Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Front & Rear Exhaust Heat Shield & Nuts

Courtesy of GENERAL MOTORS CORP.

If vehicle has a crew cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the underbody studs.

NOTE: Refer to Fastener Notice .

Install the exhaust heat shield nuts.
Tighten: Tighten the nuts to 9 N.m (80 lb in).

Fig 2: View Of Front & Rear Exhaust Heat Shield & Nuts

Courtesy of GENERAL MOTORS CORP.

If vehicle has a extended cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the underbody studs.
Install the exhaust heat shield nuts.
Tighten: Tighten the nuts to 9 N.m (80 lb in).

Fig 3: View Of Front & Rear Exhaust Heat Shield & Nuts

Courtesy of GENERAL MOTORS CORP.

If vehicle has a regular cab, position and install the rear exhaust heat shield (2) and/or the front exhaust heat shield (1) to the studs.
Install the exhaust heat shield nuts.
Tighten: Tighten the nuts to 9 N.m (80 lb in).
Install the catalytic converter. Refer to Catalytic Converter Replacement (4.3L) or Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) or Catalytic Converter Replacement (6.6L) .