Installation Procedure
- Install the new muffler to the tail pipe.
- Attach the muffler and tail pipe to the hanger insulators.
- Install the muffler to the catalytic converter and secure with the nuts.
Tighten: Tighten the nuts to 45 N.m (33 lb ft).
- Loosely install the clamp to secure the muffler to the tail pipe.
- Align the tail pipe in the proper position.
Tighten: Tighten the clamp nuts to 50 N.m (37 lb ft).
- Inspect the exhaust system for leaks and underbody contact.
- Install the frame brace. Refer to Frame Brace Replacement (TrailBlazer, Envoy, Bravada) or Frame Brace Replacement (TrailBlazer EXT, Envoy XL) in Frame and Underbody.
- Lower the vehicle.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.