GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Clean all evaporative emission (EVAP) pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible EVAP system contamination.


    Object Number: 878134  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the EVAP pipe from the chassis EVAP pipe.
  3. Disconnect the EVAP pipe from the EVAP canister.
  4. Remove the EVAP pipe from the clip.
  5. Cap the chassis EVAP pipe and canister in order to prevent possible EVAP system contamination.

Installation Procedure


    Object Number: 878134  Size: SH
  1. Remove the caps from the chassis EVAP pipe and canister.
  2. Connect the EVAP pipe to the EVAP canister.
  3. Connect the EVAP pipe to the chassis EVAP pipe.
  4. Install the EVAP pipe to the clip.
  5. Lower the vehicle.