GM Service Manual Online
For 1990-2009 cars only

Vent Hose Replacement 9.25 Inch Axle

Removal Procedure


    Object Number: 341716  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the front differential carrier shield, if equipped. Refer to Shield Replacement .
  3. Important: Make note of the routing in order to aid in reassembly.

  4. Remove the vent hose (1) from the wiring bundle (2), S4WD axles only.
  5. Remove the vent hose from the retainer clips, all axles.

  6. Object Number: 834272  Size: SH
  7. Remove the vent hose from the differential carrier assembly.
  8. Remove the vent hose from the vehicle.

Installation Procedure


    Object Number: 834272  Size: SH
  1. Install the vent hose to the vehicle.
  2. • Route the vent hose the same way as when removed.
    • Ensure the hose is free of kinks and routes clear of sharp components.
    • Ensure the vent hose is not plugged.
  3. Connect the vent hose to the differential carrier assembly.

  4. Object Number: 341716  Size: SH
  5. Install the vent hose (1) to the wiring bundle (2), S4WD axles only.
  6. Install the vent hose to the retainer clips, all axles.
  7. Install the front differential carrier shield, if equipped. Refer to Shield Replacement .
  8. Lower the vehicle.

Vent Hose Replacement 8.25 Inch Axle

Removal Procedure


    Object Number: 1689174  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the front differential carrier shield , if equipped. Refer to Shield Replacement .
  3. Remove the vent hose the retainers from the frame.
  4. Remove the vent hose from the connector.
  5. Lower the vehicle.

  6. Object Number: 1690649  Size: SH
  7. Remove the vent hose from the inner fender.

Installation Procedure


    Object Number: 1690649  Size: SH
  1. Install the vent hose to the inner fender.
  2. Raise the vehicle.

  3. Object Number: 1689174  Size: SH
  4. Install the vent hose retainers to the frame.
  5. Install the vent hose to the connector.
  6. Install the front differential carrier shield , if equipped. Refer to Shield Replacement .
  7. Lower the vehicle.