Question about 1994 Jeep Grand Cherokee

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Tapping noise in top of motor - 1994 Jeep Grand Cherokee

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Your lifters will need to be adjusted.

Posted on Nov 07, 2010

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2008 SR M11 ford


Listen to the noise. Is it on top or bottom of the engine. Is the noise more like tapping or knocking(deeper sound). Neither is good. The reason it goes away is higher RPM's creates more oil pressure.

Dec 18, 2016 | Ford Cars & Trucks

1 Answer

Sudden loud noise


Not a vacuum hose. If it is coming from the top of the motor, I would first check the oil. If there is a hole punched into the oil pan , you may be very low on oil. If oil's fine, I would suggest looking at the transmission housing. If the manhole came up and hit the housing, it may have cracked that, or cracked the fly wheel. One more thing I'm thinking is that if the manhole hit your starter, and pushed it up, It may have cracked the fly wheel. This can make it sound like it's at the top of the motor. Very loud tap tap tap tap. If you excellerate, the noise will go faster too. I just can't see a manhole doing any damage to anything in the top of motor. Make sure you check the oil ASAP. Hard to tell without hearing it. A video would even help. Let me know what you come up with. Good luck

Jan 17, 2013 | 1999 Lincoln Navigator

1 Answer

Tappin in the motor not vales or lifters


Tapping noises in a motor are sometimes hard to pinpoint. Does it sound like it's coming from the top of the motor or the bottom? Is it a light tap or a heavy knock? Is the motor oil at its normal level? Is there good oil pressure? Does the sound get louder with more RPM's? Is it possible the sound is coming from one of the accessories like the a/c compressor, power steering pump, alternator or other accessory. If you disconnect the spark plug wires one at a time, does the sound disappear? (be sure to disconnect only one plug wire at a time.)
Hope this helps.

Feb 11, 2011 | 2006 Pontiac Torrent

1 Answer

Noise motor on 03 santa fe a guy told me it sound like the lifters but i want to be for sure


Hi if your getting a tapping noise on the top of the engine then yes it's the lifters making the the noise but before changing the lifters check that oil pressure is where it's suppose to be and that the oil is circulating and you have a good amount of pressure getting to the lifters if that's ok then replace lifters good luck

Sep 02, 2009 | Hyundai Santa Fe Cars & Trucks

2 Answers

Engine has knocking noise. Oil is good. Started


Engine knock Huh? In order to qualify the term "Knock", Let me get you to perform some simple task/observation. Typically, if you hear a noise on top of your motor that can be described as a light knock, usually going tap, tap, tap, tapping along at double the tempo, of your motor spinning, Your oil pump may be having trouble getting oil to the top where the valve's and rocker arms are. If you hear a "Knock" by bending over or kneeling beside one of your "front wheel well's"and stick your head up to the well, providing a vantage point to "hear" whats going on at the lower part of the engine. A knock from here will/can indicate a potentially overheated, under lubricated, rod or crank bearing that could seize the motor. This (theretical) crank bearing would be sounding off at half the tempo of the rocker arms above., with a deep, dark klunk that would defintly present itself as the sort of noise that damages metal parts. Now, that being said.....common sense goes a long way, people....1.) Most people are aware of the maintenance that has been performed on a particular engine, the quality and quantity of that maint. and when the last time it was ran out of oil or water. For those who fall into the " lack of maintenence" catagory, you probably already know why your engine or driveline sound as it does. If you happen to take particulary good care of your car, there is a good chance that whatever noise or "happening" might be going on, it'll be much easier to remedy. There are always exceptions to every rule. Remember, its not what will happen, it's what can happen. Take care of your car, and it will take care of you. Theroad

Jul 16, 2009 | 1997 Geo Metro

1 Answer

Valve train noise


If the tapping noise speeds up with engine speed, a bad valve lifter.Depending on if it has hydraulic valve lifters.

Mar 15, 2009 | 1990 Acura Legend

1 Answer

No air to the feet on my Mercedes C320-2003


a ha... the motor which control the flap is machanically jam or the motor is malfunction..
u can heard tap tap tap tap tap sound once u on ur car... after few minutes the sound will dissapear...
try to open the cover and check if the motor is function properly or machanically jamed..

Nov 19, 2008 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

1 Answer

Ticking noise in engine and blue smoke in exhaust


the tapping are the lifts tapping because there is no oil getting to the top of the motor. the blue smoke is the oil burning.could be the head gasket is going bad or the piston rings are done in.

Sep 24, 2008 | 1990 Ford Ranger SuperCab

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