GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Inspect for any misaligned or loose components

Are there any misaligned or loose components?

--

Go to Step 2

Go to Step 3

2

Align the system. Tighten any 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

Inspect for faulty hangers or brackets.

Are there any faulty hangers or brackets?

--

Go to Step 4

--

4

Replace any faulty hangers or brackets.

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

--

Refer to Exhaust Noise .

System OK