Installation 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.

Fig 1: View Of Left Exhaust Pipe

Courtesy of GENERAL MOTORS CORP.

Position the exhaust pipe with a NEW gasket to the turbocharger. Align the tab on the gasket at the turbocharger to face inward.
Loosely install the bolts.
Position the exhaust pipe with a NEW gasket to the exhaust manifold. Align the tab on the gasket to face outward.
Loosely install the bolts.

Fig 2: Exhaust Pipe To The Exhaust Manifold Bolts (6.6L (LLY) Engine)

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the exhaust pipe bolts in the proper sequence.
Tighten: Tighten the bolts to 53 N.m (39 lb ft).
Remove the turbocharger exhaust pipe. Refer to Turbocharger Exhaust Pipe Replacement (6.6L (LB7) Engine) or Turbocharger Exhaust Pipe Replacement (6.6L (LLY) Engine) .