2004 CHRYSLER VOYAGER Service Manual

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Page 1361 of 2585

CHRYSLER VOYAGER 2004 Service Manual CAUTION: When aligning crankshaft and camshaft
timing marks always rotate engine from crankshaft.
Camshaft should not be rotated after timing belt is
removed. Damage to valve components may occur.
Alw

CAUTION: When aligning crankshaft and camshaft
timing marks always rotate engine from crankshaft.
Camshaft should not be rotated after timing belt is
removed. Damage to valve components may occur.
Always align timing marks before removing timing
belt.
(14) Before the removal of the timing belt, rotate
crankshaft until the TDC mark on oil pump housing
aligns with the TDC mark on crankshaft sprocket
(trailing edge of sprocket tooth) (Fig. 116).
NOTE: The crankshaft sprocket TDC mark is
located on the trailing edge of the sprocket tooth.
Failure to align trailing edge of sprocket tooth to
TDC mark on oil pump housing will cause the cam-
shaft timing marks to be misaligned.
(15) Loosen timing belt tensioner lock bolt (Fig.
117).
(16) Inserta6mmAllen wrench into the hexagon
opening located on the top plate of the belt tensioner
pulley (Fig. 117). Rotate the top plateCLOCKWISE
until there is enough slack in timing belt to allow for
removal.
(17) Remove timing belt.CAUTION: If timing belt was damaged due to incor-
rect tracking (alignment), the belt tensioner pulley
and bracket must be replaced as an assembly
(Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT
TENSIONER & PULLEY - REMOVAL).
REMOVAL - CAMSHAFT SPROCKETS
(1) Disconnect negative battery cable.
(2) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT AND SPROCKETS -
REMOVAL).
(3) Hold camshaft sprockets with Special Tool 6847
while removing center bolts (Fig. 118).
REMOVAL - CRANKSHAFT SPROCKET
(1) Disconnect negative battery cable.
(2) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT AND SPROCKETS -
REMOVAL).
(3) Remove crankshaft sprocket using Special
Tools 6793 and insert C-4685-C2 (Fig. 119).
CLEANING
Do Not attempt to clean a timing belt. If contami-
nation from oil, grease, or coolants have occurred, the
timing belt should be replaced.
Clean all sprockets using a suitable solvent. Clean
all sprocket grooves of any debris.
Fig. 116 Crankshaft and Camshaft Timing
1 - CAMSHAFT TIMING MARKS
2 - CRANKSHAFT TDC MARKS
3 - TRAILING EDGE OF SPROCKET TOOTH
Fig. 117 Timing Belt Tensioner
1 - LOCK BOLT
2 - TOP PLATE
9 - 64 ENGINE 2.4LRS
TIMING BELT AND SPROCKET(S) (Continued)

Page 1362 of 2585

CHRYSLER VOYAGER 2004 Service Manual INSTALLATION
INSTALLATION - CRANKSHAFT SPROCKET
CAUTION: The crankshaft sprocket is set to a pre-
determined depth from the factory for correct tim-
ing belt tracking. If removed, use of Special Tool

INSTALLATION
INSTALLATION - CRANKSHAFT SPROCKET
CAUTION: The crankshaft sprocket is set to a pre-
determined depth from the factory for correct tim-
ing belt tracking. If removed, use of Special Tool
6792 is required to set the sprocket to original
installation depth. An incorrectly installed sprocket
will result in timing belt and engine damage.
(1) Install crankshaft sprocket using Special Tool
6792 (Fig. 120).
(2) Install timing belt. (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION)
INSTALLATION - CAMSHAFT SPROCKETS
(1) Install camshaft sprockets. Hold camshaft
sprockets with Special Tool 6847 while tightening
center bolts to 115 N´m (85 ft. lbs.) (Fig. 118).
(2) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT AND SPROCKETS -
INSTALLATION).
(3) Connect negative battery cable.
INSTALLATION - TIMING BELT
(1) Set crankshaft sprocket to TDC by aligning the
sprocket with the arrow on the oil pump housing.
(2) Set camshafts timing marks so that the
exhaust camshaft sprocket is a 1/2 notch below the
intake camshaft sprocket (Fig. 121).
CAUTION: Ensure that the arrows on both camshaft
sprockets are facing up.
(3) Install timing belt. Starting at the crankshaft,
go around the water pump sprocket, idler pulley,
camshaft sprockets and then around the tensioner
(Fig. 122).
(4) Move the exhaust camshaft sprocket counter-
clockwise (Fig. 122) to align marks and take up belt
slack.
(5) Inserta6mmAllen wrench into the hexagon
opening located on the top plate of the belt tensioner
pulley. Rotate the top plateCOUNTERCLOCK-
WISE. The tensioner pulley will move against the
belt and the tensioner setting notch will eventually
start to move clockwise. Watching the movement of
the setting notch, continue rotating the top plate
counterclockwise until the setting notch is aligned
with the spring tang (Fig. 123). Using the allen
wrench to prevent the top plate from moving, torque
the tensioner lock bolt to 25 N´m (220 in. lbs.). Set-
Fig. 118 Camshaft Sprocket - Removal/Installation
1 - SPECIAL TOOL 6847
Fig. 119 Crankshaft Sprocket - Removal
1 - SPECIAL TOOL 6793
2 - SPECIAL TOOL C-4685±C2
3 - CRANKSHAFT SPROCKET
Fig. 120 Crankshaft Sprocket - Installation
1 - SPECIAL TOOL 6792
2 - TIGHTEN NUT TO INSTALL
RSENGINE 2.4L9-65
TIMING BELT AND SPROCKET(S) (Continued)

Page 1363 of 2585

CHRYSLER VOYAGER 2004 Service Manual ting notch and spring tang should remain aligned
after lock nut is torqued.
(6) Remove allen wrench and torque wrench.
NOTE: Repositioning the crankshaft to the TDC
position must be done only during t

Page 1364 of 2585

CHRYSLER VOYAGER 2004 Service Manual (8) Check if the spring tang is within the tolerance
window (Fig. 125). If the spring tang is within the
tolerance window, the installation process is complete
and nothing further is required. If the

Page 1365 of 2585

CHRYSLER VOYAGER 2004 Service Manual TIMING BELT TENSIONER &
PULLEY
REMOVAL
(1) Remove the timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT AND SPROCKETS -
REMOVAL).
(2) Remove timing belt idler pulley (Fig. 126).
(3) Hold cams

Page 1366 of 2585

CHRYSLER VOYAGER 2004 Service Manual INSTALLATION
(1) Align timing belt tensioner assembly to engine
and install lower mounting boltbut do not tighten
(Fig. 129). To properly align tensioner assemblyÐin-
stall one of the engine bracket

INSTALLATION
(1) Align timing belt tensioner assembly to engine
and install lower mounting boltbut do not tighten
(Fig. 129). To properly align tensioner assemblyÐin-
stall one of the engine bracket mounting bolts (M10)
5 to 7 turns into the tensioner's upper mounting loca-
tion (Fig. 129).
(2) Torque the tensioner's lower mounting bolt to
61 N´m (45 ft. lbs.). Remove the upper bolt used for
tensioner alignment.
(3) Install rear timing belt cover and fasteners.
Torque fasteners to values specified in (Fig. 128).
(4) Install timing belt idler pulley and torque
mounting bolt to 61 N´m (45 ft. lbs.) (Fig. 126).
(5) Install camshaft sprockets. Use Special Tool
6847 to hold sprockets (Fig. 127), torque bolts to 101
N´m (75 ft. lbs.).
(6) Install the timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT AND SPROCKETS -
INSTALLATION).
BALANCE SHAFTS AND
CARRIER ASSEMBLY
DESCRIPTION
The 2.4L engine is equipped with two nodular cast
iron balance shafts installed in a cast aluminum car-
rier attached to the lower cylinder block (Fig. 130).
OPERATION
The balance shafts are driven by the crankshaft
via a roller chain and sprockets. The balance shafts
are connected by helical gears. The dual counter
rotating shafts decrease second order vertical shak-
ing forces caused by component movement.
REMOVAL
BALANCE SHAFTS/CHAIN/SPROCKETS
NOTE: For service procedures requiring only tem-
porary relocation of carrier assembly refer to BAL-
ANCE SHAFT CARRIER procedure below.
(1) Drain engine oil.
(2) Remove the oil pan and pick-up tube (Refer to
9 - ENGINE/LUBRICATION/OIL PAN - REMOVAL).
(3) If replacing crankshaft sprocket, remove oil
pump (Refer to 9 - ENGINE/LUBRICATION/OIL
PUMP - REMOVAL).
(4) Remove chain cover, guide and tensioner (Fig.
131).
(5) Remove screw retaining balance shaft drive
sprocket (Fig. 132). Remove chain and sprocket.
(6) Using two wide pry bars, work the crankshaft
sprocket back and forth until it is off the crankshaft-
shaft.
(7) Remove gear cover retaining stud (double
ended to also retain chain guide). Remove cover and
balance shaft gears (Fig. 133).
(8) Remove rear cover and balance shafts (Fig.
134).
(9) Remove four carrier to crankcase attaching
bolts to separate carrier from engine bedplate.
Fig. 129 Timing Belt Tensioner/Bracket Assembly
1 - BOLT
2 - TENSIONER ASSEMBLY
3 - BOLT-INSTALL FOR PROPER ALIGNMENT
RSENGINE 2.4L9-69
TIMING BELT TENSIONER & PULLEY (Continued)

Page 1367 of 2585

CHRYSLER VOYAGER 2004 Service Manual BALANCE SHAFT CARRIER
The following components will remain intact dur-
ing carrier removal: Gear cover, gears, balance shafts
and the rear cover (Fig. 130).
(1) Drain engine oil.
(2) Remove the oil pa

Page 1368 of 2585

CHRYSLER VOYAGER 2004 Service Manual Fig. 131 Chain Cover, Guide and Tensioner
1 - STUD
2 - TENSIONER (ADJUSTER)
3 - GEAR COVER
4 - ADJUST SCREW
5 - PIVOT SCREW
6 - CHAIN COVER (CUTAWAY)
7 - GUIDE
Fig. 132 Drive Chain and Sprockets
1 - N

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