vent foreign material from entering engine.
(3) Disconnect fuel line. (Refer to 14 - FUEL SYS-
TEM/FUEL DELIVERY/QUICK CONNECT FIT-
TING - STANDARD PROCEDURE)
(4) Drain the cooling system. (Refer to 7 - COOL-
ING - STANDARD PROCEDURE)
(5) Remove heater supply and radiator upper
hoses at intake manifold.
(6) Disconnect coolant temperature sensor/fuel
injector wire harness connector.
(7) Remove lower intake manifold support bracket
bolts (Fig. 109).(8) Loosen the lower intake manfold support
bracket lower bolt (Fig. 109).
(9) Disconnect fuel injector harness.
(10) Remove the bolts attaching the power steering
reservoir to manifold. Set reservoir aside. Do not dis-
connect line
(11) Remove lower intake manifold fasteners (Fig.
110). Remove the manifold from engine.
(12) Inspect the manifold. (Refer to 9 - ENGINE/
MANIFOLDS/INTAKE MANIFOLD - INSPECTION)
INSPECTION
(1) Check manifold surfaces for flatness with
straight edge. Surface must be flat within 0.15 mm
per 300 mm (0.006 in. per foot) of manifold length.
(2) Inspect manifold for cracks or distortion.
Replace manifold if necessary.
INSTALLATION
If the following items were removed, install and
torque to specifications:
²Fuel rail bolts - 22 N´m (200 in. lbs.)
²Coolant outlet connector bolts - 28 N´m (250 in.
lbs.)
²Coolant temperature sensor - 7 N´m (60 in. lbs.)
(1) Position a new gasket on cylinder head and
install lower manifold.
(2) Install and tighten intake manifold fasteners to
28 N´m (250 in. lbs.) in the sequence shown in (Fig.
110). Repeat procedure until all bolts are at specified
torque.
(3) Install lower intake manifold support bracket
bolts (Fig. 109) and tighten to:
Fig. 108 Upper Intake Manifold Tightening Sequence
- 2.4L
Fig. 109 Lower Intake Manifold Support Bracket
1 - SUPPORT BRACKET
2 - BOLTS - UPPER TO MANIFOLD
3 - BOLT - LOWER TO ENGINE BLOCK
9 - 58 ENGINE 2.4LRS
INTAKE MANIFOLD - UPPER (Continued)

REMOVAL.............................114
INSTALLATION..........................115
CRANKSHAFT OIL SEAL - FRONT
REMOVAL.............................115
INSTALLATION..........................115
CRANKSHAFT OIL SEAL - REAR
REMOVAL.............................116
INSTALLATION..........................117
CRANKSHAFT REAR OIL SEAL RETAINER
REMOVAL.............................117
INSTALLATION..........................117
FLEX PLATE
REMOVAL.............................118
INSTALLATION..........................118
HYDRAULIC LIFTERS (CAM IN BLOCK)
DESCRIPTION..........................118
DIAGNOSIS AND TESTING................118
HYDRAULIC LIFTERS...................118
REMOVAL.............................119
INSTALLATION..........................119
PISTON & CONNECTING ROD
DESCRIPTION..........................119
OPERATION............................120
STANDARD PROCEDURE.................120
CONNECTING ROD AND BEARING -
FITTING.............................120
PISTON - FITTING.....................121
REMOVAL.............................121
INSTALLATION..........................122
PISTON RINGS
STANDARD PROCEDURE.................124
PISTON RING - FITTING................124
REMOVAL.............................124
INSTALLATION..........................125
VIBRATION DAMPER
REMOVAL.............................126
INSTALLATION..........................126
ENGINE MOUNTING
DESCRIPTION..........................127
FRONT MOUNT
REMOVAL.............................127
INSTALLATION..........................127
LEFT MOUNT
REMOVAL.............................128
INSTALLATION..........................128
REAR MOUNT
REMOVAL.............................129
INSTALLATION..........................130
RIGHT MOUNT
REMOVAL.............................130
INSTALLATION..........................131
LUBRICATION
DESCRIPTION..........................131
OPERATION............................131
DIAGNOSIS AND TESTING................131
ENGINE OIL PRESSURE................131OIL
STANDARD PROCEDURE.................132
ENGINE OIL CHANGE..................132
ENGINE OIL LEVEL CHECK..............133
OIL COOLER & LINES
DESCRIPTION..........................134
OPERATION............................134
REMOVAL.............................134
INSTALLATION..........................134
OIL FILTER
REMOVAL.............................135
INSTALLATION..........................135
OIL FILTER ADAPTER
REMOVAL.............................135
INSTALLATION..........................135
OIL PAN
REMOVAL.............................136
CLEANING.............................136
INSPECTION...........................136
INSTALLATION..........................136
OIL PRESSURE RELIEF VALVE
REMOVAL.............................137
INSTALLATION..........................137
OIL PRESSURE SENSOR/SWITCH
DESCRIPTION..........................137
OPERATION............................138
REMOVAL.............................138
INSTALLATION..........................138
OIL PUMP
DESCRIPTION..........................138
REMOVAL.............................138
DISASSEMBLY..........................138
CLEANING.............................138
INSPECTION...........................138
ASSEMBLY............................140
INSTALLATION..........................140
INTAKE MANIFOLD
DESCRIPTION..........................140
OPERATION............................141
DIAGNOSIS AND TESTING................141
INTAKE MANIFOLD LEAKS..............141
INTAKE MANIFOLD - UPPER 3.3L
STANDARD PROCEDURE.................141
MANIFOLD STRIPPED THREAD REPAIR....141
INTAKE MANIFOLD VACUUM PORT REPAIR . 142
REMOVAL.............................143
CLEANING.............................144
INSPECTION...........................144
INSTALLATION..........................144
INTAKE MANIFOLD - UPPER 3.8L
REMOVAL.............................145
CLEANING.............................146
INSPECTION...........................147
INSTALLATION..........................147
INTAKE MANIFOLD - LOWER
REMOVAL.............................148
CLEANING.............................148
9 - 72 ENGINE 3.3/3.8LRS

DIAGNOSIS AND TESTING - ENGINE
Engine diagnosis is helpful in determining the
causes of malfunctions not detected and remedied by
routine maintenance.
These malfunctions may be classified as either
mechanical (e.g., a strange noise), or performance
(e.g., engine idles rough and stalls).
Refer to the Engine Mechanical and the Engine
Performance diagnostic charts, for possible causes
and corrections of malfunctions (Refer to 9 - ENGINE
- DIAGNOSIS AND TESTING - MECHANICAL)
(Refer to 9 - ENGINE - DIAGNOSIS AND TESTING
- PERFORMANCE).
For fuel system diagnosis, (Refer to 14 - FUEL
SYSTEM/FUEL DELIVERY - DIAGNOSIS AND
TESTING).
Additional tests and diagnostic procedures may be
necessary for specific engine malfunctions that can-
not be isolated with the Service Diagnosis charts.
Information concerning additional tests and diagno-
sis is provided within the following:
²Cylinder Compression Pressure Test
²Cylinder Combustion Pressure Leakage Test
²Engine Cylinder Head Gasket Failure Diagnosis
²Intake Manifold Leakage Diagnosis
²Lash Adjuster (Tappet) Noise Diagnosis
²Engine Oil Leak Inspection
DIAGNOSIS AND TESTING - ENGINE PERFORMANCE
CONDITION POSSIBLE CAUSE CORRECTION
ENGINE WILL
NOT START1. Weak battery. 1. Test battery. Charge or replace as
necessary. (Refer to 8 - ELECTRICAL/
BATTERY SYSTEM - DIAGNOSIS AND
TESTING)
2. Corroded or loose battery connections. 2. Clean and tighten battery connections.
Apply a coat of light mineral grease to
terminals.
3. Faulty starter. 3. Test starting system. (Refer to 8 -
ELECTRICAL/STARTING - DIAGNOSIS
AND TESTING)
4. Faulty coil(s) or control unit. 4. Test and replace as needed. (Refer to
Appropriate Diagnostic Information)
5. Incorrect spark plug gap. 5. Set gap. (Refer to 8 - ELECTRICAL/
IGNITION CONTROL - SPECIFICATIONS)
6. Contamination in fuel system. 6. Clean system and replace fuel filter.
7. Faulty fuel pump. 7. Test fuel pump and replace as needed.
(Refer to Appropriate Diagnostic Information)
8. Incorrect engine timing. 8. Check for a skipped timing belt/chain.
Fig. 2 Engine Identification
9 - 74 ENGINE 3.3/3.8LRS
ENGINE 3.3/3.8L (Continued)