Yukon 4WD V8-5.3L (2008)
Case Adapter: Service and Repair
BW 4485-NR3 - Transfer Case
Transfer Case Adapter Replacement
Removal Procedure
1. Remove the transfer case. Refer to Transfer Case Assembly Replacement (See: Service and Repair/Removal and Replacement/BW 4485-NR3 -
Transfer Case/Transfer Case Assembly Replacement) .
2. Remove the transmission mount. Refer to Transmission Mount Replacement (4WD) (See: Automatic Transmission/Transaxle/Transmission
Mount/Service and Repair/4L60-E/4L65-E/4L70-E - Automatic Transmission)Transmission Mount Replacement (2WD) (See: Automatic
Transmission/Transaxle/Transmission Mount/Service and Repair/4L60-E/4L65-E/4L70-E - Automatic Transmission) .
3. Remove the transfer case adapter bolts.
4. Remove the adapter.
5. Remove the adapter seal.
Installation Procedure
Important: Always use a new seal for the adapter. Do not use any type of sealant or adhesive in place of or with the seal.
1. Install a NEW seal onto the adapter.
Important: The transfer case adapter must be installed so that the adapter is evenly seated to the transmission before installing the
retaining nuts.
2. Install the adapter.
Notice: Refer to Fastener Notice .
3. Install the adapter bolts.
Tighten the bolts to 50 N.m (37 lb ft).
4. Install the transmission mount. Refer to Transmission Mount Replacement (4WD) (See: Automatic Transmission/Transaxle/Transmission
Mount/Service and Repair/4L60-E/4L65-E/4L70-E - Automatic Transmission)Transmission Mount Replacement (2WD) (See: Automatic
Transmission/Transaxle/Transmission Mount/Service and Repair/4L60-E/4L65-E/4L70-E - Automatic Transmission) .
5. Install the transfer case. Refer to Transfer Case Assembly Replacement (See: Service and Repair/Removal and Replacement/BW 4485-NR3 -
Transfer Case/Transfer Case Assembly Replacement) .