Installation Procedure

Complete the following in order to install the muffler to the vehicle:
1. With the muffler turned 90 degrees counterclockwise from the rear, carefully insert the muffler over the rear axle until the flange is near the catalytic converter.
2. Rotate the muffler clockwise 90 degrees to the installed position.
3. Slide the muffler forward into position, aligning the studs with the rear of the catalytic converter.

Fig 1: View Of Exhaust Pipe Hanger

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Do not use oil base lubricants.

Apply a soapy solution to the following in order to ease the installation of the hangers (1):
- The inner diameter of the exhaust pipe hanger (1)
- The exhaust pipe hanger rod (3)
Press the exhaust pipe hangers (1) over the exhaust pipe hanger rods (3).

Fig 2: Exhaust Pipe To Muffler Joint

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the nuts securing the muffler to the catalytic converter.
Tighten:
1. Tighten the muffler nuts by hand until each contacts the metal flange.
2. Tighten the muffler nuts to 45 N.m (33 lb ft).

Fig 3: View Of Rear Right Wheel Suspension Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the block of wood (5) from between the frame (4) and rear axle (6).
Install the right rear leaf spring bolt (1) and nut (2).
Tighten: Tighten the leaf spring bolt and nut to 85 N.m (63 lb ft).
Install the lower shock absorber bolts (8) and nuts (9).
Tighten: Tighten the lower shock absorber bolts and nuts to 95 N.m (70 lb ft).
Inspect the exhaust system for leaks and underbody contact.
Lower the vehicle.