GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the pickup box. Refer to Pickup Box Replacement in Body Rear End.

  2. Object Number: 739474  Size: SH
  3. Disconnect the evaporative emission (EVAP) vapor pipe from the fuel sender assembly. (8)
  4. Disconnect the EVAP vapor pipe (9) from the EVAP canister (1).
  5. Cap the fuel sender and EVAP vapor pipe in order to prevent contamination.

Installation Procedure

  1. Remove the caps from the fuel sender assembly and EVAP vapor pipe.

  2. Object Number: 739474  Size: SH
  3. Connect the EVAP vapor pipe to the fuel sender assembly. (8)
  4. Connect the EVAP vapor pipe (9) to the EVAP canister (1).
  5. Install the pickup box. Refer to Pickup Box Replacement in Body Rear End.