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Engine noise,valve making a tapping sound - 2000 Buick LeSabre

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If the noise speeds up with the speed of the engine, it's a faulty valve lifter.

Posted on Sep 29, 2009

  • Richard Delahant Sep 29, 2009

    Could also be a loose rocker arm.

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I have 94 ford probe 2.0 and it makes a tapping noise and sputtering sound it cranks but cuts off.what can it be


Sounds like some valve train problem. You mean it won't run at all, just sputters when cranking? Sounds like that could be one or more cylinders not firing because of valve train problem. If you took the valve cover off from the top of the engine, you could maybe see what is causing the tapping. Not that unusual for worn parts to fall out of place and not work the valves properly. If the valves don't work correctly, you won't get the engine started.
A '94 Probe...is that a beater needing a quick fix? Engine work can get very costly, so be careful.

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Engine got a knocking cold start, silint when hot


It has developed a clicking engine noise on a cold start. After the car has warmed up, the sound goes away. ... Clicking or a sharp tapping from the valve cover on top of the engine would point to a valve train noise. A dull tapping or slapping sound from the side of the engine block would point more toward piston slap.4 Nov 2011

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Valve tap cause


Most engines now use hydraulic lifters and they can leak a little, this causes space between then lifter and the push rod. This results in a tapping noise that goes away when they get warm or fill back up.

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1 Answer

Tapping noise in engine


What's That Ticking Sound Coming From Your Car's Engine?

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Apr 18, 2014 - My engine has developed a strange ticking sound. Its whisper-quiet before an oil change, and then makes a loud tapping after a new filter and ...

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1 Answer

NOISE WHEN COLD THEN GOES AWAY WHEN WARMS UP,SOMEONE SAID MAIN BEARINGS GOING BAD


Hard to say over the internet but I will try to explain. If the noise is a distict KNOCK KNOCK and it sounds like it is coming from the bottom of the engine, then it most likely is a rod or main bearing. If it is a TAP TAP noise that sounds like it's coming from the top of the engine, then most likely a valve lifer is failing/failed.
the fact that it goes away when the car is warm, makes me lean towards a bad lifter. Normaly if a bearing is bad and knocking, the noise doesn't go away.

The KNOCK noise will be somewhat hollow sounding and the TAP TAP sound will be more solid. If the KNOCK KNOCK is solid, then a rod or main bearing has most likely failed to the point that a new/reman engine will be needed.

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1 Answer

96 Eclipse 2.0 non-turbo Engine has a tapping sound that sounds like its coming from the top of the engine. The sound is loud enough to make it difficult to tell where its coming from. I took the valve...


Most likely cause is a hydralic tappet. Mits are well know for top end noise. Note we are talking about a tapping or clicking sound not a knock. You can try using an engine flush product if the noise is getting bad and then changing your oil. Generally if the oil is not changed regularily eventually the tapping noise gets happens.

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1 Answer

Fast tapping sound from top drivers side of engine when excellerating fast any ideas?


Tapping on the top of an engine is caused by excess valve tappet clearance.

You can have a worn rocker arm also.

Loose valve tappets usually are the loudest at a constant engine speed. when there is little torgue being produced.

A worn rocker arm with a bearing problem will make more noise during acclleration.

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ENGINE HAS A TAPPING NOISE AND IT SPEEDS UP WHEN THE ENGINE SPEEDS UP, SOUNDS LIKE IT IS IN THE DRIVERS SIDE FRONT


Make sure the oil is not low first, this sounds like valve trane noise, check the valve rocker clearances they may be loose.

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2001 Chevy Metro


Check Utube for lifter tap, valve tap, and rod bearing noise. If you pull each spark plug one at a time, plugging it back in after each one, the tapping will go away if it's a rod bearing. At any rate, on your next oil change add some valve-medic or similar additive for valve noise. Make sure you follow direction or you will get massive lifter tap if you pour it into a cold engine.

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