GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 615485  Size: SH
  1. Allow the engine to cool down.
  2. Remove the fasteners (3).
  3. Remove the fastener (5) at the middle of the EGR pipe (4).
  4. Remove the 2 fasteners (6) near the EGR valve.
  5. Remove the upper gasket (2) and the lower gasket (7).
  6. Remove the EGR pipe (4).
  7. Clean any remaining gasket material from both contact surfaces.

Installation Procedure


    Object Number: 615485  Size: SH
  1. Install the EGR pipe (4) with a new upper gasket (2) and a new lower gasket (7) 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 pipe (4) to the upper intake manifold with the 2 fasteners (3).
  4. Tighten
    Tighten the fasteners to 15 N·m (11 lb ft).

  5. Secure the EGR pipe (4) to the lower intake manifold with the 2 fasteners (6).
  6. Tighten
    Tighten the fastener to 10 N·m (88 lb in).

  7. Install the fastener (5) to the EGR pipe bracket.
  8. Tighten
    Tighten the fastener to 10 N·m (88 lb in).

  9. Start the engine and check for exhaust leaks.
  10. Repair as necessary.