Removal Procedure
- Remove the transfer case. Refer to
Transfer Case Replacement
.
- For vehicles equipped with automatic transmission
4L60-E, remove the six bolts securing the adapter and the seal to the transmission.
- For vehicles equipped with automatic transmission
4L80-E, remove the six bolts securing the adapter and the seal to the transmission.
Installation Procedure
- For vehicles equipped with the 4L60-E automatic
transmission, lubricate the seal mating surface area with oil GM P/N 12346143.
- Install the adapter and seal to the transmission.
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 six bolts securing the adapter
to the transmission.
Tighten
Tighten the adapter bolts to 50 N·m (37 lb ft).
- For vehicles equipped with the 4L80-E automatic
transmission, lubricate the seal mating surface area with oil GM P/N 12346143.
- Install the adapter and seal to the transmission.
- Install the six bolts securing the adapter to the transmission.
Tighten
Tighten the adapter bolts to 50 N·m (37 lb ft).
- Install the transfer case. Refer to
Transfer Case Replacement
.