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7 Series / 8 Series
The BMW 7 series and 8 Series Forum

 
 
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  #1  
Old 01-27-2010, 04:59 PM
DJ_GMONEY DJ_GMONEY is offline
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Location: Mass
 
Join Date: May 2009
Posts: 50
Mein Auto: '98 740IL
Squeaking belt

Is there anything i can spray on my belt to stop is from squeaking every morning i get into the car? I'm on the east coast so it's probably 19 degrees outside when i start the car up. I notice it gets worst when i crank the heat. Any sugesstions?
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  #2  
Old 01-27-2010, 07:38 PM
balance balance is offline
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Location: NC
 
Join Date: Feb 2009
Posts: 766
Mein Auto: 97 740iL
Well, baby powder works but I'd try to find out why it's squeaking in the first place. Belts squeal because they are slipping on the pulleys they are passing over. I'm guessing your a/c button is lit up when you turn on the heat, causing the rpm to go up and the a/c compressor to cut on puting more resistance on the belts. I'd try narrowing the noise down but if the belts are old, you could try replacing them and keeping the old ones for spares.
 

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