Question about 2006 Land Rover LR3

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Whining noise alternator

Does the alternator make a whining noise when it's starting to go out?

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Sometimes it does. Make sure the noise is really coming from the alternator. I would pull the alternator off the car and take it to Autozone to have them test it for free. The noise should be present there too.

Posted on Jan 14, 2013

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Posted on Jan 02, 2017

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Have a whining noise in my engine, replaced alternator 2 times, garage said it was tensioner, replaced, still have whining, loud on start up, changes pitch when gears change, another alternator?


Hello Kim,

What type of vehicle are we discussing here? Engine? 2 WD? Transmission?

Is the whining noise present at idle?

Is your vehicle air conditioned?

I need some details to provide assistance.

May 29, 2016 | Cars & Trucks

1 Answer

Recently developed a whinning when I first start to move


Where is the whining noise actually coming from .. engine/gearbox or elsewhere?
A whining/screeching noise could be a drive belt .. such as the belt that drives the alternator.

On a manual car it could be the clutch bearing making the noise until it warms up. Does the clutch make a noise when you depress the pedal? That's the thrust bearing .. the bearing that operates the clutch.

I don't think you have too much to worry about. If you had engine trouble there would be knocks, rumbles and strange noises at all speeds.

A whining noise is usually associated with something spinning/turning .. such as a pulley/idler on a drive belt or a bearing alternator.

Put your mind at rest - get a mobile mechanic's opinion.

Feb 16, 2016 | 2001 Buick Park Avenue

1 Answer

Whining noise when extreme cold days, that goes away when my 2005 Mariner warms up. Seems to come and go until the car warms up.


Alternators can sometimes whine when start up on a cold morning, they run on full load till they get the battery back up to full charge. When the whining stops, switch on electrical equipment (Headlights, fan full boost, heated rear window) if the whining starts again its the alternator.

Jan 23, 2014 | Cars & Trucks

1 Answer

Every time I press my gas in my car I hear this whining Noise and I'm trying to see what it is that whining noise


does the noise sound like its coming from your speakers? if so and if it gets louder with engine rpm it is called RFI (radio frequency interference) its coming from your alternator and being picked up by your radio and coming through your antenna. hope this helps.
,Vinny

Feb 25, 2013 | Cars & Trucks

1 Answer

My 1999 cougar is making a whining noise and cuts out also


Assuming it is not the gearbox (gears can whine). See if you can locate the area. As a starting point check items with bearings - Alternator, water pump, check the fluid for the power steering (this would be my first thing to check),

Jan 23, 2013 | 1999 Mercury Cougar

1 Answer

2006 tacoma whining noise


I never suggest flushing a trans

Just remove the pan & clean

If you want most of the fluid out,
drive it a week or so then drain again.

I suspect the noise is the trans pump,
but don't know exactly how any dirt sediment
flushed into it would cause a noise

Jan 22, 2013 | 2006 Toyota Tacoma

1 Answer

Whining noise while engine is revving/accelerating


check power steering pump fluid, with engine off try to wiggle every pulley if any move at all that's your culprit, power steering, alternator, idler puller, water pump, but sounds like bearing failure

Jun 08, 2012 | 2006 Hyundai Getz 1.4

1 Answer

While driving i hear a whining noise coming from under the hood, but it doesn't do it all the time


Could be the alternator bearings,or a pulley sounding off when alternator is under more of a load.You're not running the power steering fluid low,are you?That makes a noise when you put slight pressure on the steering, but I doubt it's your problem. don-ohio

Oct 29, 2011 | 2002 Lincoln LS

1 Answer

Continued battery drain and high pitched noise when car started


Maybe the alternator is bad. A high pitched whine could mean that the alternator is not working properly.

One can test, by removing the belt to the alternator and running the engine and seeing if the whine goes away.

Jan 16, 2011 | 2000 Toyota ECHO

4 Answers

I have a high pitched noise which appears to be coming from front right engine compartment (as you are looking at the engine) which sounds kind of like a belt that is squealing. It is intermittent. Just...


Could be several things. WHICH ENGINE?.. 4 cylinder (has three belts, power steering/water pump, alternator & A/C compressor, one tensioner pully A/C compressor), The V6 2.7 (has only one belt, 1 Idler pully and 1 tensioner pully), the V6 3.5 has two belts - A/C/alternator, and power steering - there are two tensioner pullys). Noises can be caused by the belt(s) themselves, pullys, bearings, pully bearings, water pump shaft bearings (or belts/pullys rubbing up against something). Let's not forget that there is also belt(s) behind the Timing Belt cover as well as pullys and bearings associated with the timing system. You could start by removing one accy drive belt at a time (alternator, water pump, compressor, power steering, etc) to see whether or not the noise goes away in each case. If after each case, you discover the noise is still there, it's probably behind the timing belt cover (idler/tensioner pully, water pump shaft bearing, crankshaft bearing, etc.). Good Luck

Jun 29, 2009 | 2004 Hyundai Santa Fe

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