GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check to see if the exhaust component is contacting the body component.

Is the exhaust component contacting the body component?

--

Go to Step 2

Go to Step 3

2

  1. Loosen the clamps.
  2. Realign the exhaust system.

Is the exhaust system vibrating?

--

Go to Step 3

System OK

3

Check to see if the exhaust vibration dampener is loose, damaged or missing.

Is the exhaust vibration dampener loose, damaged or missing?

--

Go to Step 4

Go to Step 5

4

Tighten or replace the exhaust vibration dampener.

Is the exhaust system vibrating?

--

Go to Step 5

System OK

5

Check to see if the exhaust pipes are contacting the heat shields.

Are the exhaust pipes contacting the heat shields?

--

Go to Step 6

--

6

  1. Loosen the clamps.
  2. Realign the exhaust system.

Is the exhaust system vibrating?

--

--

System OK