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Intermittent squealing under the hood

Starting auto mainly in morning there is a continuous squealing stops when engine warms up

Posted by Anonymous on

5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

m036_094
  • 107 Answers

SOURCE: Engine Smoke

last month is not that long ago I would take it back the the guys who did the water pump and have them look at it it could be as simple as a loose hose clamp or a hose that has fatigue and is starting to leak.

Hope this helps you out.

mike

Posted on Jan 07, 2009

  • 8404 Answers

SOURCE: I have a '99 Ford F150 and the main belt snapped.

It would appear that some device that is belt driven is stalled. Find the pulley that doesn't want to turn. If they all turn (except the crank shaft of course) replace the belt and see what happens. If you do find a pulley that will not turn, you will have to repair what ever it it --- water pump - alternator- A/C - air pump - power steering or other device.

Posted on Mar 11, 2010

  • 114 Answers

SOURCE: Engine noise {squeal ] Ford 4 L 2001 . Engine

powersteering pump going out if not waterpump one of those pullys on the front of those going bad

Posted on Sep 24, 2010

cstevenssr
  • 1 Answer

SOURCE: 2001 escape squealing noise when engine is under presure

Use a mechanic's stethoscope to locate the culprit sqeal. Have a technician rev the engine, in order to produce the squeal. Lay the stethoscope tip utop the water pump, nearest the armature. Locate squeal in this fashion against the idler pulley(if applicable), the alternator, the air conditioner compressor, power steering pump (if applicable), the cam shafts (if applicable), and finally the crank. This will help isolate the location of the squeal.7_20_2012_9_07_34_pm.jpg

Posted on Jul 20, 2012

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I had something similar with two seperate vehicles after replacing everything I could think of it turned out to be a bad bearing in my alternator on both vehicles.

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Squealing noise under the hood


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I hear a whistling/squealing noise when I start my vehicle in the morning. It only lasts for about 10 minutes as I drive the vehicle. What can this be?


will try to help.you may have a bad serpentine belt, when's the last time you've replaced? or could be a bad engine component. altenator,[starting problem,dragging when trying to start] [grinding when turning the steering wheel] overheating.maybe a bad water pump]bad tensioner pulley which maintains constant tension on the whole belt that drives everything? look under the hood with engine running in park and emergency brake on.; do you see the main belt wobbly? if so what pulley? if you don't know,take to a parts store and ask. you have a belt squeal 1st thing when you start engine? my first diagnosis,bad belt,the rest is diagnosing further issues.thank you for choosing fixya.com

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Hi, i have a toyota fielder 1.8cc with a some problem which has now come up. when i switch on esp in the morning after staying overnight, it produces some really annoying sound from the engine. when the...


If it is a 'squealing' noise it's probably the alternator/power steering drive belt. Before you turn on the engine in the morning, lightlt smear or spray some oil on the inside of the drive belt to lubricate it. If the squealing stops/disappears, then that's the fault ..

That squealing noise can be caused by an incorrectly tensioned belt, or a worn belt. Replacement is the only option.

The other frightening sounds can best be described as 'rattles' or 'tapping'. When a car stands overnight all the oil drains back into the sump (oil/pan).

There are two things (usually) that can be cause the rattle/tap:
1. Because the oil hasn't been pumped around the system, at start up worn big end bearings can rattle and tap on the crankshaft until the oil 'fills the gaps'. The tapping/rattling goes away as the engine warms and oil is pumped around the lubricating system.

A 'bottom end tapping' is a symptom of worn big ends (they are bearings at the bottom of the piston and fit around the crankshaft).

2. A rattle/tapping from the top of the engine can either be a worn camshaft or 'lazy tappets'. Again, when the engine warms and oil gets to the camshaft and tappets (also called 'hydraulic lifters) the noise will disappear.

If your car has this rattling/tapping noise - identify whether it is coming from just under the rocker box (ie the camshaft/tappets..) or the bottom end of the engine (big end bearings).

If the noise is coming from the top of the engine, try an oil change with a can of thick 'additive' included. A lazy tappet (lifter) isn't too much to worry about. A worn camshaft will affect the performance of the engine, though continue to do its job. An oil change with an additive included may help in quitening things down.

A bottom end tap/rattle (or 'knock') - the sooner that is sorted out the better.

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2000 Mitsubishi Galant 4 cyl ES underhood squeal on right side


Be gentle with my rating. I am a long ways away. It sounds like a fan belt. You should pop the hood next time and see how it sounds when you have the squeeling going on. Fan belts will squeel until the get warmed up and then stop because the heat makes them grab the way they are ment too. Let me know, Raz

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2000 Town&Country battery warning light


I would check your water pump,it will squeal when going bad and leak out the bottom thus causing steam as engine warms up.

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Intermittent - sounds like a cat caught under the


From what you have described I believe what you have is intermittent belt squeal in the serpentine belt. These tend to squeal in cold and damp weather and usually the noise will typically dissipate once the belt warms up from friction and radiated engine heat. (This is not always the case however).

You should check the belt for age and wear and, if in doubt, replace it as these are quite inexpensive items which need periodic replacement in any event. Also make sure the current belt - and any replacement - is properly aligned on the pulleys.

If you have no record of when the belt was last changed I would replace it even if it looks ok. These are easy and quick for an experienced person to replace.

Often when you replace the serpentine belt the squeal will disappear but return again as the new belt "wears in".

There are some temporary fixes for noisy belts which sometimes work (such as removing it and lightly spraying the belt with "Belt Grip"). There are also 1 or 2 others but I would not recommend them.

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