Question about 2003 Toyota Corolla

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164K miles, has constant clicking noise while engine running, makes rough screech when start in the morning, and slight whistling and scratching noise when turn on fan for air conditioner or heat, also air conditioner freezes up while running and loses fan power, and overall engine power loss when stop at intersections and such

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  • 63 Answers

Might be an AC compresser thats bust

Posted on Nov 19, 2009

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Brakes make a whistle noise when applied and sometimes a low grown or grinding when coming to a slow stop or start.


A grinding or rumbling noise can also be symptoms of a wheel bearing or constant velocity joint in a driveshaft. A worn wheel bearing can also cause a 'whistling' sound (as can a worn CV joint).

A grinding noise with brakes is either worn pads causing metal to metal contact on the brake disk/rotor, or the brake backing plate catching on a spinning rotor ... or a loose/missing anti squeal brake shim (they stop the pads from rattling and vibrating).

However, as you say a mechanic has looked at the brakes and can't find anything wrong .. I think I would begin to suspect a wheel bearing or constant velocity joint on the driveshaft (front wheel drive cars).

May 05, 2016 | 2007 Honda Accord Sedan

1 Answer

I got a load squeal/whistle engine area.


If you removed the belt/s up front and have the noise. The only thing moving is the crank shaft. The noise is bad main or rod bearings. Time for a rebuild or new engine.

Jul 25, 2015 | 1995 Chevrolet K1500

3 Answers

Volvo s60 2004 makes a whistling noise and engine light says P0300 random/ multiple misfire


You have to diagnose an ignition problem,
since you have the PO300 & misfires shown,
at least for many cylinders

Could end up just being one cylinder or several
that need whatever ignition parts control them

Individual Coils for each cylinder or a module that
applies to all of them

Wouldn't use the car until resolved
As it gets worse, you will ruin the exhaust converter

No idea on the whistle

Oct 28, 2014 | 2004 Volvo S60

1 Answer

I have a 95 Buick Regal.It makes a noise when running ,but if take the belt off it stops.


it depends what kind of noise, if its a licking noise the pulleys that the belt is being turned by could be bad (belt tensioner pulley ,Idler pulley etc.) if its a squealing sound like a high pitched whistle or like a rubber heal screeching on a tile floor constantly the belt is no good there is fabric on the inside of the belt and when it wears away you will get the chirp or squealing /screeching sound from this. inspection of that belt will tell you look at the grooves if looks like shiny rubber you found it if it doesn't and the fabric is there then a pulley is the problem bad bearing can make the belt slip resulting in the squealing good luck LATER MAN!

Aug 24, 2014 | 1995 Buick Regal

3 Answers

Motor turns over normally when i turn the key but will not catch and run


When this happens have a can of spray starting fluid on hand, spray it into the engine air intake, if the engine starts you may have a failing electric fuel pump

Oct 05, 2017 | 1997 Cadillac DeVille

1 Answer

2000 LINCOLN TOWNCAR SIGNATURE SERIES LIMITED EDITION WHEN I START MY CAR IN THE MORNING I HEAR A LOUD WHISTLE- ING NOISE FOR 15 MINUTES UNTIL THE ENGINE WARMS UP AND WHISTLE NOISE STOPS. I REPLACED...


well it may help if you open the hood, then start the car and see if that helps you locate the item which is whistling. many cars have a power steering pump which likes to whistle until it gets warm. generally this is less than 5 minutes, and that is more like a screeching sound. something is either blowing out or sucking in through a small orifice to make the whistle, you need to physically locate the source of the sound. many bearings are in there spinning and any of them can be doing a cold screech.

myself I have been know to use a BFS, which is a big long screwdriver, i touch the pointy end to each of the spinning components and put the handle end to an ear. yes this process is not suggested for people with long hair or just no damn sense. but as i move the pointy end from component to component i know immediately when i touch it to the screechy one.

Dec 12, 2010 | 2000 Lincoln Town Car

1 Answer

Prius screeching noise before starting


Probably your fuel pump, have it looked at by a mechanic.

Jul 22, 2009 | 2001 Toyota Prius

1 Answer

Engine whistling when cold in morning


Your alternator is drawing alot of power trying to charge the battery.Try tightening the belt.That should fix your problem..The reason the alternator is whistling so much on cold starts is because thats when it takes the most power from the battery to start the car.And the noise from the alternator is it charging it back up..So I'd try tighting the belt that will fix the smell and watch for the battery light or alternator light in the dash come on the could be your alternator failing and you dont want that to happen..I hope this helps you fix the problem.Have a great day...

Mar 31, 2009 | 1994 Mazda 323

1 Answer

Surging and loud whistling noise


Sounds like a vacuum leak. Check all vacuum hoses on the intake, throttle body, etc. Sounds like one cracked or came off. Post back if you have any questions. Hope this helps.

Feb 08, 2009 | 1996 Chevrolet Impala SS

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