GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 2WD 🢒 Engine 🢒 Engine Controls - 2.2L (L43) 🢒 Secondary Air Injection Vacuum Control Solenoid Valve Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 638944 Size: SH
  2. Remove vacuum line from solenoid (5).
  3. Disconnect electrical connector (6) from the solenoid.
  4. Remove solenoid from bracket on pump.

Installation Procedure

    Object Number: 638944 Size: SH
  1. Install solenoid (5) to bracket on pump.
  2. Connect electrical connector (6) to the solenoid.
  3. Install vacuum line to solenoid.
  4. Lower vehicle.