GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check for loose components such as hangers, or heat shields, etc.

Are there any loose components?

--

Go to Step  2

Go to Step  3

2

Tighten all 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

System OK

3

Check for any misaligned components.

Are there any misaligned components?

--

Go to Step  4

--

4

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

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

--

Go to Step 1

System OK