Jeep Grand Cherokee WK. Manual — part 1550
SPECIFICATIONS
TRANSFER CASE - NV140
TORQUE SPECIFICATIONS
DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
Bolt, crossmember
41-47
30.2-34.7
-
Plugs, drain/fill
20-34
15-25
-
Bolts, case half
25-28
18.5-20.5
-
Nut, companion flange
122-176
90-130
-
Nuts, T-case mount stud
33-41
24.3-30.2
-
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TRANSFER CASE - NV140 - SERVICE INFORMATION
WK
SPECIAL TOOLS - NV140
Installer, Seal - 6560
Installer - 7829A
Installer - 8152
Installer - 8693A
Installer, Seal - 9672
Holder, Flange - C-3281
Installer, Seal - C-3972A
Handle, Universal - C-4171
Installer, Bushing - 5066
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TRANSFER CASE - NV140 - SERVICE INFORMATION
21 - 1011
FLUID
STANDARD PROCEDURE - FLUID DRAIN/REFILL
The fill (2) and drain (3) plugs are both in the rear
case.
1. Raise vehicle.
2. Position drain pan under transfer case.
3. Remove drain and fill plugs and drain lubricant
completely.
4. Install drain plug. Tighten plug to 20-34 N·m (15-25
ft. lbs.).
5. Remove drain pan.
6. Fill transfer case to bottom edge of fill plug opening
with the required fluid. (Refer to LUBRICATION &
MAINTENANCE/FLUID TYPES - DESCRIPTION)
7. Install and tighten fill plug to 20-34 N·m (15-25 ft.
lbs.).
8. Lower vehicle.
SEAL-FRONT OUTPUT SHAFT
REMOVAL
The front output shaft seal cannot be serviced in the vehicle. The transfer case must be disassembled to remove
the front output shaft and seal.
SEAL-REAR OUTPUT SHAFT
REMOVAL
1. Remove the rear propeller shaft. (Refer to 3 - DIF-
FERENTIAL & DRIVELINE/PROPELLER SHAFT/
PROPELLER SHAFT - REMOVAL)
2. Using Holder C-3281 (1), remove the rear compan-
ion flange (2) nut.
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TRANSFER CASE - NV140 - SERVICE INFORMATION
WK
3. Remove the rear output shaft flange (1) from the
output shaft (2). If necessary, use a suitable 2 or 3
jaw puller to remove the output shaft flange.
4. Remove the rear output shaft seal with a suitable
pry tool or a screw mounted in a slide hammer.
INSTALLATION
1. Install a new rear output shaft seal into the rear
cover with Installer C-3972A.
2. Install the rear output shaft flange (1) onto the out-
put shaft (2).
3. Using Holder C-3281 (1), install the rear compan-
ion flange (2) nut. Tighten the bolts to 122-176 N·m
(90-130 ft.lbs.).
4. Install the rear propeller shaft. (Refer to 3 - DIF-
FERENTIAL & DRIVELINE/PROPELLER SHAFT/
PROPELLER SHAFT - REMOVAL)
5. Check the transfer case fluid level. (Refer to 21 -
TRANSMISSION/TRANSFER
CASE/FLUID
-
STANDARD PROCEDURE) Correct as necessary.
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TRANSFER CASE - NV140 - SERVICE INFORMATION
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