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Chevrolet Silverado / GMC Sierra. Manual - part 2844
VEHICLE SPEED SENSOR REPLACEMENT
1
(Light Duty). See Special Tools.
5. Install the NEW bushing on the finger section of the DT-48734 (Heavy
Duty) or J 45380 (Light Duty). See Special Tools.
6. Install the finger section to the forcing tube assembly of the DT-48734
(Heavy Duty) or J 45380 (Light Duty). See Special Tools.
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:
Use the appropiate bushing tool depending on application.
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 (Heavy
Duty). See Special Tools.
J 45380 Transfer Case Rear Bushing Remover and Installer (Light Duty)
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 15: View Of Vehicle Speed Sensor & O-Ring
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
Vehicle Speed Sensor
NOTE:
Refer to Component Fastener Tightening Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
TRANSFER CASE ASSEMBLY REPLACEMENT
Fig. 16: View Of Transfer Case, Gasket, Fuel Line Bracket & Nut
Courtesy of GENERAL MOTORS CORP.
Procedure:
Disconnect the vehicle speed sensor electrical connector.
Tighten: 17 N.m (13 lb ft)
2
Vehicle Speed Sensor O-Ring
Procedure:
Lightly lubricate the O-ring with clean DEXRON® VI.
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 .
3. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement
or Two-Piece Propeller Shaft Replacement .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
TRANSFER CASE ADAPTER 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. Disconnect the shift control rod from the transfer case. Refer to Transfer Case
Control Rod Replacement.
8. 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) .
9. Remove the transmission mount. Refer to Transmission Mount Replacement
(2WD) or Transmission Mount Replacement (4WD) for the 4L60-E/4L65-
E/4L70-E automatic transmission, or 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 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 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
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