GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 887437  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect and remove the EVAP pipe from the canister (3).
  3. Disconnect and remove the EVAP pipe from the roll over valve (4).
  4. Cap the fuel tank roll over valve and canister in order to prevent possible EVAP system contamination.

Installation Procedure


    Object Number: 887437  Size: SH
  1. Remove the caps from the fuel tank roll over valve and canister.
  2. Install and connect the EVAP pipe to the roll over valve (4).
  3. Install and connect the EVAP pipe to the canister (3).
  4. Install the fuel tank. Refer to Fuel Tank Replacement .