GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Clean the evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the fittings in order to avoid possible EVAP system contamination.


    Object Number: 1704741  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement.
  2. Remove the fuel tank shield retainers (2, and 3) and shields (1, and 4).

  3. Object Number: 1704505  Size: SH
  4. Remove the EVAP lines from the fuel tank clips (2, and 6).
  5. Open the fuel tank clips (1, 3, 4, and 5) and remove the EVAP lines from the clips.
  6. Disconnect the EVAP line quick connect fittings at the fuel tank module and vent valve. Refer to Plastic Collar Quick Connect Fitting Service.

  7. Object Number: 1704507  Size: SH
  8. Remove the EVAP lines from the fuel tank.

Installation Procedure


    Object Number: 1704507  Size: SH
  1. Install the EVAP lines to the fuel tank.

  2. Object Number: 1704505  Size: SH
  3. Connect the EVAP line quick connect fittings at the fuel tank module and vent valve. Refer to Plastic Collar Quick Connect Fitting Service.
  4. Install the EVAP lines to the fuel tank clips (1, 3, 4, and 5) and close the clips.
  5. Install the EVAP lines to the fuel tank clips (2, and 6).

  6. Object Number: 1704741  Size: SH
  7. Install the fuel tank shields (1, and 4) and retainers (2, and 3).
  8. Install the fuel tank. Refer to Fuel Tank Replacement.