GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Avalanche - 4WD 🢒 Engine 🢒 Engine Controls and Fuel - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank

Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank 1500 SWB - 98.4L (26 gal) Tank

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

    6. Object Number: 1704507 Size: SH
  6. 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
  2. Connect the EVAP line quick connect fittings at the fuel tank module and vent valve. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Install the EVAP lines to the fuel tank clips (1, 3, 4, and 5) and close the clips.
  4. Install the EVAP lines to the fuel tank clips (2, and 6).

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

Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank 1500 LWB - 117.3L (31 gal) Tank

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: 1704746 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: 1704747 Size: SH
  3. Remove the EVAP line from the fuel tank clips (2, and 6).
  4. Open the fuel tank clips (1, 3, 4, and 5) and remove the EVAP lines from the clips.
  5. Disconnect the EVAP line quick connect fittings at the fuel tank module and vent valve. Refer to Plastic Collar Quick Connect Fitting Service.

    6. Object Number: 1704748 Size: SH
  6. Remove the EVAP lines from the fuel tank.

Installation Procedure

    Object Number: 1704748 Size: SH
  1. Install the EVAP lines to the fuel tank.

    2. Object Number: 1704747 Size: SH
  2. Connect the EVAP line quick connect fittings at the fuel tank module and vent valve. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Install the EVAP lines to the fuel tank clips (1, 3, 4, and 5) and close the clips.
  4. Install the EVAP line to the fuel tank clips (2, and 6).

    5. Object Number: 1704746 Size: SH
  5. Install the fuel tank shields (1, and 4) and retainers (2, and 3).
  6. Install the fuel tank. Refer to Fuel Tank Replacement .

Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank 1500 LWB - 98.4L (26 gal) Tank w/E85

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: 1704928 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: 1704930 Size: SH
  3. Remove the EVAP lines from the fuel tank clips (2, and 6).
  4. Open the fuel tank clips (1, 3, 4, and 5) and remove the EVAP lines from the clips.
  5. Disconnect the EVAP line quick connect fittings at the fuel tank module and vent valves. Refer to Plastic Collar Quick Connect Fitting Service.

    6. Object Number: 1704932 Size: SH
  6. Remove the EVAP lines from the fuel tank.

Installation Procedure

    Object Number: 1704932 Size: SH
  1. Install the EVAP lines from the fuel tank.

    2. Object Number: 1704930 Size: SH
  2. Connect the EVAP line quick connect fittings at the fuel tank module and vent valves. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Install the EVAP lines to the fuel tank clips (1, 3, 4, and 5) and close the clips.
  4. Install the EVAP lines to the fuel tank clips (2, and 6).

    5. Object Number: 1704928 Size: SH
  5. Install the fuel tank shields (1, and 4) and retainers (2, and 3).
  6. Install the fuel tank. Refer to Fuel Tank Replacement .

Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank 1500 LWB - 117.3L (31 gal) Tank w/E85

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: 1705108 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: 1705110 Size: SH
  3. Remove the EVAP lines from the fuel tank clips (1, 2, 4 and 8).
  4. Open the fuel tank clips (3, 5, 6, and 7) and remove the EVAP lines from the clips.
  5. Disconnect the EVAP line quick connect fittings at the fuel tank module and vent valve. Refer to Plastic Collar Quick Connect Fitting Service.

    6. Object Number: 1705112 Size: SH
  6. Remove the EVAP lines from the fuel tank.

Installation Procedure

    Object Number: 1705112 Size: SH
  1. Install the EVAP lines to the fuel tank.

    2. Object Number: 1705110 Size: SH
  2. Connect the EVAP line quick connect fittings at the fuel tank module and vent valve. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Install the EVAP lines to the fuel tank clips (3, 5, 6, and 7) and close the clips.
  4. Install the EVAP lines to the fuel tank clips (1, 2, 4 and 8).

    5. Object Number: 1705108 Size: SH
  5. Install the fuel tank shields (1, and 4) and retainers (2, and 3).
  6. Install the fuel tank. Refer to Fuel Tank Replacement .

Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank 2500 LWB - 43.5L (11.5 gal) Tank-Rear

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: 1705753 Size: SH
  1. Remove the rear fuel tank. Refer to Fuel Tank Replacement.
  2. Remove the EVAP line from the clip (1) on the fuel tank.
  3. Open the EVAP line clip (2) and remove the EVAP line from the clip.
  4. Remove the EVAP lines from the clip (3).
  5. Disconnect the EVAP line quick connect fittings from the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.

    6. Object Number: 1705754 Size: SH
  6. Remove the EVAP lines from the fuel tank.

Installation Procedure

    Object Number: 1705754 Size: SH
  1. Install the EVAP lines to the fuel tank.

    2. Object Number: 1705753 Size: SH
  2. Connect the EVAP line quick connect fittings to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Install the EVAP lines to the clip (3).
  4. Install the EVAP line to the clip (2) and close the clip.
  5. Install the EVAP line to the clip (1) on the fuel tank.
  6. Install the rear fuel tank. Refer to Fuel Tank Replacement.