Question about 2001 Jeep Grand Cherokee

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I have been told the ticking noise my engine is

Jeep Grand Cherokee Laredo. I have been told the ticking noise my engine is making is a stuck lifter and by substituting a half quart of transmission fluid for a half quart of oil will solve the problem. Is this ok to do? Or is there a better way

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  • oneplusthree Apr 02, 2009

    10w30

  • oneplusthree Apr 02, 2009

    i am in a cold climate in Michigan. but winters almost over...thank god.

  • oneplusthree Apr 02, 2009

    the noise happens when i start the engine and press the gas. It appears that after the engine warms up, the noise goes away

  • Roberta Smith
    Roberta Smith May 11, 2010

    just exactly who told you that.... i suggest it wasn't a certified mechanic.... no i wouldn't recommend that... what grade of engine oil are you using ?

  • FRANK G Aug 28, 2013

    IT DOES WORK 25YEARS--SEA FOAM FOR 4 HOURS THEN DRAIN AND PUT LUCAS IN IT WILL BE OK FOR AWHILE

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  • Jeep Master
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These is an old fix, and yes it is ok to do this, but it is better to add a can of Berrymans Chemtool run about 25 miles and drain oil.

Posted on Apr 02, 2009

  • Marvin
    Marvin Apr 02, 2009

    this is most likely a sticking/noisey lifter issue, but if it goes away in a few seconds don't worry about it, don't use anything other than 10W-30W summer, 5W-30W in winter, your engine is not designed for heavy oils and it can cause a lack of bearing lubrication. I am a 30 year veteran auto mechanic of new car dealers, which include Jeep.

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  • Master
  • 5,158 Answers

Unless you live in a cold climate ... try using 30w oil.... or add a can of STP oil conditioner... basically it thickens the oil and should stop the noise.

Posted on Apr 02, 2009

  • Roberta Smith
    Roberta Smith Apr 02, 2009

    yes i'm happy winter is just about over... blah was the key word... the 10W30 basically means that it is 10 weight oil (thickness) untill the oil warms up... then it becomes 30 weight. you could probably change to 30W at your next oil change. The reason they use 10W30 is that 30W in minus 27 would make it very hard for the starter to even turn over the motor.... so i would suggest changing back over before next winter



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I have a 2002 jeep grand Cherokee Laredo 8 cylinder engine and it just started making a tapping noise when it's running. The oil hasn't been changed in awhile. Could this make a difference or any other...


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If I understand your situation, you are saying the engine was run with one quart and you added 2 more quarts of oil. Now you have 3 quarts which is less than what it takes to make it full. On some engines it takes 5 quarts of oil. You will have to check the dipstick to see where you are now compared to the full mark.

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What would cause a Ticking noise in a jeep grand cherokee


Most time a ticking noise is caused by a valve lifter malfunction or a worn pivot on a rocker arm. if the noise appears to be coming from the valve cover (inside) that's usually where the problem is. Depending upon which engine you have the repair procedure will vary. (consult a haynes or chilton manual)
Before taking anything apart though many times a lifter noise will respond to a good engine additive like marvel oil or lucas engine conditioner. Neither one will harm the engine and it may quiet it down for you!
If you think my answer helped, please rate it. If you have another question or did not understand the answer, just ask.

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First, nothing you have done has anything to do with valve tappet noise. What is your oil pressure? Have you positively identified the noise as a lifter (tappet), OR COULD IT BE AN ENGINE BERARING OR WRISTPIN? Other than tearing it down and replacing lifters, rockers or pushrods or possibly even the cam, if oil pressure is good, change the oil and put a quart of Marvel oil in there. If that does not clear it up in a few days, you will have to go inside the engine. You likely have over 160k on that engine...consider using a replacement. Get an older tech to listen to it...it takes years to be able to differentiate between different component noises with any accuracy.
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