Content .. 702 703 704 705 ..

Chrysler Pacifica. Manual - part 704

(11) Install the timing chain cover (Refer to 9 -

ENGINE/VALVE TIMING/TIMING CHAIN COVER -
INSTALLATION).

(12) Install the oil pick-up tube and oil pan (Refer

to 9 - ENGINE/LUBRICATION/OIL PAN - INSTAL-
LATION).

(13) Install the transaxle to the engine.
(14) Install the engine assembly (Refer to 9 -

ENGINE - INSTALLATION).

CRANKSHAFT OIL SEAL -
FRONT

REMOVAL

(1) Disconnect negative cable from battery.
(2) Raise vehicle on hoist. Remove right wheel and

inner splash shield.

(3) Remove accessory drive belt. (Refer to 7 -

COOLING/ACCESSORY

DRIVE/DRIVE

BELTS

REMOVAL)

(4) Remove crankshaft damper. (Refer to 9 -

ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
REMOVAL)

(5) Position Special Tool 6341A on crankshaft nose.

Carefully screw the tool into the seal until it engages
firmly (Fig. 102). Be careful not to damage that
crankshaft seal surface of cover

(6) Remove oil seal by turning the forcing screw

until the seal disengages from the cover (Fig. 103).

Fig. 101 CRANKSHAFT AND BLOCK - 3.8L

1 - MAIN BEARING CAP No. 4
2 - MAIN BEARING CAP No. 3
3 - MAIN BEARING CAP No. 2
4 - MAIN BEARING CAP BOLT
5 - MAIN BEARING CAP No. 1
6 - THRUST MAIN BEARING - LOWER
7 - THRUST MAIN BEARING - UPPER
8 - MAIN BEARING CAP CROSS BOLT
9 - ENGINE BLOCK
10 - MAIN BEARING - UPPER
11 - CRANKSHAFT
12 - MAIN BEARING - LOWER

Fig. 102 ENGAGETOOL ON FRONT SEAL

1 - SEAL
2 - SPECIAL TOOL 6341A

Fig. 103 CRANKSHAFT FRONT SEAL REMOVAL

1 - SEAL
2 - SPECIAL TOOL 6341A

ENGINE 3.8L

9 - 171

CRANKSHAFT (Continued)

INSTALLATION

(1) Position Special Tool C-4992-2 Guide, on the

crankshaft nose (Fig. 104).

(2) Position new seal over the guide with the seal

spring in the direction of the engine front cover (Fig.
104).

(3) Install seal using Special Tool C-4992-1 until

seal is flush with cover. (Fig. 104).

(4) Install

crankshaft

damper.

(Refer

ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
INSTALLATION)

(5) Install accessory drive belt. (Refer to 7 - COOL-

ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION)

(6) Install inner splash shield and right front

wheel.

(7) Lower vehicle and connect negative cable to

battery.

CRANKSHAFT OIL SEAL -
REAR

REMOVAL

(1) Remove

the

transmission

(Refer

TRANSMISSION/TRANSAXLE/AUTOMATIC - 41TE
- REMOVAL).

(2) Remove the flex plate. (Refer to 9 - ENGINE/

ENGINE BLOCK/FLEX PLATE - REMOVAL)

(3) Insert a 3/16 flat bladed pry tool between the

dust lip and the metal case of the crankshaft seal.
Angle the pry tool (Fig. 105) through the dust lip
against metal case of the seal. Pry out seal.

CAUTION: Do not permit the pry tool blade to con-
tact crankshaft seal surface. Contact of the pry tool
blade against crankshaft edge (chamfer) is permit-
ted.

Fig. 104 CRANKSHAFT FRONT SEAL

INSTALLATION

1 - SPECIAL TOOL C-4992-1
2 - SEAL
3 - SPECIAL TOOL C-4992-2
4 - CRANKSHAFT

Fig. 105 Rear Crankshaft Oil Seal - Removal

1 - REAR CRANKSHAFT SEAL
2 - ENGINE BLOCK
3 - ENGINE BLOCK
4 - REAR CRANKSHAFT SEAL METAL CASE
5 - PRY IN THIS DIRECTION
6 - CRANKSHAFT
7 - SCREWDRIVER
8 - REAR CRANKSHAFT SEAL DUST LIP
9 - SCREWDRIVER

9 - 172

ENGINE 3.8L

CRANKSHAFT OIL SEAL - FRONT (Continued)

INSTALLATION

CAUTION: If burr or scratch is present on the
crankshaft edge (chamfer), cleanup with 400 grit
sand paper to prevent seal damage during installa-
tion of new seal.

(1) Place Special Tool 6926-1 magnetic pilot tool on

crankshaft (Fig. 106).

(2) Place seal over Special Tool 6926-1 Pilot. Using

Special Tool 6926-2 Installer with C-4171 Handle,
drive seal into the retainer housing (Fig. 106).

(3) Install the flex plate. (Refer to 9 - ENGINE/

ENGINE BLOCK/FLEX PLATE - INSTALLATION)

(4) Install transmission (Refer to 21 - TRANSMIS-

SION/TRANSAXLE/AUTOMATIC - 41TE - INSTAL-
LATION).

CRANKSHAFT REAR OIL SEAL
RETAINER

REMOVAL

(1) Remove crankshaft rear oil seal (Refer to 9 -

ENGINE/ENGINE

BLOCK/CRANKSHAFT

OIL

SEAL - REAR - REMOVAL).

(2) Remove oil pan (Refer to 9 - ENGINE/LUBRI-

CATION/OIL PAN - REMOVAL).

(3) Remove oil seal retainer screws (Fig. 107).
(4) Remove oil seal retainer (Fig. 107).
(5) Clean engine block and retainer of oil and gas-

ket material. Make sure surfaces are clean and free
of oil.

INSTALLATION

(1) Position new gasket and install retainer on

block (Fig. 107). Tighten attaching screws to 12 N·m
(105 in. lbs.).

(2) Install oil pan (Refer to 9 - ENGINE/LUBRI-

CATION/OIL PAN - INSTALLATION).

(3) Install oil seal (Refer to 9 - ENGINE/ENGINE

BLOCK/CRANKSHAFT

OIL

SEAL

REAR

INSTALLATION).

Fig. 106 Rear Crankshaft Oil Seal—Installation

1 - SPECIAL TOOLS:
2 - C-4171 HANDLE
3 - 6926–2 INSTALLER
4 - 6926–1 GUIDE
5 - SEAL

Fig. 107 CRANKSHAFT REAR OIL SEAL

1 - OIL SEAL
2 - BOLT
3 - RETAINER - OIL SEAL
4 - GASKET

ENGINE 3.8L

9 - 173

CRANKSHAFT OIL SEAL - REAR (Continued)

VIBRATION DAMPER

REMOVAL

(1) Disconnect negative cable from battery.
(2) Raise vehicle on hoist.
(3) Remove the right front wheel and inner splash

shield.

(4) Remove the accessory drive belt. (Refer to 7 -

COOLING/ACCESSORY

DRIVE/DRIVE

BELTS

REMOVAL)

(5) Remove vibration damper bolt.
(6) Insert Special Tool 8450 into crankshaft nose

(Fig. 108).

(7) Position 3-jaw puller Special Tool 1026 on

damper as shown in (Fig. 108). Turn puller forcing
screw until damper releases from crankshaft.

(8) Remove the crankshaft vibration damper.

INSTALLATION

(1) Install crankshaft vibration damper using the

forcing screw, nut, and thrust bearing/washer from
Special Tool 8452 (Fig. 109).

NOTE: To minimize friction and prolong tool life,
lubricate the threads on the forcing screw of Spe-
cial Tool 8452.

(2) Position vibration damper on crankshaft.
(3) Screw Special Tool 8452 into crankshaft until

the bolt seats. Turn the nut to install damper until it
seats fully.

(4) Remove Special Tool 8452.
(5) Install vibration damper bolt. Torque bolt to 54

N·m (40 ft. lbs.).

(6) Install the accessory drive belt. (Refer to 7 -

COOLING/ACCESSORY

DRIVE/DRIVE

BELTS

INSTALLATION)

(7) Install inner splash shield and right front

wheel.

(8) Connect negative cable to battery.

Fig. 108 VIBRATION DAMPER - REMOVAL

1 - SPECIAL TOOL 8450 - INSERT
2 - SPECIAL TOOL 1026 - 3 JAW PULLER

Fig. 109 CRANKSHAFT DAMPER

1 - FORCING SCREW / NUT FROM SPECIAL TOOL 8452
2 - VIBRATION DAMPER
3 - THRUST BEARING / WASHER

9 - 174

ENGINE 3.8L

Content .. 702 703 704 705 ..