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.

Did you find any loose components?

--

Go to Step 2

Go to Step 3

2

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

Does a vibration or a rattling noise from the exhaust system continue?

--

Go to Step 3

System OK

3

Test for any misaligned components.

Did you find any misaligned components?

--

Go to Step 4

--

4

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

Does a vibration or a rattling noise from the exhaust system continue?

--

--

System OK