GM Service Manual Online
For 1990-2009 cars only

Vent Hose Assembly Replacement LA1

Removal Procedure


    Object Number: 630581  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Release the vent hose clamp (1) from the extension housing assembly.
  3. Disconnect the vent hose (2) from the retaining bracket on the transfer case assembly.
  4. Remove the vent hose from the extension housing assembly vent tube by carefully twisting the hose.

Installation Procedure


    Object Number: 630581  Size: SH
  1. Install the vent hose to the extension housing assembly vent tube.
  2. Connect the vent hose (2) to the retaining bracket on the transfer case assembly.
  3. Install the vent hose clamp (1) to the extension housing assembly.
  4. Lower the vehicle.