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Chevrolet Silverado / GMC Sierra. Manual - part 2886
Fig. 15: Transfer Case Rear Extension Bushing Replacement
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures: Remove the transfer case rear output shaft seal. Refer to Rear
Output Shaft Seal Replacement.
NOTE:
Refer to Transfer Case Seal Removal Notice .
Transfer Case Rear Output Shaft Bushing
Procedure
1. Install the finger section of the DT-48734 in front of the bushing.
2. Install the forcing tube assembly into the finger section. Ensure the forcing
screw is backed out.
3. Using a wrench on the forcing screw, remove the bushing.
4. Remove the old bushing from the DT-48734 .
5. Install the NEW bushing on the finger section of the DT-48734 .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
TRANSFER CASE ASSEMBLY REPLACEMENT
Fig. 16: Transfer Case Assembly Replacement
Courtesy of GENERAL MOTORS CORP.
1
6. Install the finger section to the forcing tube assembly of the DT-48734 .
7. Position the bushing and tool to the rear case half.
8. Install the bushing until the tool bottoms on the rear case half.
Tip:
Only remove the bushing if faulty.
If the bushing was removed, a new bushing must be installed.
Ensure the bushing is installed squarely into the bushing bore.
Special Tools:
DT-48734 Transfer Case Rear Bushing Remover and Installer
Callout
Component Name
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
TRANSFER CASE ADAPTER REPLACEMENT
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 .
3. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement
or Two-Piece Propeller Shaft Replacement .
4. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
5. Drain the fluid from the transfer case. Refer to Transfer Case Fluid Replacement.
6. Disconnect the electrical connectors and remove the electrical harness from the
transfer case.
7. Remove the crossmember. Refer to Transmission Support Crossmember
Replacement (2WD 2500 HD/3500) or Transmission Support Crossmember
Replacement (2WD 1500/2500) or Transmission Support Crossmember
Replacement (4WD 1500/2500) or Transmission Support Crossmember
Replacement (4WD 2500 HD/3500) .
8. Remove the transmission mount. Refer to Transmission Mount Replacement
(2WD) or Transmission Mount Replacement (4WD) for the 6L50/6L80/6L90
automatic transmission, or Transmission Mount Replacement for Allison automatic
transmission.
1
Transfer Case Nut
Tighten: 50 N.m (37 lb ft)
NOTE:
Refer to Fastener Notice .
2
Fuel Line Bracket
3
Transfer Case
4
Transfer Case Gasket
Tip: Install a NEW gasket without the use of any type of sealant or lubricant.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 17: Transfer Case Adapter Replacement
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Remove the transfer case. Refer to Transfer Case Assembly Replacement.
2. Remove the transmission mount. Refer to Transmission Mount Replacement
(2WD) or Transmission Mount Replacement (4WD) for the 6L50/6L80/6L90
automatic transmission, or Transmission Mount Replacement for the Allison
automatic transmission.
1
Transfer Case Adapter Bolt
Tighten: 50 N.m (37 lb ft)
NOTE:
Refer to Fastener Notice .
2
Transfer Case Adapter
3
Transfer Case Adapter Seal
Tip: Always use a new seal for the adapter. Do not use any type of sealant or
adhesive in place of or with the seal.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
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