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.

NOTE: Refer to EXHAUST SYSTEM INSPECTION NOTICE in Cautions and Notices.

Apply lubricant to the exhaust insulators in order to aid in installation.
Install the muffler to the insulators.

Fig 1: Installing Exhaust Muffler (4.3L, 4.8L & 5.3L)
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the exhaust muffler nuts.
Tighten

Tighten the nuts to 40 N.m (30 lb ft).

Fig 2: Installing Exhaust Muffler Nuts (4.3L, 4.8L & 5.3L)
Courtesy of GENERAL MOTORS CORP.