01' GMC Sierra 2WD Rattling noise.

Tiny
JSHELLY186
  • MEMBER
  • 2001 GMC C1500
My GMC Sierra rattles underneath at low RPM and sometimes under acceleration. I've checked the heat shields and other misc. Metal parts that could possibly rattle but everything appears to be ok. Has anybody had the same thing happen on theirs? I would really like to know what it is becuase it's bugging the heck out of me. Haha.
Saturday, October 20th, 2007 AT 10:08 PM

2 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Lightly tap the exhaust pipes or shake them does that produce the symptom?
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Saturday, October 20th, 2007 AT 10:20 PM
Tiny
JSHELLY186
  • MEMBER
  • 7 POSTS
I have tapped on the pipes and it just produces a hollow sound. No rattling. I think it could possible be from having a build up in my Cat. What do you think?
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Wednesday, October 24th, 2007 AT 11:02 AM

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