GM Service Manual Online
For 1990-2009 cars only

Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank C4500 and C5500

Caution: Refer to Fuel Vapors in Evaporative Emission Components Caution in the Preface section.

Caution: Refer to Fuel and Evaporative Emission Pipe Caution in the Preface section.

Removal Procedure


    Object Number: 803200  Size: SH
  1. Disconnect the evaporative emission (EVAP) vapor pipe from the EVAP canister.
  2. Remove the fuel tank. Refer to Fuel Tank Replacement .
  3. Disconnect the EVAP vapor pipe from the fuel sender assembly.
  4. Remove the EVAP vapor pipe.

Installation Procedure

  1. Install the EVAP vapor pipe to the fuel sender assembly.
  2. Install the fuel tank. Refer to Fuel Tank Replacement .

  3. Object Number: 803200  Size: SH
  4. Connect the fuel tank EVAP vapor pipe to the EVAP canister.

Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank C6500, C7500 and C8500

Caution: Refer to Fuel Vapors in Evaporative Emission Components Caution in the Preface section.

Caution: Refer to Fuel and Evaporative Emission Pipe Caution in the Preface section.

Removal Procedure


    Object Number: 816405  Size: SH
  1. Disconnect the evaporative emission (EVAP) vapor pipe from the EVAP canister.
  2. Remove the fuel tank. Refer to Fuel Tank Replacement .
  3. Disconnect the EVAP vapor pipe from the fuel sender assembly.
  4. Remove the EVAP vapor pipe.

Installation Procedure

  1. Install the EVAP vapor pipe to the fuel sender assembly.
  2. Install the fuel tank. Refer to Fuel Tank Replacement .

  3. Object Number: 816405  Size: SH
  4. Connect the fuel tank EVAP vapor pipe to the EVAP canister.