Installation Procedure
Tools Required
• | J 37758 Countershaft
Rear Plug Installer |
• | J 36850 Transjel®
Transmission Assembly Lubricant |
- Install the rear countershaft
plug (1) into the rear case (2) using the J 37758
and the J 8092
and a hammer.
- Install the new rear case
oil seal (1) into the rear case (2) using the J 37750
and a hammer.
- Apply the J 36850
to the new rear case oil seal lip.
- Apply the GM P/N 12346240, or equivalent, to the transmission
rear case mating surface.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the rear
case to the transmission and secure with the twelve bolts.
Tighten
Tighten the rear case bolts to 28 N·m (20 lb ft).
- Install the transfer case into the vehicle.
- Install the gearshift lever case to the transmission. Refer to
Gearshift Lever Case Installation
- Add approximately 1.5 liters (1.6 quarts) of 75W-90
GL4 lubricant or equivalent, into the transmission oil level/filler plug hole.
The oil level should be even with the bottom of the transmission oil level/filler
plug hole.
- Apply the GM P/N 12346004, or equivalent, to the threaded portion
of the transmission oil level/filler plug.
- Install the transmission
oil level/filler plug (2) into the transmission.
Tighten
Tighten the transmission oil level/filler plug to 28 N·m
(20 lb ft).