GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 206390  Size: SH
  1. Position the butterfly valve to the closed position.
  2. Remove the stop peg and the washer.

Installation Procedure


    Object Number: 206390  Size: SH
  1. Install a new washer and a new stop peg.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Tighten the stop peg.
  4. Tighten
    Tighten the stop peg to 24 N·m (18 lb ft).

  5. Ensure that the actuator rod is properly adjusted.
  6. Verify that the stop peg contacts the butterfly valve when the butterfly valve is in each of the following positions:

    • The fully open position
    • The fully closed position