Benzine
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| posted on 16/11/10 at 05:10 PM |
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Car making a strange noise
My volvo 960 has started to make a weird noise. It doesn't start until I've driven for a few minutes. I've tried hard to think of a
way that best describes the noise but literally the best I can do is 'a baby owl trapped in a tractorbeam'. Not a harsh grating sound but
a smooth kind of woowoowooowooowoo.
It doesn't change with engine revs so I'm pretty sure it's drivetrain. If it were a wheel bearing would it make the noise all the
time? Doesn't seem to change when I go round corners sharply. Prop related? Diff?
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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lewis
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| posted on 16/11/10 at 05:15 PM |
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Belt pulley?
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Benzine
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| posted on 16/11/10 at 05:19 PM |
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quote:
Originally posted by lewis
Belt pulley?
Noise doesn't change with engine revs, only car speed 
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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AndyW
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| posted on 16/11/10 at 05:20 PM |
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quote:
Originally posted by Benzine
My volvo 960 has started to make a weird noise. It doesn't start until I've driven for a few minutes. I've tried hard to
think of a way that best describes the noise but literally the best I can do is 'a baby owl trapped in a tractorbeam'. Not a harsh grating
sound but a smooth kind of woowoowooowooowoo.
It doesn't change with engine revs so I'm pretty sure it's drivetrain. If it were a wheel bearing would it make the noise all the
time? Doesn't seem to change when I go round corners sharply. Prop related? Diff?
Sorry but me just being silly, I thought you ment the car wouldn't starts so how could you drive a few miles?
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Benzine
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| posted on 16/11/10 at 05:22 PM |
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quote:
Originally posted by AndyW
Sorry but me just being silly, I thought you ment the car wouldn't starts so how could you drive a few miles?
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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matt_gsxr
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| posted on 16/11/10 at 05:26 PM |
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Sounds owl related to me. 
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philw
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| posted on 16/11/10 at 05:46 PM |
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quote:
Originally posted by matt_gsxr
Sounds owl related to me.
Perhaps you should Tweet it, you may get a response
Must try harder
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blakep82
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| posted on 16/11/10 at 05:59 PM |
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Description
owl face
brake drums on the back? rubbing there paerhaps? sounds obvious, but will be something rubbing i think, rather than something worn, but the only doing
it a few minutes after starting to drive, sounds heat related, prop shaft touching exhaust? does an exhaust expand much when it heats up?
or do you have an owl living in the boot? have you checked? i'm told they get a bit car sick
[Edited on 16/11/10 by blakep82]
________________________
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don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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adithorp
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| posted on 16/11/10 at 07:18 PM |
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Sound like a wheel bearing is the most likely cause. They don't always vary with cornering load and expecting them to often sends you off
chasing red herrings. Try jacking up and giving each wheel a spin. Again this isn't foolproof as the load is then on the opposite side of the
bearing.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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speedyxjs
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| posted on 16/11/10 at 07:33 PM |
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Have you looked at your brakes? Could be something stuck in the pad?
How long can i resist the temptation to drop a V8 in?
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Canada EH!
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| posted on 16/11/10 at 10:20 PM |
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does the noise change while coasting down hill in neutral?
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Paul TigerB6
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| posted on 16/11/10 at 10:55 PM |
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woowoowoowoowoo
Its not the siren from when it was a police car is it?? It'd be a T5 if it was i guess
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Benzine
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| posted on 17/11/10 at 09:37 PM |
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quote:
Originally posted by Canada EH!
does the noise change while coasting down hill in neutral?
Nah it stays the same
Thanks for the ideas, I'll try jacking up the car and checking the bearings soon. Nice owl, Blake!
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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blakep82
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| posted on 17/11/10 at 09:41 PM |
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yeah, she was awesome, she kept shouting 
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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