Installation Procedure

Fig 1: Exhaust Muffler Isolator

Courtesy of GENERAL MOTORS COMPANY

Fig 2: Exhaust Muffler Clamp Nut

Courtesy of GENERAL MOTORS COMPANY

CAUTION:

NOTE:

Make sure the exhaust muffler clamp is fully seated into the slot on the catalytic converter before tightening the exhaust clamp nut.

Install the exhaust muffler resonator pipe into the 3-way converter (2) and tighten the clamp to 55 N.m (41 lb ft).

Fig 3: Rear Exhaust Muffler

Courtesy of GENERAL MOTORS COMPANY

Install the rear exhaust muffler (1) to the rear pipe with a NEW service clamp and tighten the nut (2) to 55 N.m (41 lb ft).

Fig 4: Rear Exhaust Muffler Bracket Bolts

Courtesy of GENERAL MOTORS COMPANY

Install the rear exhaust muffler hanger bolts (1) and tighten to 22 N.m (16 lb ft).
Lower the vehicle.
Start the engine and check for exhaust leaks.