Installation Procedure

Fig 1: Locating Exhaust Insulators

Courtesy of GENERAL MOTORS CORP.

With the aid of an assistant, install the muffler assembly (2) to the vehicle.
With the aid of an assistant, install the exhaust insulators (1, 3, and 4) to the muffler hangers.

Fig 2: View Of Catalytic Converter, Muffler, Gasket & Nuts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

If equipped with a 5.3L, or 6.0L engine, install the muffler to catalytic converter nuts (1).
Tighten: Tighten the nuts to 45 N.m (33 lb ft).

Fig 3: View Of Catalytic Converter, Muffler, Gasket & Nuts

Courtesy of GENERAL MOTORS CORP.

If equipped with a 4.2L engine, install the catalytic converter to muffler nuts (1).
Tighten: Tighten the nuts to 45 N.m (33 lb ft).
Install the right rear coil spring, if equipped. Refer to Coil Spring Replacement .
Position the shock absorbers and install the lower mounting bolts. Refer to Shock Absorber Replacement .
Install the rear axle brace. Refer to Rear Axle Brace Replacement .
Install the rear axle tie rod. Refer to Rear Axle Tie Rod Replacement .
Install the spare tire.
Install the frame brace. Refer to Frame Brace Replacement .