Chevrolet Silverado / GMC Sierra. Manual — part 2884

Fig. 10: Transfer Case Fluid Replacement
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield

Replacement .

1

Transfer Case Drain Plug

Procedure

1. Allow the transfer case to drain completely.

2. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or

equivalent, to the plug threads.

Tip: When performing the following procedure, use only hand tools to remove
and install the drain plug.

Tighten: 18 N.m (13 lb ft)

NOTE:

Refer to Component Fastener Tightening Notice .

Transfer Case Fill Plug

Procedure

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

TRANSFER CASE TWO/FOUR WHEEL DRIVE ACTUATOR REPLACEMENT

Fig. 11: Transfer Case Two/Four Wheel Drive Actuator Replacement
Courtesy of GENERAL MOTORS CORP.

2

1. Fill the transfer case to the bottom of the fill plug hole with DEXRON®

VI GM P/N 88861003 (Canadian P/N 88861004)

2. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or

equivalent, to the plug threads.

Tip: When performing the following procedure, use only hand tools to remove
and install the fill plug.

Tighten: 18 N.m (13 lb ft)

Callout

Component Name

Preliminary Procedure:
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Two/Four Wheel Drive Actuator Bolt (Qty: 3)

NOTE:

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

VEHICLE SPEED SENSOR REPLACEMENT

Fig. 12: Transfer Case Two/Four Wheel Drive Actuator Replacement
Courtesy of GENERAL MOTORS CORP.

1

Tighten: 20 N.m (15 lb ft)

Refer to Fastener Notice .

2

Two/Four Wheel Drive Actuator

3

Two/Four Wheel Drive Actuator Seal

Callout

Component Name

Preliminary Procedures

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado