GM Service Manual Online
For 1990-2009 cars only

Exhaust Pipe Replacement - Right Side 6.6 L

Removal Procedure


    Object Number: 654525  Size: SH
  1. Remove the exhaust outlet. Refer to Exhaust Outlet Replacement in Engine Exhaust.
  2. The exhaust outlet does not require removal from the vehicle. Move the exhaust outlet to the side in order to access the right exhaust pipe.

  3. Remove the 3 bolts (1) from exhaust pipe to the exhaust manifold.
  4. Remove the 3 bolts (2) from the exhaust pipe to the turbocharger.
  5. Remove the right exhaust pipe and gaskets.
  6. Clean the exhaust pipe.
  7. Clean the exhaust pipe mating surfaces.
  8. Inspect the exhaust pipe for dents and cracks.
  9. Replace the exhaust pipe if any damage is found.

Installation Procedure


    Object Number: 654525  Size: SH
  1. Install the right exhaust pipe with NEW gasket to the turbocharger. Align the tab on the gasket to face inward as shown.
  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 exhaust pipe to turbocharger bolts (2).
  4. Tighten
    Tighten the exhaust pipe to turbocharger bolts to 53 N·m (39 lb ft).

  5. Install the exhaust pipe to the exhaust manifold with a NEW gasket. Align the tab on the gasket to face outward as shown.
  6. Install the exhaust pipe to exhaust manifold bolts (1).
  7. Tighten
    Tighten the exhaust pipe to exhaust manifold bolts to 53 N·m (39 lb ft).

  8. Install the exhaust outlet. Refer to Exhaust Outlet Replacement in Engine Exhaust.