Question about 2002 Audi A4

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No oil pressure on an audi 2 liter 20 valve engine Very noisy tappets

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Did you check the pressure first? Noisy tappets don't necessarily mean low pressure, sometimes they simply wear out.
Otherwise, either your oil pump is bad, or the oil pickup screen located inside the oil pan area is clogged up. Clean the screen first and then check the pressure...

Posted on Sep 18, 2009

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Posted on Jan 02, 2017

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2 Answers

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1 Answer

Do they wor for noisey tappets


Noisy lifters (tappets) are caused by wear in the valve train, this is a fact of life for engines and normal. Two choices, go to the next higher viscosity oil(which will only quiet it a little), or have the valve train rebuilt. I personally have seen noisy engines run 10-15 years with no major failures!

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Can the tappets be adjusted on a Hyundia Tucson 4 x 4 V6 ,2.7 petrol engine?


Not normally, if they are noisy you can try a heavier oil in the engine.

A 10-40 vrs a 10-30 and change the oil at 5000k religiously.

or you add an oil additive to knock down the noise.

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1 Answer

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1 Answer

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one or both of two things can cause this

low oil pressure to lifters
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1 Answer

What is tappet settings


Hydraulic tappets are tappets that contain a small hydraulic piston, pressurised by the engine's lubricating oil supply.[5] Although the piston does not move appreciably or frequently, it acts as a hydraulic spring that automatically adjusts the tappet clearance according to the oil pressure. This makes the valve actuation self-adjusting and there is no need to adjust the rockers. Hydraulic tappets depend on a supply of clean oil at the appropriate pressure. When starting a cold engine, with low oil pressure, hydraulic tappets are often noisy for a few seconds, until they position themselves correctly.


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Jun 15, 2012 | Cars & Trucks

1 Answer

I need the tappet setting code for a 1995 ford econovan.tappets are noisy.


There's NO code for noisy lifters. Depending on miles and previous maintenance (oil changes, etc) your lofters are probably worn. They need to be replaced and you might have an oil pressure test done to make sure there's is adequate oil pressure.

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1 Answer

I have a major tapping noise from a 3lt diesel turbo toyota surf .constant loud tapping ,quietens with oil pick up a little. not a knocking just a tapping


lifters noisy,lots of miles on engine?as oil pressure gets higher and engine warms up(everything expands a little and quietens a little)it gets better,try fresh oil thats thicker for worn engines,and or check tappets(valve adjustment)if its applicable to this engine

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2 Answers

I have a punto 55 M reg


10\40 oil ,before changing oil put an engine flush in the engine,then change oil and filter.the noise sounds like noisy tappets,the oil leak unlikely to be head gasket unless u are losing water

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