GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 157828  Size: SH
  1. Disconnect the two vacuum hoses from the exhaust gas recirculation (EGR) valve.
  2. Remove the two bolts from the EGR valve to the intake manifold.
  3. Remove the EGR valve and gasket (1) from the intake manifold.

Installation Procedure


    Object Number: 157828  Size: SH
  1. Install the EGR valve and a new gasket (1) to the intake manifold.
  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. Secure the EGR valve with the two bolts.
  4. Tighten
    Tighten the two EGR valve bolts to 20 N·m (15 lb ft).

  5. Connect the two vacuum hoses to the EGR valve.