GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 104621  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect EVAP purge pipe (3), vapor pipe (2) and vent hose/pipe (1) from the EVAP canister.

  3. Object Number: 104774  Size: SH
  4. Remove the EVAP canister bracket retaining nuts (2).
  5. Remove the canister (1) from the EVAP canister bracket (3).

Installation Procedure


    Object Number: 104774  Size: SH
  1. Install the EVAP canister (1) to the EVAP canister bracket (3) and position on the underbody.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the EVAP canister bracket retaining nuts (2).
  4. Tighten
    Tighten the nuts to 6 N·m (53 lb in).


    Object Number: 104621  Size: SH
  5. Connect the EVAP purge pipe (3), vapor pipe (2) and vent hose/pipe (1) to the EVAP canister.
  6. Lower the vehicle.