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 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

System OK

3

Check for any misaligned components.

Are there any misaligned components?

--

Go to Step 4

System OK

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?

--

--

System OK