Question about 2004 Toyota Tacoma

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Tapping noise on start up then fades away all together within 30-40 seconds, could this be wrong verosity oil or? 2004 workmate 2.7 petrol hilux

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  • Dan
    Dan Jul 05, 2010

    How is oil level? Do you remember last time oil was changed? How many miles does car have?

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The tapping is normal at start up, and is caused by lack of oil at the top of engine. The sound goes away within the time frame you stated (30-40 seconds). You have nothing to worry about.

Posted on Jul 05, 2010

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Posted on Jan 02, 2017

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Can anyone please assist me? I'm looking for the specs on the 2.7 vvti hilux raider d/c


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Aug 22, 2016 | Toyota Cars & Trucks

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Tapping at start up, oil full. What's wrong?


Possibly failed seal in lifter. It's worth trying an engine additive after an oil change. Cheaper than a rebuild.

May 09, 2015 | 2005 Nissan Sentra

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Tapping noise - oil pump?


Its possible the oil pump is going bad, but I doubt it would make the noise you describe.
Usually a tapping noise is a valve lifter or a piston connecting rod.
And low oil pressure could cause either, as well as dirt blocking one of the oil passages in the engine block.

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Nissan Almera DCI 1.5 diesel, Whilst driving engine developed a loud rattle, bit like a machine gun, this noise lasted for about 2 miles then faded away, any idea what caused it ? Please reply to ...


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Feb 15, 2011 | Nissan Altima Cars & Trucks

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Hi I am have a 95 petrol/gas Hilux.There is a slight tapping noise when it idles.It disappears when I am driving at higher speeds. What might it be and how might I fix it.Thanks


this may be the first signs of an oil pump getting weak. Use an engine flush with next oil change and be sure to use a high quality oil. Lucas oil treatment may also help. use as directed.

Jan 16, 2011 | 1995 Toyota Pickup

1 Answer

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

2 Answers

When ever i first start my blazer up i can hear tapping on my motor then it fades away do you know what it can be?


Sounds like the lifters are tapping until the oil pump get oil up to them. Could be oil leaking out the top of the motor or your lifters may need adjusted.

May 29, 2010 | 2000 Chevrolet Blazer

1 Answer

Tapping noise


A tapping sound could be lifter tick, or rod knock... if it goes away, what you have is lifter tick, check your oil, low oil makes it worse.

Oil pumps up the hydraulic lash adjusters in your valve covers, at lower RPMs, the oil pressure is lower and will not fully pressurize them. Try holding your rpm at about 3500 or so with the car in neutral (parked) and see if it goes away, it should.

In later years (I think starting in 97 or so) mitsu started using a larger bore so called "third gen" lash adjuster. They don't tick as much, but they still do at times.

The good news, lash adjusters are not THAT hard to replace, figure a set of 24 will run you less than 150 in parts.

The better news, it doesn't hurt anything, as long as you can live with the sound, there isn't any reason to change them.

Good luck,
Scott
Iceman_ii on 3si.org

Sep 23, 2008 | 1994 Mitsubishi 3000GT

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