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Anonymous Posted on Mar 24, 2012

KNOCKING NOISE IN ENGINE UNTIL CAR WARMS UP

Car has knocking noise until car warms up. then stops.

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Liz Avila

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  • Posted on Sep 25, 2012
Liz Avila
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I have the same car, but my engine makes the knocking noise after I turn it off for about two seconds. Has this happened to anyone else? Dealership says it's normal. All this cars make this noise.

5 Related Answers

Anonymous

  • 112 Answers
  • Posted on Jan 25, 2009

SOURCE: knocking noise in engine area

big end or main bearing.

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Anonymous

  • 67 Answers
  • Posted on Feb 09, 2009

SOURCE: engine makes a rattle noise like tappets knocking

could be easy solution check under oil filler cap. there is a metal baffle sometimes the metal baffle will be pushed down causing it to hit cam shaft lobes

Anonymous

  • 1 Answer
  • Posted on Mar 07, 2009

SOURCE: 1998 Hyundai excel. Engine stops

Thanx, have fixed the problem now... wasn't the computer lol. It was the crankangle sensor.... thank you all for your help.

Ray Keckeisen

  • 599 Answers
  • Posted on Apr 09, 2009

SOURCE: my head gaskets gone and the car makes a nasty knocking noise

if you think the head gasket is blown,and now you have a knocking in the engine,replace engine, bearings are probably bad due to water in the oil.you will need special tools to even do the head gasket and timing belt. sorrry no good news

Anonymous

  • 22 Answers
  • Posted on Jun 10, 2009

SOURCE: accelerated clicking/knocking noise when i start driving

sounds like your CV joints are worn out. If the clicking noise gets worse when turning then its a definite possibility. Also check the CV joint boots for splits as this can quickly wear them out. The dust mixes with the grease to form a grinding paste.

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I have a engine knock noise on a 2000 crown victoria police interceptor. Is it rod knock or the lifters?

Piston noise makes a noise that goes away when the engine warms most times, rod knocks get much louder as the engine is loaded, Keep driving it and see what blows? Have you checked the oil pressure with a mechanical gage?
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I have a chirping noise that starts when I start the car. It used to die down as I would drive, now it's louder and does not go away as before.

The chirping noise is probably a worn belt
You should check all pulleys and belt tensioner for alignment and or looseness
The knocking noise could be an internal engine noise
Which is common for the little 2L engines and I'm just guessing that's what engine you have
Make sure to use a good quality oil filter to prevent oil drain back and also the proper weight of oil
Too thick of oil can also cause this until engine warms up
You should use 5w30 or 10w30
The owners manual may say and sometimes the oil cap will give the recommended weight of oil

If you need further help, I’m available over the phone at https://www.6ya.com/expert/rodger_15a879d9d9556eea

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2001 Lincoln Town Car Sig. .. loud knocking noise and the noise speeds up when reved or driven? what do you think is the problem? I had an oil change using 10/40 but the noise is still the same? can it be...

A loud knocking noise like you've described if it's in the lower end of the engine, is usually a Crankshaft Rod Bearing. If the knocking noise is in the top end of the engine, it is usually a lifter or a rocker arm. Either one doesn't sound good and can be expensive. You can continue driving until it stops completely or you can do as the autozone suggested and use an oil thickner such as STP although none of them work very long or quiet them down for long.
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Not getting oil to the pistons. Making knocking noise. Wont stay on.

Hello
Has the engine been run low on oil? Does the knocking get louder as the engine warms up? Have you had a automotive technician listen to this noise? Pistons don't really knock, the bearings in the engine called the crankshaft and piston connecting rod bearings do make a loud knocking noise, if that is the case the engine must be removed from the car and rebuilt.
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When I start my car I hear a fast knocking noise from the engine. my oil is fine. as the car warms up the knocking diminishes.

You have either worn out connecting rod bearings or a weak oil pump it is possible the oil pump pick up screen is clogged.
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Experiencing a "ticking" "knocking" type noise when 1st starting the car in colder weather that goes away once the blazer warms up , any help ?? I was told it could be the exhaust manifold , or piston...

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Oil light ....?

This is a faulty or damaged oil pump and screen as well. replacing the oil pump and screen will fix this issue. i would do this asap. your rod bearings are suffering at this time.
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Knocking until car warms up

Sounds like a lifter noise. worn lifters can't keep oil in them anymore so over night the oil leaks out. when you start the vehicle, you will hear a ticking noise or knocking noise till the lifters fill with oil again. only remedy is to replace the lifters.
you could try an additive but it's temporary.
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