GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Make note of the routing in order to aid in reassembly.

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

  2. Object Number: 1197862  Size: SH
  3. For 15 series vehicles, remove the vent hose from the clip attached to the frame.
  4. Remove the vent hose from the axle.

  5. Object Number: 1197863  Size: MH
  6. For 25/35 series vehicles, remove the vent hose from the clip attached to the frame.
  7. Remove the vent hose from the axle.

Installation Procedure

Important: When installing the vehicle hose, note the following:

   • Route the same way as when removed.
   • Ensure that the hose is free of kinks and is routed clear of sharp objects.
   • Ensure that the vent is not plugged.


    Object Number: 1197862  Size: SH
  1. For 15 series vehicles, install the vent hose to the axle.
  2. Install the vent hose to the clip attached to the frame.

  3. Object Number: 1197863  Size: MH
  4. For 25/35 series vehicles, install the vent hose to the axle.
  5. Install the vent hose to the clip attached to the frame.
  6. Lower the vehicle.