GM Service Manual Online
For 1990-2009 cars only

Front Axle Vent Hose Connector Replacement Ratcheting Style

Removal Procedure

  1. Apply the park brake.
  2. Place the transmission in NEUTRAL.
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the left tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  5. Object Number: 834272  Size: SH
  6. Disconnect the vent hose from the vent hose connector.
  7. Remove the vent hose connector from the differential carrier assembly.

Installation Procedure


    Object Number: 834274  Size: SH
  1. Rotate the propeller shaft until the differential case window can be seen through the vent hose connector opening.

  2. Object Number: 834277  Size: SH
  3. Place the alignment arm of the vent hose connector in the 6 o'clock position.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the vent hose connector with the alignment arm in the 6 o'clock position into the vent hose connector opening.
  6. Tighten
    Tighten the vent hose connector to 28 N·m (21 lb ft).


    Object Number: 834272  Size: SH
  7. Connect the vent hose to the vent hose connector.
  8. Install the left tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  9. Lower the vehicle.
  10. Place the transmission in PARK.
  11. Release the park brake.

Front Axle Vent Hose Connector Replacement Non-Ratcheting Style

Removal Procedure

  1. Raise the vehicle. Refer Lifting and Jacking the Vehicle in General Information.
  2. Remove the left tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  3. Object Number: 834272  Size: SH
  4. Disconnect the vent hose from the vent hose connector.
  5. Remove the vent hose connector from the differential carrier assembly.

Installation Procedure

  1. Install the vent hose connector into the differential carrier assembly.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Tighten the vent hose connector assembly.
  4. Tighten
    Tighten the vent hose connector to 28 N·m (21 lb ft).


    Object Number: 834272  Size: SH
  5. Connect the vent hose to the vent hose connector.
  6. Install the left tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  7. Lower the vehicle.