Sierra 1500 4WD V8-5.3L VIN T (2004)
Case Adapter: Service and Repair
Transfer Case - NVG 149-NP3
Transfer Case Adapter Replacement
Removal Procedure
1. Remove the transfer case. Refer to Transfer Case Assembly Replacement.
2. Remove the transfer case adapter bolts.
3. Remove the adapter.
4. Remove the adapter seal.
Installation Procedure
1. Install a NEW seal onto the adapter.
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.
2. Install 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.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the adapter bolts.
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Tighten the bolts to 50 Nm (37 ft. lbs.).
4. Install the transfer case. Refer to Transfer Case Assembly Replacement.
