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Knocking noise in my car when I start to warm up what could that be?

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Usually Engine Wear from not changing the oil
enough since the car was new, or manufacture
defects,most of which are well known, but not really
fixable without major work

Posted on Mar 29, 2014

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Posted on Jan 02, 2017

  • 1129 Answers

SOURCE: when I start my car I hear a fast knocking noise

You have either worn out connecting rod bearings or a weak oil pump it is possible the oil pump pick up screen is clogged.

Posted on Nov 06, 2009

  • 867 Answers

SOURCE: automobile

There are a few possible causes,

1. Your oil may be too thin/old so it is not pumping properly through the motor lubricating the moving parts
2. Your oil pump may not be working properly
3. You may have worn bearings inside the motor

My advice is to change your oil add some oil stabilizer to it to hopefully prevent any further damage, Try to avoid using synthetic motor oil, Use a mineral based oil.

Posted on Mar 07, 2012

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1 Answer

2001 azteck 49000 miles use very little once every


The 3.4L engine has special pistons that are designed to expand as the engine heats up. When the engine is cold, the pistons make a knocking sound that resembles lifter noise or piston slap. As long as the noise goes away after the engine warms up, don't sweat it; this is normal.

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97 grand marquis engine makes a knocking noise


have the timing checked if its off it could be pre-ignition which some people describe as a knock. if its a heavy knocking noise it could be a piston noise or it may even be a bad crankshaft/connecting rod/bearing. have the oil pressure checked this may help to know what to do. some people describe a rocker noise as a knock but its more like a ticking noise at the top end in the area of the valve covers.

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1 Answer

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

Mar 03, 2014 | 2000 Dodge Neon

1 Answer

Knocking noinse


Sounds like a bad rod bearing. Doing an oil change with halfway decent oil will "disguise" the sound but is still there. Check oil pressure when car is warm, if u are getting a low reading it's definately rod bearing (s). Car must be completely warm. Drive around for ten fifteen minutes, then check.

Jan 22, 2013 | 2006 Kia Rio

1 Answer

KNOCKING NOISE IN ENGINE UNTIL CAR WARMS UP


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.

Mar 24, 2012 | Hyundai Motor 2002 Elantra

1 Answer

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.

Sep 23, 2011 | 1998 Honda Civic

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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...


it may need a lifter or valve adjustment when cold they will tick or knock depending on how loose or worn out then when it warms up they swell with heast and noise stops. after adjusting or replacing it will stop making noise

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1 Answer

1993 Toyota 4Runner-Knocking noise-front end-cold weather


This is Caused By the Grease in the Spindle Bearings Getting frozen. Get it Greased up really Well and you Might need to Repack the Bearings on this side to Stop this and Stop further Damage to the Spindle.

Jan 17, 2009 | 1993 Toyota 4Runner

1 Answer

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.

Dec 23, 2008 | 2001 Toyota 4Runner

1 Answer

IN THE MORNING FIRST START SOUNDS LIKE TAPPING AND KNOCKING NOISE


ck intake gaskets make sure there is no antfreze mixing in oil and breaking oil down if gakets are ok run a factory oil filter and go up agrade in oil such as 10w40

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