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1993 Jeep Cherokee knocking noises

Tiny
DAVIDT99
  • MEMBER
  • 1993 JEEP CHEROKEE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 15,000 MILES
When I turn my jeep on or drive it, it sounds like it is making a knocking noise like there is a rock in the engine somewhere. Took it to machanic and they said they didnt find anything. Do you think it could be a bad lifter?
Saturday, June 20th, 2009 AT 3:14 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
If it sounds like a knock, I will say the 4.0L does have a natural (slight) knock to it. If it is very loud, I would guess a rod or main bearing on the low end of the engine. A lifter will make more of a ticking sound rather than a knock.
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Thursday, June 25th, 2009 AT 12:21 AM

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