GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2008 🢒 Astra 🢒 Engine 🢒 Engine Controls and Fuel - 1.8L (2H0) 🢒 Evaporative Emission Canister Vent Solenoid Valve Replacement

Removal Procedure
  1. Open the hood.

    2. Caution: Refer to Battery Disconnect Caution in the Preface section.

  2. Disconnect the battery.
  3. Raise the vehicle all the way.

    4. Object Number: 1998450 Size: SH
  4. Remove the rear purge valve (2).
    5. • Remove the vent line from carbon canister to the rear purge valve (4).
    • Disconnect the quick-release fitting.
    • Remove the vent line from the rear purge valve (1).
    • Disconnect the quick-release fitting.
    • Disconnect the wiring harness of the rear purge valve (3).
    • Disconnect the wiring harness plug.
    • Release the bracket and remove the rear purge valve (arrows).

Installation Procedure
  1. Install the rear purge valve.
    2. • Install the rear purge valve at the bracket.
    • Install the wiring harness at the rear purge valve.
    • Connect the wiring harness plug.
    • Install the vent line at the rear purge valve.
    • Connect the quick-release fitting.
    • Install the vent line at the carbon canister to the rear purge valve.
    • Connect the quick-release fitting.
  2. Lower the vehicle all the way.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the battery.

    4. Connect the ground clamp to ground terminal.

    Tighten
    Tighten the ground clamp nut to 5 N·m (44 lb in).

  4. For programming procedures, refer to Control Module References .
  5. Close the hood.