Question about 2004 Audi A4

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Soulds like valve clicking noise for about a sec during startup the goes away. when I changed the oil and filter I heard the same thing once I started the engine to let oil circulate through engine

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It's normal. When the car has sat, the oil drains down to the pan. On startup, you're starting an engine with no oil pressure (any car is like this), but once the pressure pumps up after a second or two, the noise goes away. Don't worry about this - it's normal.

Posted on Jan 03, 2009

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Just bought a 2016 Kia Sedona van. When starting it, it sounds really loud when cranking it up. It goes away after a while. Is that normal?


probably not but it depends on the quality of the oil in use , the wear on the engine and the quality of the filter used
quality oil filters have a non-drain back valve in the case and that holds oil in the hydraulic followers so any noise quickly goes as oil pressure comes up
worn followers and rocker arm bushes and shafts will allow oil to escape and will take longer to build up pressure

lastly if the viscosity of the oil in use is too low (10W instead of 20W) then any wear allows the pressure to be low and so noise will be heard for a longer period of time

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Pound ticking noise when my 99 durango starts goes away after the engine warms up


The ticking noise could be a faulty hydrulic valve lifter. When last was the oil & filter changed, it coul be that the oil is thick and not going through to the lifters and when it warms up the oil is thin. It could be that the engine is need of an overhaul as 148.000 miles is 238.182 Kilometers and that is a hi milage.

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02 Pomtiac Bonneville SSEI Help?


This sound like you have either delay on internal lubrication to tappets,most probably due to correct oil either change or viscosity.
In how many miles you do change the oil ? Just do an engine oil flush and a engine oil & filter change using also a viscosity improve and follow for a different engine behavior.

Nov 22, 2013 | Cars & Trucks

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Makes like a ticking or light knocking noise at start up, whether it's hot or cold outside. I usually let the truck idle for a while and it goes away.


Usually a sign of needing an oil change. My Dodge Dakota does the same thing, when I change the oil it goes away. Every couple of oil changes I use kerosene to clean out the gunk, just put kerosene in place of the oil, let the motor run for a minute then drain, replace the oil filter, and fill with oil, then you're good to go.

Mar 30, 2011 | Dodge Ram 1500 Cars & Trucks

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I have a 2004 Toyota Tacoma. During the last 2 months when I start the truck in the morning I hear a "tac, tac, tac, tac ...." noise for 30s to 1 min than it stops when I drive away. This...


This is most likely a noisy lifter (or valve tappet). In cold weather, the clearances in the valve train open up because metal contracts due to the cold. Once the oil pressure comes up after start the noise goes away because the larger clearance fills with oil and the lifter becomes "cushioned" with the oil. The proper fix is to have the valves adjusted. I believe in your model, that is done by putting shims on the lifters. This will quiet the noisy lifters. In the short term, you can try using a lighter weight oil for cold weather. This will get the oil to the lifters faster after start up and quiet the tapping more quickly. Once the weather warms again, shift back to the normal weight.

Jan 09, 2011 | 2004 Toyota Tacoma

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I just bought a '02 Jeep Grand Cherokee and the oil press. indicator is always on H. I heard the engine during idle making a "clancking" sound which i heard before in cars with the wrong oil type...


I would recommend changing the oil and filter, using the correct oil. It's possible the wrong oil could cause the noise. Wait and see if the oil change has any effect on the oil pressure reading. If it doesn't, change the oil pressure switch or sending unit.

Dec 31, 2010 | 2002 Jeep Grand Cherokee

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There is a clicking noise from the engine,changed the fly wheel ,no difference.Checked the valve springs they were all good.there is a miss fire in the no.4 cylinder but when you give her gas it goes away....


Sounds like you have a sticking valve. Drain about 1 quart from your oil. Pour a bottle of engine cleaner into the oil. Let the engine run for about 5 minutes, turn engine off and let the oil drain back down, give the oil time to cool. Drain your engine oil and replace the oil filter and new oil. Sometimes this will have to be done 2 times. But I would do this once and then do this again in 500-1000 miles. the reason you hear the noise go away is, the engine reaches a higher rpm the vales are working faster and harder preventing it from sticking.

Jun 16, 2010 | 2006 Chevrolet Silverado 2500HD 2WD

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Noisey motor on startup, valve train noise goes away after warming up


A couple seconds of valvetrain clatter are expected because the lifters are hydraulic and have to pump up from oil pressure. If it lasts longer than that, you may have some oil sludge clogging some of the feed channels. Try adding half a can of Seafoam (sold at any parts store) to the crankcase, drive it about 100 miles, and change the oil and filter - if this is the issue, the Seafoam should cure it.

Mar 20, 2010 | 2002 GMC Sierra 1500

3 Answers

I have 1997 chevy Z-71 sometimes on startup the engine makes a knocking sound for about 3 seconds and goes away. I dont know if I have a major problem or not can you help?


I think it is normal for these vehicles. My '97 Tahoe did it also and I'd heard it was normal and not to be worried about. Kind of sucks but I had 150,000 miles on mine and it was fine.

Good luck.

Aug 30, 2009 | 1999 Chevrolet Silverado 1500

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