
DIAGNOSIS AND TESTING - ENGINE DIAGNOSIS - PERFORMANCE
CONDITION POSSIBLE CAUSE CORRECTION
ENGINE WILL NOT START 1. 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.
ENGINE STALLS OR IDLES
ROUGH1. Idle speed too low. 1. Test minimum air flow. (Refer to
Appropriate Diagnostic Information)
2. Incorrect fuel mixture. 2. (Refer to Appropriate Diagnostic
Information)
3. Intake manifold leakage. 3. Inspect intake manifold, manifold
gasket, and vacuum hoses.
4. Faulty ignition coil(s). 4. Test and replace as necessary.
(Refer to Appropriate Diagnostic
Information)
9 - 4 ENGINE 2.4LRS
ENGINE 2.4L (Continued)
ProCarManuals.com

REMOVAL - ENGINE ASSEMBLY
(1) Perform fuel pressure release procedure (Refer
to 14 - FUEL SYSTEM/FUEL DELIVERY - STAN-
DARD PROCEDURE)
(2) Disconnect battery negative cable.
(3) Remove air cleaner housing and inlet tube.
(4) Disconnect the fuel line from fuel rail. (Refer to
14 - FUEL SYSTEM/FUEL DELIVERY/FUEL LINES
- STANDARD PROCEDURE)
(5) Disconnect all vacuum hoses.
(6) Drain cooling system. (Refer to 7 - COOLING -
STANDARD PROCEDURE)
(7) Remove radiator fans. (Refer to 7 - COOLING/
ENGINE/RADIATOR FAN - REMOVAL)
(8) Remove radiator upper and lower hoses.
NOTE: When the transaxle cooler lines are removed
from the rolled-groove type fittings at the transaxle,
damage to the inner wall of the hose will occur. To
prevent prevent potential leakage, the cooler hoses
must be cut off flush at the transaxle fitting, and a
service cooler hose splice kit must be installed
upon reassembly.(9) Using a blade or suitable hose cutter, cut trans-
axle oil cooler lines off flush with fittings. Plug cooler
lines and fittings to prevent debris from entering
transaxle or cooler circuit. A service splice kit will be
installed upon reassembly.
(10) Disconnect transmission shift linkage and
electrical connectors.
(11) Disconnect throttle body linkage.
(12) Disconnect engine wiring harness.
(13) Disconnect heater hoses from heater (Fig. 5).
(14) Discharge air conditioning system. (Refer to
24 - HEATING & AIR CONDITIONING/PLUMBING
- STANDARD PROCEDURE)
(15) Hoist vehicle and remove front wheels and
tires.
(16) Remove accessory drive belt splash shield.
(17) Remove accessory drive belts. (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL)
Fig. 5 HEATER HOSES - 2.4L
1 - HEATER HOSES TO HEATER 3 - HEATER HOSE TO ENGINE - SUPPLY AND RETURN
2 - BOLT - HEATER TUBE SUPPORT
RSENGINE 2.4L9-13
ENGINE 2.4L (Continued)
ProCarManuals.com

INSTALLATION - ENGINE ASSEMBLY
(1) Position engine and transmission assembly
under vehicle and slowly lower the vehicle over the
engine and transmission.
(2) Align engine and transmission mounts to
attaching points. Install mounting bolts at the right
(Fig. 9) and left mounts (Fig. 10).
(3) Remove safety straps.
(4) Slowly raise vehicle enough to remove the
engine dolly and cradle Special Tools 6135 and 6710.
(5) Install rear mount bracket and rear mount
through bolt. (Refer to 9 - ENGINE/ENGINE
MOUNTING/REAR MOUNT - INSTALLATION)
(6) Install the flex plate to torque converter bolts.
(7) Install structural collar. (Refer to 9 - ENGINE/
ENGINE BLOCK/STRUCTURAL COVER - INSTAL-
LATION)
(8) Install front mount bracket and front mount
through bolt. (Refer to 9 - ENGINE/ENGINE
MOUNTING/FRONT MOUNT - INSTALLATION)
(9) Connect exhaust system to manifold (Fig. 7).
(10) Install crossmember cradle plate (Fig. 6).
(11) Install new oil filter.
(12) Install power steering pump and bracket.
(13) Connect power steering supply line to pump
and remove pinch-off pliers.(14) Connect A/C compressor hoses to compressor.
(15) Install accessory drive belts. (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION)
(16) Install axle shafts. (Refer to 3 - DIFFEREN-
TIAL & DRIVELINE/HALF SHAFT - INSTALLA-
TION)
(17) Install accessory drive belt splash shield.
(18) Install front wheels and tires.
(19) Remove plugs from transmission cooler hoses
and install transaxle oil cooler line service splice kit.
Refer to instructions included with kit.
(20) Connect the transaxle shift linkage and elec-
trical connectors.
(21) Connect heater hoses (Fig. 5).
(22) Install ground straps.
(23) Connect all engine and throttle body electrical
connections.
(24) Connect all vacuum lines.
(25) Connect the throttle cables.
(26) Connect the fuel line. (Refer to 14 - FUEL
SYSTEM/FUEL DELIVERY/QUICK CONNECT FIT-
TING - STANDARD PROCEDURE)
(27) Connect radiator lower and upper hoses.
(28) Install radiator fans. (Refer to 7 - COOLING/
ENGINE/RADIATOR FAN - INSTALLATION)
(29) Fill cooling system. (Refer to 7 - COOLING -
STANDARD PROCEDURE)
(30) Connect battery cables.
(31) Install air cleaner and inlet hose.
(32) Fill engine crankcase with proper oil to cor-
rect level.
Fig. 9 RIGHT MOUNT TO RAIL AND ENGINE
1 - BOLT - MOUNT TO RAIL 68 N´m (50 ft. lbs.)
2 - BOLT - MOUNT TO ENGINE 54 N´m (40 ft. lbs.)
3 - BOLT - MOUNT TO RAIL (HORIZONTAL) 68 N´m (50 ft. lbs.)
4 - RIGHT ENGINE MOUNT
5 - RIGHT FRAME RAIL
Fig. 10 LEFT MOUNT TO FRAME BRACKET
1 - FRAME BRACKET
2 - FRAME RAIL - LEFT
3 - BOLT
4 - TRANSAXLE MOUNT
9 - 16 ENGINE 2.4LRS
ENGINE 2.4L (Continued)
ProCarManuals.com

(2) Position cylinder head gasket on engine block
(Fig. 18).
(3) Install cylinder head on engine block.
(4) Tighten the cylinder head bolts in the sequence
shown in (Fig. 19). Using the 4 step torque turn
method, tighten according to the following values:
²First All to 34 N´m (25 ft. lbs.)
²Second All to 68 N´m (50 ft. lbs.)
²Third All to 68 N´m (50 ft. lbs.)
CAUTION: Do not use a torque wrench for the fol-
lowing step.
²Fourth Turn an additional 1/4 Turn,
(5) Install rocker arms. (Refer to 9 - ENGINE/
CYLINDER HEAD/ROCKER ARMS - INSTALLA-
TION)
(6) Install camshafts. (Refer to 9 - ENGINE/CYL-
INDER HEAD/CAMSHAFT(S) - INSTALLATION).
(7) Install cylinder head cover. (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - INSTALLATION)(8) Install timing belt rear cover and timing belt
idler pulley. (Refer to 9 - ENGINE/VALVE TIMING/
TIMING BELT / CHAIN COVER(S) - INSTALLA-
TION)
(9) Install timing belt and camshaft sprockets.
(Refer to 9 - ENGINE/VALVE TIMING/TIMING
BELT/CHAIN AND SPROCKETS - INSTALLATION)
(10) Connect cam sensor and fuel injectors wiring
connectors.
(11) Install ignition coil and wires. Connect igni-
tion coil wiring connector.
(12) Install power steering pump reservoir and
line support bracket to cylinder head.
(13) Raise vehicle and install the exhaust pipe to
the manifold.
(14) Install accessory drive belts. (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION)
(15) Install heater tube support bracket to cylinder
head.
(16) Connect radiator upper and heater hoses to
intake manifold water outlet connections.
(17) Install upper intake manifold. (Refer to 9 -
ENGINE/MANIFOLDS/INTAKE MANIFOLD -
INSTALLATION)
(18) Using new gaskets, install EGR tube and
tighten fasteners to 11 N´m (95 in. lbs.).
(19) Install air inlet tube and housing.
(20) Connect all vacuum lines, electrical wiring,
ground straps and fuel line.
(21) Fill cooling system. (Refer to 7 - COOLING -
STANDARD PROCEDURE)
(22) Connect battery negative cable.
CAMSHAFT OIL SEAL(S)
REMOVAL
(1) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT AND SPROCKETS -
REMOVAL).
Fig. 17 Checking Bolts for Stretching (Necking)
1 - STRETCHED BOLT
2 - THREADS ARE NOT STRAIGHT ON LINE
3 - THREADS ARE STRAIGHT ON LINE
4 - UNSTRETCHED BOLT
Fig. 18 Cylinder Head Gasket Positioning
1 - PART NUMBER FACES UP
2 - NO. 1 CYLINDER
Fig. 19 Cylinder Head Tightening Sequence
RSENGINE 2.4L9-27
CYLINDER HEAD (Continued)
ProCarManuals.com

STANDARD PROCEDURE - MEASURING
CAMSHAFT END PLAY
(1) Oil camshaft journals and install camshaft
WITHOUTrocker arms. Install rear cam caps and
tighten screws to specified torque.
(2) Using a suitable tool, move camshaft as far
rearward as it will go.
(3) Zero dial indicator (Fig. 24).
(4) Move camshaft as far forward as it will go.
(5) Record reading on dial indicator. For end play
specification, (Refer to 9 - ENGINE - SPECIFICA-
TIONS).
(6) If end play is excessive, check cylinder head
and camshaft for wear; replace as necessary.
REMOVAL
(1) Remove cylinder head cover (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER - REMOVAL).
(2) Remove camshaft position sensor and camshaft
target magnet (Refer to 8 - ELECTRICAL/IGNITION
CONTROL/CAMSHAFT POSITION SENSOR -
REMOVAL).
(3) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT AND SPROCKETS -
REMOVAL).(4) Remove camshaft sprockets and timing belt
rear cover (Refer to 9 - ENGINE/VALVE TIMING/
TIMING BELT COVER(S) - REMOVAL).
(5) Bearing caps are identified for location.
Remove the outside bearing caps first (Fig. 25).
(6) Loosen the camshaft bearing cap attaching
fasteners in sequence shown (Fig. 26) one camshaft
at a time.
CAUTION: Camshafts are not interchangeable. The
intake cam number 6 thrust bearing face spacing is
wider.
(7) Identify the camshafts before removing from
the head. The camshafts are not interchangeable.
(8) Remove camshafts from cylinder head.
NOTE: If removing rocker arms, identify for reinstal-
lation in the original position.
CLEANING
Clean camshaft with a suitable solvent.
Fig. 23 Camshafts
1 - CAMSHAFT BEARING CAPS
2 - PLUG
3 - CAMSHAFT
4 - CYLINDER HEAD
5 - CAMSHAFT OIL SEAL
Fig. 24 Camshaft End Play - Typical
Fig. 25 Camshaft Bearing Cap Identification
RSENGINE 2.4L9-29
CAMSHAFT(S) (Continued)
ProCarManuals.com

RIGHT MOUNT
REMOVAL
(1) Remove air cleaner housing lid and clean air
hose from throttle body.
(2) Remove air cleaner element and housing.
(3) Disconnect make-up air hose from cylinder
head cover.
(4) Remove the load on the right engine mount by
carefully supporting the engine assembly with a floor
jack.
(5) Disconnect electrical harness support clips from
engine mount bracket.
(6) Remove the vertical bolts attaching the engine
mount to the frame rail (Fig. 84).
(7) Loosen the horizontal bolt attaching the engine
mount to the frame rail (Fig. 84).
(8) Remove the bolts attaching the engine mount
to the engine bracket (Fig. 84).
(9) Remove the right engine mount (Fig. 84).
INSTALLATION
(1) Position right engine mount and install frame
rail to mount vertical bolts (Fig. 84).
(2) Tighten engine right mount to rail horizontal
bolt (Fig. 84).
(3) Install mount to engine bracket bolts (Fig. 84).
(4) Connect electrical harness support clips to
engine mount bracket.
(5) Remove jack from under engine.
(6) Connect make-up air hose to cylinder head
cover.
(7) Install air cleaner housing and element.
(8) Install air cleaner housing lid and clean air
tube to throttle body.
Fig. 83 REAR MOUNT BRACKET - (all engines)
1 - BOLT - VERTICAL 102 N´m (75 ft. lbs.)
2 - BRACKET - REAR MOUNT
3 - BOLT - HORIZONTAL 102 N´m (75 ft. lbs.)
RSENGINE 2.4L9-51
REAR MOUNT (Continued)
ProCarManuals.com

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. 88).
(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 PRESSURE SWITCH
REMOVAL
(1) Raise vehicle.
(2) Position oil collecting container under pressure
switch location.
(3) Disconnect oil pressure switch electrical con-
nector and remove switch (Fig. 89).
INSTALLATION
(1) Install oil pressure switch. Torque switch to 21
N´m (190 in. lbs.) (Fig. 89).
(2) Connect electrical connector
(3) Lower vehicle.
(4) Start engine and allow to run a minimum of 2
minutes.
(5) Shut engine off and check engine oil level.
Adjust level as necessary.
Fig. 87 Oil Filter
Fig. 88 Oil Pan Sealing - Typical
1 - SEALER LOCATIONS
Fig. 89 Engine Oil Pressure Switch
9 - 54 ENGINE 2.4LRS
OIL FILTER (Continued)
ProCarManuals.com

(9) Disconnect throttle and speed control (if
equipped) 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. 105).
(12) Remove engine oil dipstick from tube.
(13) Remove upper intake manifold bolts (Fig.
106). 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. 106). 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. 105). 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 and speed control (if equipped)
cables to throttle lever.
(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. 102).
(14) Connect negative cable to battery.
Fig. 104 Throttle Body Electrical Connectors -
Typical
1 - IDLE AIR CONTROL MOTOR CONNECTOR
2 - TPS CONNECTOR
Fig. 105 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
Fig. 106 Upper Intake Manifold Tightening Sequence
- 2.4L
RSENGINE 2.4L9-59
INTAKE MANIFOLD - UPPER (Continued)
ProCarManuals.com