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-   -   Whining noise- possible alternator? (http://www.perth-wrx.com/vb/mechanicals/41172-whining-noise-possible-alternator.html)

Jezza 28-03-2011 05:54 PM

Whining noise- possible alternator?
 
Hi all,

Yesterday arvo I gave the engine bay a hit with some degreaser and a bit with the pressure cleaner... Noticed some noisy belts straight after as expected but nothing else... Today I the car had a flat battery as I had left the door slightly open (it was in the garage)... so I jump started it, and instantly notice this weird whining noise that increases with engine revs.

Took it for a spin round the block, but still stays. Car drives fine, except for the noise.


Here's a quick phone vid:
[YT]<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/udiqlLnA8fo?hl=en&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/udiqlLnA8fo?hl=en&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>[/YT]


Any ideas?

I'm thinking a bearing or something, but it seems like a weird coincidence....

sic-em-wrx 28-03-2011 05:58 PM

does it make the noise louder when u move the steering wheel?

Jezza 28-03-2011 06:01 PM

[QUOTE=sic-em-wrx;549535]does it make the noise louder when u move the steering wheel?[/QUOTE]

Nope, doesn't seem like power steering

apg39 28-03-2011 06:03 PM

Can't hear anything with that sound quality. Spray some belt-grip on the belts, it may have squealed previously & you may have removed what was there before.

sic-em-wrx 28-03-2011 06:08 PM

i would say then either alternator bearing or a/c idler bearing

steenler 28-03-2011 06:43 PM

Sounds like pacman :)

Rossco 28-03-2011 07:59 PM

Sounds like mine +1000 for Alternator.

Jezza 28-03-2011 08:36 PM

Took it round the old man's place, turned out to be the alternator AND air con bearings...

If anyone has an alternator to suit 99/00 that they will let go for $50, PM me...

Hopefully gonna be able to rebuild them with new bearings

GX-REX 28-03-2011 09:03 PM

If you are rebuilding yours, I might have one here you can borrow while yours is being fixed if that helps you out??

Jezza 28-03-2011 09:04 PM

[QUOTE=GX-REX;549642]If you are rebuilding yours, I might have one here you can borrow while yours is being fixed if that helps you out??[/QUOTE]

Cheers for the offer Corrie, but I am using my brother's, as his car is not yet back on the road haha


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