Why is my buick century making a loud noise and shaking when acclerated?

1995 BUICK CENTURY
15,000 MILES
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MEGANHUNT
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  • 3 POSTS
My 95 buick century is making this loud noise.It sounds like a old chevy truck! I got new o2censors, catalyac convertor, muffler and pipes! Why is it making that noise and it shakes when accelerated over 50 mph.
Oct 14, 2012 at 5:02 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
what kind of noise??? from where????

Roy
Oct 14, 2012 at 5:08 PM
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MEGANHUNT
  • MEMBER
  • 3 POSTS
sounds like a old chevy truck rumbling. like motor or exhaust rumbles
Oct 14, 2012 at 5:41 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
only thing i can say is that it is too vague of a description. have someone at a shop listen to it and get back to us with your findings

Roy
Oct 14, 2012 at 5:48 PM
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MEGANHUNT
  • MEMBER
  • 3 POSTS
why want acclerate over 50mph and it wasnt doing it before!
Oct 14, 2012 at 6:36 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
You may have a plugged cat do you ever have to let up on the gas for it to shift to the next higher gear?
Oct 14, 2012 at 8:13 PM
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