GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Test for loose components such as hangers, heat shields, etc.

Are there any loose components?

--

Go to Step  2

Go to Exhaust System Inspection

2

Tighten all of the loose fasteners to specifications. Refer to Fastener Tightening Specifications .

Is there still a vibration or rattling noise from the exhaust system?

--

Go to Step  3

Go to Exhaust System Inspection

3

Test for any misaligned components.

Are there any misaligned components?

--

Go to Step  4

Go to Exhaust System Inspection

4

Align the system. Test for bent or damaged hangers and mounting brackets.

Is there still a vibration or rattling noise from the exhaust system?

--

Go to Exhaust System Inspection

--