1996 Chevy Cavalier MOTOR FLUSH

1996 CHEVROLET CAVALIER
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MILLERDO
  • MEMBER
  • 1 POST
1996 Chevy Cavalier 4 cyl Front Wheel Drive Automatic 117k miles
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What product (if any) would you recommend to help clean the varnish / sludge in the crank case?
Iv'e seen the "Gunk Motor Flush" at the autoparts store but I've also heard of using transmission fluid and even straight kerosene.
Will any of these help or will it do more damage than good?

Thanks
Doug
Feb 29, 2008 at 10:28 PM
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SERVICE WRITER
  • ✓Experienced Mechanic
  • 9,123 POSTS
IMHO. Don't do it.

There are two arguments to this. I take the one the says "lossening up stuff and having it drop to the bottom of the pan may cause the oil pump screen to clog). Also anything dropping down may plug return galleys.
Feb 29, 2008 at 10:50 PM
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