Question about 1999 Jeep Cherokee

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Knocking lifter a loud ticking noise that does'nt sound good,changed oil and put lucas treatment did'nt make a difference,any suggestions?

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  • rusnowing Feb 26, 2009

    I have a 2000 Jeep Cherokee with 125,000 miles. This morning there was a load knocking, the same pace as a heart beat coming from the engine. What is it?

  • Anonymous Mar 28, 2014

    seems to have good oil pressure But when u step on gas it gets very noisy on top end Not a knock but tap tap noise

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Give it a Seafoam treatment - the stuff is available at the auto parts stores and at Walmart. Instructions are on the can - it's an easy procedure that can work wonders on an older engine.

Posted on Aug 17, 2008

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How to instal valv lifters


Pull intake off pull off valve covers,loosin rocker arm bolts and remove ,, pull push rods out, after you have the push rods out you can pull the lifters out,,,,,,i suggest taking to a mechanic shop,,, if all you have is a ticking sound try this,,, buy a can of chemtol spray,,,chemtol only,,, with the little red straw for spraying,,,remove valve cover,,try to see if you can hear which lift or lifts is ticking,,,turn off car,,,loosen not remove that rocker arm,,,slid to the side,,count your turns,,,move rocker to the side,,, take chemtol spray and insert little spray straw and spray it down the hole in the center of the push rod ,, it will clean the lifter of the debris that is not letting it prime up,, repeat if nessary,, it works,,, see YOU TUBE,,, dirty oil causes this,,, put in clean oil and some lucas oil treatment to help prevent in future,,, keep oil changed ,,if it starts ticking again change oil and add more lucas,,, it might fix itself

Mar 25, 2015 | 2005 Chevrolet Tahoe

1 Answer

Possible lifter knock, been very cold here in midwest. runs fine in cold weather. warming up and i get a knock from engine. removed oil cap and does not really get louder ?? does go away and comes bac


Your hearing lifter noise common in most cars in cold weather I have a 2001 sc1 same engine as yours here's how to get rid of that ticking sound go buy a quart of Lucas synthetic motor treatment change your oil and leave it 1 quart low add the Lucas synthetic oil stabilizer within 1 week you will not hear the noise agian reason your hearing the noise is there's no oil at the top of the engine on a cold start oil when cold is thicker hints why your noise in your engine what Lucas does is eliminate the dry start by the way my engine has 288,000 and does not use a drop of oil after you use this product you should use it every oil change you will see your car will thank you regards Chris

Mar 07, 2014 | 2001 Saturn SL

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Lifters start to tick very loudy only after freeway driving but does not tick when I have a fresh oil change for at lease two to three weeks after freeway driving and the oil level is always at a safe


You cannot fix faulty lifters by changing the oil or using oil additives. The engine has to be repaired. If the lifters are ticking loudly bits of metal are being ground away and being circulated through your engine.

Using oil additives is a total waste of money and in fact is detrimentally affecting the lubrication job of the engine oil.

Dec 21, 2012 | 1995 Honda Passport

1 Answer

I have a 1996 dodge. ram 3500 with the v10. There is s knocking noise from under left valve cover. it goes away at about 2500 rpm untill it shifts then it's right back.


If it's upper engine noise it could just be sticking hydraulic lifters if the sound isn't constant. If it's more pronounced at a cold start that is probably all it is. A couple of things to try is Lucas Oil Stabilizer in your oil. If the sound reduces more than usual then it's the lifters. You can also try doing a seafoam treatment on the engine. There are several instructional videos on youtube for that. Also check to see if there are any Dodge v10 truck forums. They could have more specific info on the lifter tick.

Nov 24, 2012 | Cars & Trucks

1 Answer

Lifter noise


change oil.put oil treament in when changeing.sounds like lifters are not oil good.treatment will help them.

Mar 21, 2012 | 1997 GMC Jimmy

2 Answers

My 2002 Envoy is making a ticking sound that nobody seems to diagnose. ive been told eberything form a lifter to a bad timming chain. Its throwing no codes and runs fine?


will try to help. upper enginr noise can be several things, but i'll try to keep it simple. when was oil last changed and what was weight? ask your self? the lighter the weight in hot weather, the higher the oil pump sends it. don't know how cold it is where you are, but, to assure you get premium top engine lubrication, i do recommend LUCAS OIL TREATMENT BE ADDED TO YOUR NEXT OIL CHANGE, this will take some of your doubt away about top end lubrication. you mat hear LIFTER TAP it very well be a timing chain tapping against the timing chain cover,BUT has it lost power any at all?does it miss or lose power during accelleration?if the timing chain JUMPS TIME it will not start, or if it does, you'll know it for sure. either won't start, or start and you'll have to keep foot on gas with it jumping like crazy! WANT MY RECOMMENDATION? IF IT'S ABOVE FREEZING, RUN 10W30 OIL AND ADD LUCAS OIL TREATMENT W/FRAM OIL FILTER,,,,USE,,CASTROL OIL BELOW FREEZING? USE 5W3O WEIGHT CASTROL OIL WFRAM OIL FILTER AND ADD LUCAS OIL TREATMENT!! THE LIFE OF YOUR MOTOR, DEPENDS ON FRESH OIL AND A GOOD OIL FILTER. AND AS ALWAYS if i have'nt helped or given you the assistance you requested, please repost yor question and an expert will be happy to assist! thank you for choosing fixya.com!!

Nov 24, 2010 | 2002 GMC Envoy

2 Answers

Severe ticking! i have been told its a lifter, ?


i always use 91octane and frequent oil changes..but still the tic tic tic.. finaly my mechanic used lucas motor oil treatment and today is the first day of engine silence.. we shall see for how long.. but seems like a cheap fix... try it.

Jul 30, 2010 | 2003 Lincoln Aviator

2 Answers

2000 Plymouth grand voyager ticking issue


YOU NEED TO ISOLATE TICK TO FRONT OR REAR BANK OF ENGINE..A MECHANIC'S STETHOSCOPE CAN HELP YOU ISOLATE..THEN REMOVE FRONT OR REAR VALVE COVER AND PUSH ON EACH ROCKER ARM..IF A LASH ADJUSTER(LIFTER)IS BAD,IT WILL BE SOFT OR COMPRESS WHEN YOU PUSH ON IT..LIFTERS ARE IN ROCKER ARMS ON A 3.0L AND IN BLOCK ON 3.3 AND 3.8L ENGINES

Jun 21, 2009 | 2000 Plymouth Voyager

4 Answers

Lifter ticking when I start my 1999 Chevy Tahoe


Your lifters have become clogged over the years. Its only after the oil warms up and thins out does it allow oil to "pump up" the lifters. That's why it goes quiet after 5 min. There are several different brands of additives on the market that can fix this problem ,unless you have a more serious mechanical problem, which I doubt.Check your local auto parts store for the additive. Just add it to your oil and "wham!" problem solved. Good Luck!

Jun 06, 2009 | 1999 Chevrolet Tahoe

1 Answer

Lifter tick


I suggest that you change the oil and use a decent but inexpensive brand, along with marvel oil. Run it like that for about 1,000 miles, drain it then add better oil, new filter and any treatment (I like lucas and marvel...they both do their job) Don't let oil change intervals go much above 3500 miles, unless using synthetics..

May 07, 2009 | 1998 Dodge Durango

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