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 access the right exhaust pipe. Position the turbocharger exhaust pipe out of the way.
Remove the exhaust gas recirculation (EGR) cooler tube nuts, from the studs (1).

Fig 1: Exhaust Gas Recirculation (EGR) Cooler Tube Nuts And Stud (6.6L (LB7) Engine)
Courtesy of GENERAL MOTORS CORP.

Fig 2: View Of Right Exhaust Pipe To Exhaust Manifold & Turbocharger Bolts (6.6L (LB7) Engine)

Courtesy of GENERAL MOTORS CORP.

Remove the exhaust pipe to the exhaust manifold bolts (1).
Remove the exhaust pipe to the turbocharger bolts (2).
Remove the right exhaust pipe and gaskets.
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.