GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 LeSabre 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Boost Control Solenoid Replacement

Removal Procedure

    Object Number: 49594 Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.

    2. Object Number: 66405 Size: SH
  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 retaining nut.

    5. Object Number: 66407 Size: SH
  5. Remove the boost control solenoid (2).

Installation Procedure

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

    2. Object Number: 66405 Size: SH
  2. Install the boost control solenoid retaining nut.

    3. Tighten
    Tighten the nut to 8 N·m (72 lb in).

  3. Connect the boost control solenoid electrical connector.
  4. Connect the boost source and signal hoses to the boost control solenoid.

    5. Object Number: 49594 Size: SH
  5. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.