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1992 Cadillac EL Dorado blowing out mufflers

Tiny
DEBBIESTONE
  • MEMBER
  • 1992 CADILLAC ELDORADO
  • V8
  • AUTOMATIC
  • 125,000 MILES
Put a tune up, new cadillac converter on went 20 miles the muffler blew, went back to muffler house put another muffler on and it bogged down and blew the muffler out. I then drove the car apron 800 miles and put another muffler on it blew after a pro 300 miles. What could it be
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Friday, June 19th, 2015 AT 2:22 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Sounds like something got messed up in the tune-up. Backfiring is what will blow mufflers off and that's usually due to ignition firing at the wrong time so double check the firing order.
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Friday, June 19th, 2015 AT 3:04 PM

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