GM Service Manual Online
For 1990-2009 cars only

Secondary Air Injection Shutoff Valve Replacement for GMC Truck Savana 2000

Removal Procedure

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

  2. Object Number: 622019  Size: SH
  3. Disconnect the vacuum line (1) from the shut-off valve.
  4. Disconnect the inlet (3) and outlet (2) hoses from the shut-off valve by releasing the spring clamps.

  5. Object Number: 615726  Size: SH
  6. Remove the shut off valve (3) from the vehicle.

Installation Procedure


    Object Number: 622019  Size: SH
  1. Connect the inlet (3) and outlet (2) hoses to the shut-off valve by installing the spring clamps.

  2. Object Number: 622019  Size: SH
  3. Install the vacuum line (1) to the shut-off valve.
  4. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.