Chrysler RG Voyager. Manual — part 999
INPUT SHAFT SEAL
REMOVAL
The Power Transfer Unit must be removed from
the vehicle to service this seal. Refer to Power Trans-
fer Unit Removal in this section for procedures.
(1) Remove P.T.U. end cover bolts (Fig. 42).
(2) Gently tap on end cover ears to separate cover
from case (Fig. 43).
(3) Remove ring gear oil trough (Fig. 44).
(4) Remove input shaft and ring gear from case
(Fig. 45).
(5) Use Special Tool No. 7794-A (seal puller) to
remove seal (Fig. 46).
Fig. 42 P.T.U. End Cover Bolts
1 - POWER TRANSFER UNIT
2 - FILL PLUG
3 - END COVER
4 - OUTPUT SHAFT
Fig. 43 End Cover Removal
1 - END COVER EARS
2 - HAMMER
3 - POWER TRANSFER UNIT
Fig. 44 Oil Trough
1 - OIL TROUGH
2 - POWER TRANSFER UNIT
RS
POWER TRANSFER UNIT
21 - 17
INSTALLATION
The Power Transfer Unit must be removed from
the vehicle to service this seal. Refer to Power Trans-
fer Unit Removal in this section for procedures.
(1) Clean and inspect seal area.
(2) Lay housing on bench and install new seal with
seal driver C-4657 and handle C-4171 (Fig. 47). The
seal must be installed with the spring side facing
towards the ring gear. Drive the seal in until it bot-
toms against the case shoulder.
(3) Install input shaft.
(4) Install oil trough.
(5) Apply Mopar
t Gasket Maker or equivalent to
sealing surfaces of end cover and reinstall. Tighten
bolts to 28 N·m (250 in. lbs.)
CAUTION: When end cover is installed be careful
not to damage the P.T.U. Input Shaft Cover Seal.
(6) Reinstall P.T.U. assembly into vehicle.
(7) Check and fill fluids as required.
OUTER HALF SHAFT SEAL
REMOVAL
The outer half shaft seal is located on the outside
of the end cover. The P.T.U. does not have to be
removed to replace this seal.
(1) Lift vehicle on hoist.
(2) Remove right front half shaft from vehicle.
(3) Remove seal with a chisel and hammer (Fig.
48).
Fig. 45 Input Shaft and Ring Gear Removal
1 - POWER TRANSFER UNIT
2 - RING GEAR
Fig. 46 Seal Removal
1 - POWER TRANSFER UNIT
2 - SPECIAL TOOL
7794–A
Fig. 47 Seal Installation
1 - HAMMER
2 - SPECIAL TOOL
C-4171
3 - SPECIAL TOOL
C-4657
4 - POWER TRANSFER UNIT
21 - 18
POWER TRANSFER UNIT
RS
INPUT SHAFT SEAL (Continued)
INSTALLATION
The outer half shaft seal is located on the outside
of the end cover. The P.T.U. does not have to be
removed to replace this seal.
(1) Clean and inspect seal area.
(2) Install new seal with seal installer MD998334
(Fig. 49).
(3) Reinstall right front half shaft.
(4) Check and fill fluids as required.
REAR COVER O-RING
REMOVAL
(1) Raise vehicle on hoist.
(2) Remove rear cover retaining bolts (Fig. 50).
(3) Index rear cover to the case for later reassem-
bly (Fig. 51).
Fig. 48 Seal Removal
1 - HAMMER
2 - CHISEL
3 - SEAL
4 - POWER TRANSFER UNIT
Fig. 49 Seal Installation
1 - BEARING
2 - SNAP RING PLIERS
3 - BEARING SNAP RING
Fig. 50 Rear Cover Bolts
1 - OUTPUT FLANGE SEAL
2 - REAR COVER
3 - OUTPUT SHAFT
Fig. 51 Mark Rear Cover
1 - REAR COVER
2 - OUTPUT SHAFT
3 - PAINT MARK
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POWER TRANSFER UNIT
21 - 19
OUTER HALF SHAFT SEAL (Continued)
(4) Pull rear cover out of the P.T.U. case (Fig. 52).
(5) Remove rear cover O-Ring (Fig. 53).
INSTALLATION
(1) To install, reverse removal procedure.
Fig. 52 Rear Cover Removal
1 - POWER TRANSFER UNIT ASSEMBLY
2 - REAR COVER
3 - O-RING
Fig. 53 O-Ring Removal
1 - REAR COVER
2 - PINION GEAR
3 - O-RING
21 - 20
POWER TRANSFER UNIT
RS
REAR COVER O-RING (Continued)
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