Transfer Case Fluid Replacement

WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Transfer Case Fluid Replacement

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
1	Transfer Case Drain Plug NOTE: Refer to Component Fastener Tightening Notice . Procedure Allow the transfer case to drain completely. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the plug threads. Tip: Use only hand tools to remove and install the drain plug. Tighten: 18 N.m (13 lb ft)
2	Transfer Case Fill Plug Procedure Fill the transfer case to the bottom of the fill plug hole with DEXRON® VI GM P/N 88861003 (Canadian P/N 88861004). Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the plug threads. Tip: Use only hand tools to remove and install the fill plug. Tighten: 18 N.m (13 lb ft)

Callout

Component Name

Preliminary Procedures

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .

Transfer Case Drain Plug

NOTE: Refer to Component Fastener Tightening Notice .

Procedure

Allow the transfer case to drain completely.
Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the plug threads.

Tip: Use only hand tools to remove and install the drain plug.

Tighten: 18 N.m (13 lb ft)

Transfer Case Fill Plug

Procedure

Fill the transfer case to the bottom of the fill plug hole with DEXRON® VI GM P/N 88861003 (Canadian P/N 88861004).
Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the plug threads.

Tip: Use only hand tools to remove and install the fill plug.

Tighten: 18 N.m (13 lb ft)