Question about 2000 Jeep Grand Cherokee

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Motor making noise on a jeep 2000

I took the valve cover of to see if the lifters wre loose they were ok. It sound like the noise is coming from the back of the motor.

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This nose could be coming from the bearing in the clutch assembly.
please rate this advice

Posted on Feb 27, 2009

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1 Answer

Audi a4 1998 tapping noise only when idles under valve cover


Sounds like a bad valve lifter or a valve out of adjustment. It's probably a bad hydraulic valve lifter. In idle, when the oil pressure is lowest, it is not filling with oil. When the motor revs up, oil pressure rises and fills the faulty lifter.
If you do have mechanical lifters, the valve is probably out of adjustment. If you do car work, pull the valve cover and see if it's adjustable. Of course, you'll need the specs from VW/Audi.
Otherwise, it's probably a shop job.
Sorry.

Jul 05, 2014 | 1998 Audi A4

1 Answer

Sounds like lifter noise but took valve cover off dont see where ther would b lifters double cams 2.2 motor


You should have watched a You Tube Video


That would be cleaner & easier than removing
the valve cover

I guess you never considered that you have overhead
cams & the lifters are buried in the heads & can't see or
get to them

Is that a chrysler product ? Somewhat common issue

Oct 26, 2012 | Cars & Trucks

1 Answer

Sound like a lifter knocking took off vaule cover all were ok not too tight not too lose just had head gasket replaced never knocked before that any other ideas top of motor is apart heads are off too


Your problem could be a lifter that's either pumping up or leaking down which wouldn't be evident when you check the rocker arms for play with the engine off. You can use oil deflector clips and a mechanic's stethescope to run the engine with the valve cover removed and isolate the lifter in question. If you had a bad head gasket and had coolant leaking into the oil, it's also possible that you're mistaking the sound of a bad rod bearing for a lifter noise. Hopefully it is just a bad lifter.

Jun 26, 2011 | 1997 Chevrolet Blazer

1 Answer

Sound gets louder win in motion it has 243,000 miles.culd it be a rocker arm? it has good oil pressure. 2000 jeep grand cherokee laradoe straight 6 4.0 automatic 4x4 makes tapping sound? what should i...


What kind of sound? If it's a ticking sound from inside the valve cover it could be a bad rocker arm, worn lifter or lifter & cam lobe or broken valve spring (needs to be looked at). If the noise is deep and best heard at the oil pan. it could be a rod bearing or main beginning to go but generally, that lowers oil pressure. Another item that sounds nearly the same is a cracked flywheel. Careful listening can often unravel this or have a very experienced tech look at it....(still your choice on who does the repair).

Nov 21, 2010 | 2000 Jeep Grand Cherokee

1 Answer

2000 jeep grand cherokee has a loud knock in engine. Started out as a ticking sound like a lifter, know it is a loud knock. This is a V-8 Engine


If the noise still sounds like it's on top, I'd remove the valve covers and check the rocker arms to make sure they aren't broken or worn. Also crank the engine over and observe how far each travels. If any are different, a lifter or lifter and cam have gone bad.
If your oil pressure is low or the noise is deep inside the engine, likely you have a crank bearing problem. In most cases it's more economical to get a scrapyard replacement rather than do a rebuild.
Before doing anything like that, have an experienced tech listen to it. Only other thing that can make a noise like that is a broken flywheel. A good tech can tell the difference between noises and give you better advice than I can because he can hear it.

Nov 03, 2010 | 2000 Jeep Grand Cherokee

2 Answers

Are the valves adjustable on my 99 Cherokee 4.0? If so, how can I adjust them?


If your valves were fine in the past and they suddenly began to make noise then its a lifter or a cam problem. hydraulic lifters are not adjustable. 99 Cherokee 4.0 didn't have solid lifters.

Feb 19, 2010 | 1999 Jeep Grand Cherokee

1 Answer

Lifters are knocking and there is a missing in


lifters tick and noise is upper end of engine if lifters are making noise could be from a bad valve,bad lifter ,push rod ,oil pressure,rocker arm - need to take do compression test find out if valve problem and which cylinder is problem also take off valve cover and check for proper oiling of valve head and look to see if and are damaged or loose-------a knocking sound usually comes from lower end of engine,rod knock etc.and thats usually rebuild of engine

Nov 22, 2009 | 1994 Isuzu Trooper

2 Answers

Valve cover problem


If your mechanically inclined you'll be alright, but by the sounds of it, your not even sure what that part is, ( no offence intended) so if that's the case, yes I would have it done, but don't be afraid to get a quote first.(Repairpal.com) quotes $78-$127 which includes parts & labor. Usually small garage's on low price end, and dealerships on high end.

Feb 16, 2009 | 2000 Toyota Corolla

1 Answer

4.7 liter jeep motor making tappinf sound and motor is missing


sounds like the lifters losed prime! here is a little trick that ive learned add a half off quirt off transmission fluid to the oil to prime the lifter

Nov 30, 2008 | 2002 Jeep Grand Cherokee

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