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#1 Alec J

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Posted 27 August 2013 - 09:00 PM

Hi guys,

 

Recently my car has been making some sort of fluttering squeal noise. Seems to be coming from the belt.

 

I have some belt dresser spare in which spraying on the lower belt seem to fix for a week but its back again! Spraying again this time had no effect :(

 

Is there anyway to remove this annoying noise as without it the engine is silent and lovely but this noise irritates me.

 

 

If not how easy is it to change the belt? Looking on eurocar parts drive belts are around £10 so not expensive at all.

 

Thanks

 

Alec



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#2 Mike77

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Posted 27 August 2013 - 09:06 PM

I very much doubt its the actual belt that is making the noise, more than likely going to be a pulley or idler wheel.

#3 Alec J

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Posted 27 August 2013 - 09:18 PM

I very much doubt its the actual belt that is making the noise, more than likely going to be a pulley or idler wheel.

 

Any suggestions on my next checks? Where about is the pully or idler wheel located?



#4 IINexusII

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Posted 27 August 2013 - 10:13 PM

youll need to take the belt off and check each pulley for any play



#5 vibeone

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Posted 28 August 2013 - 08:49 AM

I had this on my last focus (mk1.5).  Changed the cheapo idler, and the £90 tensioner, and it turned out it was the crank pulley - ford dealer didn't spot it, but another place removed it to look at it and the pulley fell to pieces as it was removed.  New one on, at low cost, problem went away.

 

Then I sold the car about a week later. Oops!



#6 Alec J

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Posted 28 August 2013 - 09:28 AM

Its making a horrible racket today, may go and record the noise so you guys can listen and suggest the next best thing.

 

Engine and other components run perfect.



#7 vibeone

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Posted 28 August 2013 - 09:29 AM

Its making a horrible racket today, may go and record the noise so you guys can listen and suggest the next best thing.

 

Engine and other components run perfect.

 

Record it - I did the same, so might be able to remember.

 

If it the belt though, despite what I said above, it could be anything on it, pulleys, tensioners, alternator, air con, etc



#8 Alec J

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Posted 28 August 2013 - 09:34 AM

Record it - I did the same, so might be able to remember.

 

If it the belt though, despite what I said above, it could be anything on it, pulleys, tensioners, alternator, air con, etc

 

Cant be aircon as it happens while thats off,



#9 vibeone

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Posted 28 August 2013 - 09:37 AM

Cant be aircon as it happens while thats off,

 

The belt is still tensioned against/around the pulley though mate.

 

You can confirm its NOT the air con if you have a belt from a non-air con car (belt is shorter, just miss out the air con, doesn't foul apparently)

 

That said, I'd be surprised if it is the air con!



#10 IINexusII

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Posted 28 August 2013 - 10:33 AM

Cant be aircon as it happens while thats off,

 

the aircon pulley is still spinning as part of the belt assembly, it just engages the clutch to the compressor when you turn the AC on



#11 Alec J

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Posted 29 August 2013 - 08:14 AM

Its weird that once i sprayed the belt that the noise stopped.. so wouldnt that indicate its the belt?

 

Ive uploaded a recording of the sound, you can also hear a rattling which sounds like the thrust release bearing.

 



#12 vibeone

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Posted 29 August 2013 - 08:19 AM

Its weird that once i sprayed the belt that the noise stopped.. so wouldnt that indicate its the belt?

 

Ive uploaded a recording of the sound, you can also hear a rattling which sounds like the thrust release bearing.

 

 

Hi,

 

When the crank pulley went on mine (ie: when it was faulty, but not in multiple pieces), it chewed a belt til the belt DID make a noise (frayed etc), replaced belt, ok for a very short time, then the noise came back - dropped some chalk on it, and again it went away - for a very short time.  I think it just masks the problem, although depending on when the belt was changed - it might be worth swapping?

 

Can't open that file unfortunately?



#13 vibeone

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Posted 29 August 2013 - 08:20 AM

Oh went, it works in the quote.  Gotta be honest, parts sound different, then at the end I thought 'yeah... thats the same'.

 

So take from that what you will!



#14 Alec J

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Posted 29 August 2013 - 08:22 AM

Easy way to get at the belt and pulleys would be to drop wheel off and take inner lining out? Will have to have ago over the next week as its driving me insane.. without that noise the engines silent.



#15 shamus1

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Posted 29 August 2013 - 07:02 PM

one way clutch pulley on the alternator had same noise on a Peugeot 307 which is same engine.



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