2001 Jeep Grand Cherokee Logo
Posted on Apr 02, 2009
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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

  • 3 more comments 
  • 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

  • Anonymous 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 ?

  • Anonymous 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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2 Answers

Marvin

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  • Jeep Master 85,242 Answers
  • Posted on Apr 02, 2009
Marvin
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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.

  • 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
  • Posted on Apr 02, 2009
Anonymous
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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.

  • Anonymous 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...

yes it most certainly can, thick oil can block hydrolic lifters and make tappets become loose and even fail. that is a good start point because the next is a worn cam shaft
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By not having enough oil in the car, would that create a popping sound? Have a 2001 Grand Cherokee Laredo that was working fine and the next morning it started popping. Put it had one quart in and put 2...

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.

If it is still less than full, it may cause some noise, but depending on how long you ran it with the oil low, how hot it got and other unknowns, you may have a serious problem. Try adding oil to the fill mark and pray that after you run it awhile the noise will go away. The noise may be the lifters trying to work with little or no pressure. It is possible that after the oil top off and a bit of driving they may pressure up and start working again.
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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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Noisy lifters

more than likely you will need new lifters but i have gotten away with substituting 1 quart of atf for one quart of oil on an oil change that seems to work good and make sure you don't use any thick oil treatments and are running 5w30w oil..
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I have a 2002 Jeep Grand Cherokee Limited which had a bad water pump and overheated, waterpump has been replaced but when engine starts to heat up engine has a ticking sound ? Any idea what this is ? No...

Ticking can come from so many places I could write all day... Use a screwdriver or a long extension as a stethoscope and try to isolate the source. Best guess I can make without seeing/hearing it is either you cracked an exhaust manifold or a valve lifter is sticking (only a guess) If it's a lifter, you can add a quart of marvel oil and usually it will quiet down.
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i was having that problem with my 4.7 2000 laredo. had no idea what it was. after about a week and a half of my jeep sounding like a diesel i was going 75 on the freeway and my engine started to rattle and shake violently and then shut off and left me stuck on the freeway. took it to a shop and they told me i had bent a valve because my timing chain had jumped. motor is now beyond repairable. new motor is going to run me $2300 plus $1700 in labor (assuming nothing else needs replacing) highly recommend taking it into a shop asap
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2001 grand cherokee laredo makes whirring noise when in overdrive,as soon as we take it out of overdrive the noise stops. Changed front half shafts and bearings, but the noise is still there.

The rear ends on this make an model are a weak point.
Overdrive and Reverse are usually the first gears to show symptoms when the transmission is going bad.. You should seek the advice of a mechanic.
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Valve knocks when running reaches 1500 rpm

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.
Personally, without hearing it myself, I'm betting it's a rod knock.
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