GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Evaporative Emission System Hoses/Pipes Replacement

Evaporative Emission System Hoses/Pipes Replacement 15 Reg Cab w/26 gal Tank

Removal Procedure

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


    Object Number: 1854507 Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement.
  2. Remove the EVAP canister purge pipe from the fuel tank clip (1).

    3. Object Number: 1854508 Size: SH
  3. Disconnect the EVAP rear pipe quick connect fittings from the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  4. Remove the EVAP rear pipe from the fuel tank clips (1 and 2).

    5. Object Number: 1854510 Size: SH
  5. Disconnect the small EVAP rear pipe quick connect fittings from the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.

Installation Procedure

    Object Number: 1854510 Size: SH
  1. Position and connect the small EVAP rear pipe quick connect fittings to the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.

    2. Object Number: 1854508 Size: SH
  2. Position and connect the EVAP rear pipe quick connect fittings to the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Install the EVAP rear pipe to the fuel tank clips (1 and 2).

    4. Object Number: 1854507 Size: SH
  4. Install the EVAP canister purge pipe to the fuel tank clip (1).
  5. Install the fuel tank. Refer to Fuel Tank Replacement.

Evaporative Emission System Hoses/Pipes Replacement 15 Ext/Crew Cab w/26 gal Tank

Removal Procedure

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


    Object Number: 1854689 Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement.
  2. Disconnect the EVAP pipe quick connect fittings from the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Remove the EVAP pipe from the fuel tank clips (1).

    4. Object Number: 1854690 Size: SH
  4. Disconnect the EVAP pipe quick connect fittings from the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  5. Remove the EVAP pipe from the fuel tank clips (1 and 2).

Installation Procedure

    Object Number: 1854690 Size: SH
  1. Position and connect the EVAP pipe quick connect fittings to the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  2. Install the EVAP pipe to the fuel tank clips (1 and 2).

    3. Object Number: 1854689 Size: SH
  3. Position and connect the EVAP pipe quick connect fittings to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  4. Install the EVAP pipe to the fuel tank clips (1).
  5. Remove the fuel tank. Refer to Fuel Tank Replacement.

Evaporative Emission System Hoses/Pipes Replacement 25 Ext/Crew Cab w/26 gal Tank

Removal Procedure

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


    Object Number: 1854507 Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Remove the EVAP canister purge pipe from the fuel tank clip (1).

    3. Object Number: 1854508 Size: SH
  3. Disconnect the EVAP rear pipe quick connect fittings from the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Remove the EVAP rear pipe from the fuel tank clips (1 and 2).

    5. Object Number: 1854510 Size: SH
  5. Disconnect the small EVAP rear pipe quick connect fittings from the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .

Installation Procedure

    Object Number: 1854510 Size: SH
  1. Position and connect the small EVAP rear pipe quick connect fittings to the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .

    2. Object Number: 1854508 Size: SH
  2. Position and connect the EVAP rear pipe quick connect fittings to the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Install the EVAP rear pipe to the fuel tank clips (1 and 2).

    4. Object Number: 1854507 Size: SH
  4. Install the EVAP canister purge pipe to the fuel tank clip (1).
  5. Install the fuel tank. Refer to Fuel Tank Replacement .

Evaporative Emission System Hoses/Pipes Replacement 15/25 Reg/Ext/Crew Cab w/34 gal Tank

Removal Procedure

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


    Object Number: 1854928 Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement.
  2. Remove the EVAP pipe from the fuel tank clips (1).

    3. Object Number: 1854930 Size: SH
  3. Disconnect the EVAP pipe quick connect fittings from the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  4. Remove the EVAP pipe from the fuel tank clips (1).

Installation Procedure

    Object Number: 1854930 Size: SH
  1. Position and connect the EVAP pipe quick connect fittings to the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service.
  2. Install the EVAP pipe to the fuel tank clips (1).

    3. Object Number: 1854928 Size: SH
  3. Install the EVAP pipe to the fuel tank clips (1).
  4. Install the fuel tank. Refer to Fuel Tank Replacement.

Evaporative Emission System Hoses/Pipes Replacement 35 Reg/Ext/Crew Cab w/35 gal Tank

Removal Procedure

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


    Object Number: 1854928 Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Remove the EVAP pipe from the fuel tank clips (1).

    3. Object Number: 1854930 Size: SH
  3. Disconnect the EVAP pipe quick connect fittings from the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Remove the EVAP pipe from the fuel tank clips (1).

Installation Procedure

    Object Number: 1854930 Size: SH
  1. Position and connect the EVAP pipe quick connect fittings to the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  2. Install the EVAP pipe to the fuel tank clips (1).

    3. Object Number: 1854928 Size: SH
  3. Install the EVAP pipe to the fuel tank clips (1).
  4. Install the fuel tank. Refer to Fuel Tank Replacement .