Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Install the exhaust pipe with a NEW gasket to the turbocharger. Align the tab on the gasket at the turbocharger to face inward.
To aid in installation temporarily install an exhaust pipe to exhaust manifold bolt.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the exhaust pipe to turbocharger bolts (1).
Tighten

Tighten the bolts to 53 N.m (39 lb ft).
Install the exhaust pipe heat shield but do not install the bolts.
Raise the vehicle.
Install the exhaust pipe with a NEW gasket to the exhaust manifold. Align the tabs on the gasket to face outward.
Install the exhaust pipe to exhaust manifold bolts (2).
Tighten

Tighten the bolts to 53 N.m (39 lb ft).

Fig 1: Installing Exhaust Pipe, Gasket & Bolts - Left (6.6L)
Courtesy of GENERAL MOTORS CORP.
Install the exhaust pipe heat shield bolts.
Tighten

Tighten the bolts to 8 N.m (71 lb in).

Fig 2: Installing Exhaust Pipe Heat Shield Bolts - Left (6.6L)
Courtesy of GENERAL MOTORS CORP.
Install the left side exhaust heat shield (3) at the dash panel.
Install the heat shield nuts (2).
Tighten

Tighten the nuts to 9 N.m (80 lb in).
Install the turbocharger exhaust pipe. Refer to Turbocharger Exhaust Pipe Replacement (6.6L Engine) .

Fig 3: Installing Left Exhaust Heat Shield & Nuts (6.6L)
Courtesy of GENERAL MOTORS CORP.