Transfer Case Fluid Replacement

WARNING: This page is about a different car, the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 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 COMPANY

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 CAUTION: Refer to Fastener Caution . 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

CAUTION:

Refer to Fastener Caution .

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)