GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Inspect the components.

Are there any loose or misaligned components?

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Go to Step 2

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2

  1. Align the components.
  2. Tighten the components.
  3. Check for a damaged hanger, or damaged mounting brackets and clamps.

Is the exhaust system vibrating or rattling?

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System OK