Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Remove the turbocharger exhaust pipe. Refer to Turbocharger Exhaust Pipe Replacement (6.6L (LB7) Engine) or Turbocharger Exhaust Pipe Replacement (6.6L (LLY) Engine) .
The turbocharger exhaust pipe does not need to be removed from the vehicle in order to remove the left exhaust pipe. Position the turbocharger exhaust pipe out of the way.

Fig 1: View Of Left Exhaust Heat Shield & Nuts
Courtesy of GENERAL MOTORS CORP.
Remove the exhaust heat shield nuts (2) heat shield (3) from the dash panel.

Fig 2: Exhaust Pipe Heat Shield And Bolts (6.6L (LB7) Engine)

Courtesy of GENERAL MOTORS CORP.

Remove left exhaust pipe heat shield bolts.
Position the heat shield to the side in order to access the exhaust manifold to exhaust pipe bolts.
Do not remove the heat shield at this time.

Fig 3: Exhaust Pipe To Exhaust Manifold Bolts (6.6L (LB7) Engine)

Courtesy of GENERAL MOTORS CORP.

Remove the exhaust manifold to exhaust pipe bolts (2).
Remove and discard the gasket.
Lower the vehicle.
Remove the exhaust pipe heat shield. The shield will remove from the top of the engine.
Remove the exhaust pipe bolts (1) from the turbocharger.
Remove the exhaust pipe with the gasket.
Clean the exhaust pipe.
Clean the exhaust pipe mating surfaces.
Inspect the exhaust pipe for dents and cracks.
Replace the exhaust pipe if any damage is found.