Question about 1994 Jeep Grand Cherokee

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I have a 1994 jeep cherokee sport with only 89,000 mile . the top of the motor has a loud kocking . what could it be . a rocker loose or broke

Plus low oil pressure

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  • 44 Answers

Yeah either one...but that doesn't cause the low oil pressure light to come on. When you have oil pressure light comes on, that means that your oil pump is failing and/or your main bearing seals are failing. Costly repair.

Posted on Mar 21, 2014

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Posted on Jan 02, 2017

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SOURCE: low oil pressure on 99 jeep grand cherokee

change your oil,it could be too thin,see if that fixes it

Posted on Jan 17, 2009

michigan man
  • 3533 Answers

SOURCE: low oil pressure

the first i would do is to see if the oil sending unit is ok and if you gage is working right and if they are then checkout the oil pump.

Posted on Feb 14, 2009

  • 6982 Answers

SOURCE: engine knocks at idle or low rpm, no load, no smoking or oil loss

Idle at 40 is fine. Do what I said and give it a chance to work...chances that an adjusting nut has loosened up is ) if it's a 4.0 (you didn't say) these have non adjustable valves. Any engine with adjustable valves uses "interference thread" nuts that do not back off.

Posted on Mar 21, 2009

  • 35 Answers

SOURCE: 2004 Grand Cherokee: oil pressure fluctuates

if you know for certain that the sending unit is correct and the guage is accurate, then yiu may have big problems.....while the engine is running open the oil filler hole.. is everything wet with oil? or does it look dry or just a little lubed? you can allways install an aftermarket oil pressure guage(crappy tire) if you get the same results with that then you may have a week oil pump....worst case scenerio... need an engine rebuild as the moter may have wear issues.does the pressure slowly drop as the motor warms up? at idle ? does it jump up when you step on the gas?

Posted on Mar 30, 2009

c17hydro
  • 2984 Answers

SOURCE: What oil is used in a 1994 Jeep Grand Cherokee

Use Dexron® II or ATF Plus/Type 7176 automatic transmission fluid (or their superceding fluid type).

Posted on Jun 06, 2009

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