GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 703611  Size: SH
  1. Remove the EGR valve. Refer to Exhaust Gas Recirculation Valve Replacement .
  2. Remove the EGR valve outlet pipe. Refer to Exhaust Gas Recirculation Outlet Pipe Replacement .
  3. Remove the EGR valve adapter pipe mounting bolt (2) from the exhaust manifold.

  4. Object Number: 703611  Size: SH
  5. Remove the retaining nuts (3) from the EGR valve adapter pipe assembly (1).
  6. Remove the EGR valve adapter pipe assembly (1).

Installation Procedure


    Object Number: 703611  Size: SH
  1. Install the EGR valve adapter pipe assembly (1).
  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. Install the retaining nuts (3) to the EGR valve adapter pipe assembly (1).
  4. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).


    Object Number: 703611  Size: SH
  5. Install the EGR valve adapter pipe bolt (2) to the exhaust manifold.
  6. Tighten
    Tighten the bolt to 25 N·m (18 lb in).

  7. Install the EGR valve outlet pipe. Refer to Exhaust Gas Recirculation Outlet Pipe Replacement .
  8. Install the EGR valve. Refer to Exhaust Gas Recirculation Valve Replacement .