GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check for loose system components (heat shields, hangers, etc.)

Are any exhaust system components loose?

--

Go to Step  2

Go to Step  3

2

Tighten any loose components.

Does the exhaust system vibrate or rattle?

--

Go to Step  3

System OK

3

Check for misaligned system components.

Are any system components misaligned?

--

Go to Step  4

Go to Step  5

4

Align any misaligned system components.

Does the exhaust system vibrate or rattle?

--

Go to Step  5

System OK

5

Check for bent or damaged support brackets or mounts.

Are there any bent or damaged support brackets or mounts?

--

Go to Step  6

--

6

Repair any bent or damaged support brackets or mounts.

Does the exhaust system vibrate or rattle?

--

--

System OK