My car is backfiring

Tiny
AONE FROMDAYONE
  • MEMBER
  • 1995 CADILLAC BROUGHAM
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 113,000 MILES
I turn the car in an it backfires. I changed the spark plugs and wires. I checked hoses looked for leaks. And it still does it.
Saturday, September 2nd, 2017 AT 1:54 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
These car had a problem with the rocker arms breaking causing the engine to back fire. This will require removing the valve covers and checking the rocker stands. Here is a guide that will help you get the cover off for inspection.

https://www.2carpros.com/articles/replace-valve-cover-gasket

and

https://www.2carpros.com/articles/engine-backfires-while-running

Please let us know what happens and upload pictures of the problem.

Cheers, Ken
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Monday, September 4th, 2017 AT 8:12 PM

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