GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Evaporative Emission Canister Replacement

Removal Procedure
  1. Remove the rear frame. Refer to Rear Frame Replacement.

    2. Object Number: 785817 Size: SH
  2. Disconnect the evaporative emission (EVAP) hoses from the EVAP canister.
  3. Disconnect the electrical connector from the EVAP canister.

    4. Object Number: 785820 Size: SH
  4. Remove the EVAP canister retaining nuts.
  5. Complete the following in order to remove the EVAP canister:
    6. 5.1. Lower the rear of the canister enough to clear the 2 weld studs.
    5.2. Slide the canister rearward from the body brace.

Installation Procedure

    Object Number: 785820 Size: SH
  1. Complete the following in order to install the EVAP canister:
    2. 1.1. Insert the fresh air tube and tab on the canister forward into the body brace.
    1.2. Rotate the rear of the canister up over the 2 weld studs on the floor pan.

    Caution: Refer to Fastener Caution in the Preface section.

  2. Install the EVAP canister retaining nuts and tighten to 6 N·m (53 lb in).

    3. Object Number: 785817 Size: SH
  3. Connect the EVAP hoses to the EVAP canister.
  4. Connect the electrical connector to the EVAP canister.
  5. Install the rear frame. Refer to Rear Frame Replacement.