GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Grand Prix 🢒 Engine 🢒 Engine Electrical 🢒 Boost Control Solenoid Replacement

Removal Procedure

    Object Number: 66407 Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
  2. Disconnect the boost source and signal hoses from the boost control solenoid (2).
  3. Disconnect the boost control solenoid electrical connector.
  4. Remove the boost control solenoid nut.
  5. Remove the boost control solenoid (2).

Installation Procedure

    Object Number: 66407 Size: SH
  1. Install the boost control solenoid (2).

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

  2. Install the boost control solenoid nut.

    3. Tighten
    Tighten the nut to 8 N·m (71 lb in).

  3. Connect the boost control solenoid electrical connector.
  4. Connect the boost source and signal hoses to the boost control solenoid (2).
  5. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.