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Audi A6 (V6 2.6) 1995 - strange swishing sound after timing belt change

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Hooch
 
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Default Audi A6 (V6 2.6) 1995 - strange swishing sound after timing belt change - 05-18-2007 , 02:44 AM






After a recent timing belt change, I'm getting a strange swishing
sound from the engine when the engine is cold - about once a second at
idle, increasing with engine speed. It disappears when the engine
warms up a bit. It's not the serpentine belt, as the noise is still
there when the belt's off. Nor is it the belt rubbing against the
timing belt covers, as I've tried taking those off too. Any
suggestions?


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MrCheerful
 
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Default Re: Audi A6 (V6 2.6) 1995 - strange swishing sound after timing belt change - 05-18-2007 , 04:51 AM







"Hooch" <HoochXX (AT) googlemail (DOT) com> wrote

Quote:
After a recent timing belt change, I'm getting a strange swishing
sound from the engine when the engine is cold - about once a second at
idle, increasing with engine speed. It disappears when the engine
warms up a bit. It's not the serpentine belt, as the noise is still
there when the belt's off. Nor is it the belt rubbing against the
timing belt covers, as I've tried taking those off too. Any
suggestions?

over tight in general? then any extra tight bits will make a noise




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Guy King
 
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Default Re: Audi A6 (V6 2.6) 1995 - strange swishing sound after timing belt change - 05-18-2007 , 06:19 AM



The message <kGe3i.25523$Ug.17059 (AT) fe1 (DOT) news.blueyonder.co.uk>
from "MrCheerful" <nbkm57 (AT) hotmail (DOT) com> contains these words:

Quote:
over tight in general?
Sounds like it - though some makes of belts are just noisy anyway. Try
dribbling a little water onto the back of the cambelt as it goes round
and see if it shuts up. In the past I've found a tiny squirt of WD40 or
silicone spray will shut up a belt with no adverse effects.

--
Skipweasel
We have always been at war with Iran. [George Orwell - almost]


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Pop Larkin
 
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Default Re: Audi A6 (V6 2.6) 1995 - strange swishing sound after timing belt change - 05-18-2007 , 06:35 AM




"Hooch" <HoochXX (AT) googlemail (DOT) com> wrote

Quote:
After a recent timing belt change, I'm getting a strange swishing
sound from the engine when the engine is cold - about once a second at
idle, increasing with engine speed. It disappears when the engine
warms up a bit. It's not the serpentine belt, as the noise is still
there when the belt's off. Nor is it the belt rubbing against the
timing belt covers, as I've tried taking those off too. Any
suggestions?

does the new belt have a sticky patch on the back, where a manufacturers
sticker had been. could be when its warm the sticky reduces.





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Hooch
 
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Default Re: Audi A6 (V6 2.6) 1995 - strange swishing sound after timing belt change - 05-18-2007 , 08:58 AM



On May 18, 10:51 am, "MrCheerful" <nbk... (AT) hotmail (DOT) com> wrote:
Quote:
"Hooch" <Hooc... (AT) googlemail (DOT) com> wrote in message

news:1179474265.500093.319730 (AT) l77g2000hsb (DOT) googlegroups.com...

After a recent timing belt change, I'm getting a strange swishing
sound from the engine when the engine is cold - about once a second at
idle, increasing with engine speed. It disappears when the engine
warms up a bit. It's not the serpentine belt, as the noise is still
there when the belt's off. Nor is it the belt rubbing against the
timing belt covers, as I've tried taking those off too. Any
suggestions?

over tight in general? then any extra tight bits will make a noise
Don't think so. When installed it could be turned through 90 degrees
with two fingers, but I'll take the covers off and check again.



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Hooch
 
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Default Re: Audi A6 (V6 2.6) 1995 - strange swishing sound after timing belt change - 05-18-2007 , 08:59 AM



On May 18, 12:19 pm, Guy King <guy.k... (AT) zetnet (DOT) co.uk> wrote:
Quote:
The message <kGe3i.25523$Ug.17... (AT) fe1 (DOT) news.blueyonder.co.uk
from "MrCheerful" <nbk... (AT) hotmail (DOT) com> contains these words:

over tight in general?

Sounds like it - though some makes of belts are just noisy anyway. Try
dribbling a little water onto the back of the cambelt as it goes round
and see if it shuts up. In the past I've found a tiny squirt of WD40 or
silicone spray will shut up a belt with no adverse effects.
I'll certainly try that and report back with results!



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Guy King
 
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Default Re: Audi A6 (V6 2.6) 1995 - strange swishing sound after timing belt change - 05-18-2007 , 01:02 PM



The message <1179496722.721180.306980 (AT) h2g2000hsg (DOT) googlegroups.com>
from Hooch <HoochXX (AT) googlemail (DOT) com> contains these words:

Quote:
Don't think so. When installed it could be turned through 90 degrees
with two fingers, but I'll take the covers off and check again.
Ah - I've done that and had belts that turned out to be very much too
tight. Perhaps I just have very strong fingers.

--
Skipweasel
We have always been at war with Iran. [George Orwell - almost]


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