Dodge Dakota (R1). Manual — part 479
VIBRATION DAMPER
REMOVAL
(1) Disconnect the negative cable from the battery.
(2) Remove fan, and fan drive (Refer to 7 - COOL-
ING/ENGINE/FAN DRIVE VISCOUS CLUTCH -
REMOVAL).
(3) Remove the accessory drive belt (Refer to 7 -
COOLING/ACCESSORY
DRIVE/DRIVE
BELTS
-
REMOVAL).
(4) Remove the vibration damper pulley.
(5) Remove vibration damper bolt and washer from
end of crankshaft.
(6) Install bar and screw from Puller Tool Set
C-3688. Install two bolts with washers through the
puller tool and into the vibration damper (Fig. 47).
(7) Pull vibration damper off of the crankshaft.
INSTALLATION
(1) Position the vibration damper onto the crank-
shaft.
(2) Place installing tool, part of Puller Tool Set
C-3688, in position and press the vibration damper
onto the crankshaft (Fig. 48).
(3) Install the crankshaft bolt and washer. Tighten
the bolt to 244 N·m (180 ft. lbs.) torque.
(4) Install the crankshaft pulley. Tighten the pul-
ley bolts to 23 N·m (200 in. lbs.) torque.
(5) Install the serpentine belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
(6) Install viscous fan drive and fan (Refer to 7 -
COOLING/ENGINE/FAN
DRIVE
VISCOUS
CLUTCH - INSTALLATION).
(7) Install the fan shroud.
(8) Connect the negative cable to the battery.
FRONT MOUNT
REMOVAL
2WD
(1) Disconnect the negative cable from the battery.
(2) Raise hood and position fan to assure clearance
for radiator top tank and hose.
CAUTION: DO NOT lift the engine by the intake
manifold.
(3) Install engine lifting fixture.
(4) Raise vehicle on hoist.
(5) Remove the insulator through bolt (Fig. 49)
(Fig. 50) (Fig. 51).
(6) Raise engine with lifting fixture SLIGHTLY.
Remove insulator retaining bolts and remove the
insulator assembly.
(7) Remove insulator heat shield and transfer to
new insulator.
4WD
On 4-WD vehicles the engine front support brack-
ets attach directly to engine block and the axle hous-
ing. The brackets provide a solid interconnection for
these units (Fig. 52) (Fig. 53). Engine and front axle
must be supported during any service procedures
involving the front support assemblies.
(1) Disconnect the negative cable from the battery.
(2) Raise vehicle on hoist.
(3) Install engine lifting (support) fixture.
(4) Remove front axle.(Refer to 3 - DIFFEREN-
TIAL & DRIVELINE/FRONT AXLE - C205F -
REMOVAL).
Fig. 47 Vibration Damper Assembly
1 - SPECIAL TOOL C-3688
Fig. 48 Installing Vibration Damper
1 - SPECIAL TOOL C-3688
9 - 104
ENGINE 3.9L
AN
(5) Left mount insulator only. Remove starter
wires and starter motor assembly.
(6) Remove insulator to frame throught bolt (Fig.
54).
(7) Raise engine slightly.
(8) Remove upper insulator to support bracket
stud nut and insulator to support through bolt.
(9) Remove engine mount insulator. (Fig. 52) (Fig.
53).
(10) If engine support bracket is to be removed/re-
placed, remove support bracket to transmission bell
housing bolt(s) and three (3) support bracket to
engine block bolts. Remove support bracket (Fig. 52)
(Fig. 53).
Fig. 49 Engine Right Front Insulator Mount—2WD
Vehicles
1 - HEAT SHIELD
2 - INSULATOR
Fig. 50 Engine Left Front Insulator Mount—2WD
Vehicles
1 - HEAT SHIELD
2 - INSULATOR
Fig. 51 Engine Mount Insulator at Frame
1 - NUT
2 - INSULATOR
3 - FRAME
4 - THROUGH BOLT
AN
ENGINE 3.9L
9 - 105
FRONT MOUNT (Continued)
INSTALLATION
2WD
(1) With the engine raised SLIGHTLY, position
insulator assembly onto the engine block and install
bolts (Fig. 46) (Fig. 47). Tighten the bolts to 41 N·m
(30 ft. lbs.) torque.
(2) Lower engine with lifting fixture while guiding
insulator assembly into the engine insulator bracket
(Fig. 48).
(3) Install insulator to bracket thru-bolt. Tighten
the thru-bolt nut to 68 N·m (50 ft. lbs.) torque.
(4) Remove lifting fixture.
(5) Connect the negative cable to the battery.
4WD
(1) If engine support brackets were removed, intall
them and their fasteners (Fig. 52) (Fig. 53). Tighten
support bracket to block bolts to 41 N·m (30 ft. lbs.).
Tighten support bracket to transmission bellhousing
bolt(s) to 88 N·m (65 ft. lbs.)
(2) Install Engine mount insulator and tighten
insulator to support bracket nut to 41 N·m (30 ft.
lbs.). Tighten insulator to support bracket through
bolt nut to 102 N·m (75 ft. lbs.)
(3) Lower engine and install insulator to frame
through bolt and nut (Fig. 54). Tighten nut to 95 N·m
(70 ft. lbs.)
(4) Install
starter
motor
and
mounting
bolts.
Tighten bolts to 68 N·m (50 ft. lbs.)
(5) Connect starter wires.
(6) Remove engine lifting (support) fixture.
(7) Install front axle assembly (Refer to 3 - DIF-
FERENTIAL & DRIVELINE/FRONT AXLE - C205F
- INSTALLATION).
(8) Lower the vehicle.
(9) Connect the negative cable to the battery.
Fig. 52 Right Engine Mount Insulator and Support
Bracket—4WD Vehicles
1 - ENGINE SUPPORT BRACKET
2 - INSULATOR
3 - FRONT AXLE
Fig. 53 Left Engine Mount Insulator and Support
Bracket—4WD Vehicles
1 - ENGINE SUPPORT BRACKET
2 - INSULATOR
3 - FRONT AXLE
9 - 106
ENGINE 3.9L
AN
FRONT MOUNT (Continued)
REAR MOUNT
REMOVAL
2WD
(1) Disconnect the negative cable from the battery.
(2) Raise the vehicle on a hoist.
(3) Support the transmission with a jack.
NOTE: AUTOMATIC TRANSMISSION
• Remove engine support bracket—insulator thru-
bolt (Fig. 55).
• Raise the transmission and engine slightly.
• Remove stud nuts attaching insulator to cross-
member (Fig. 55). Remove insulator.
NOTE: MANUAL TRANSMISSION
• Remove the stud nuts attaching the insulator to
the transmission extension (Fig. 56).
• Raise the transmission and engine slightly.
• Remove stud nuts attaching insulator to cross-
member (Fig. 56). Remove insulator.
4WD
(1) Disconnect the negative cable from the battery.
(2) Raise the vehicle on a hoist.
(3) Support the transmission with a transmission
jack.
NOTE: AUTOMATIC TRANSMISSION
• Remove stud nuts holding the insulator to the
crossmember (Fig. 57).
• Raise rear of transmission SLIGHTLY.
• Remove bolts holding the insulator to the insu-
lator bracket (Fig. 57). Remove the insulator.
NOTE: MANUAL TRANSMISSION
• Remove stud nuts holding the insulator to the
crossmember (Fig. 58).
• Raise rear of transmission SLIGHTLY.
• Remove bolts holding the insulator to the trans-
mission (Fig. 58). Remove the insulator.
Fig. 54 Engine Mount
1 - NUT
2 - ENGINE SUPPORT BRACKET
3 - INSULATOR
4 - NUT
5 - THROUGH BOLT
6 - FRAME
7 - FRONT AXLE
Fig. 55 Rear Insulator Automatic Transmission—
2WD
1 - ENGINE SUPPORT BRACKET
2 - THROUGH BOLT
3 - CROSSMEMBER
4 - INSULATOR
5 - TRANSMISSION EXTENSION
AN
ENGINE 3.9L
9 - 107
REAR MOUNT (Continued)
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