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1993 Jeep Cherokee engine knocks

Tiny
ANGELROSARIO
  • MEMBER
  • 1993 JEEP CHEROKEE
  • V8
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
Engine knocks, added protech drygas, knocking stopped for a little while, knocking returned.
possible solution?
Sunday, February 22nd, 2009 AT 12:52 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi:
Does this sound more like a bearing knock or a ping while under a load? Does it happen all of the time or only under certain conditions?

Joe
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Sunday, February 22nd, 2009 AT 2:10 PM
Tiny
ANGELROSARIO
  • MEMBER
  • 3 POSTS
No ping, motor rattles a little then knock, rattles a little then knock. Happens more in idle than when driving, but happens in either case
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Sunday, February 22nd, 2009 AT 9:01 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
The only thing I can say with a knock is that it is usually a bearing problem (rod, main, cam.). Make sure the oil is full and that you are using the proper weight.
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Monday, February 23rd, 2009 AT 9:23 AM

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