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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 11-14-2012, 01:08 PM
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legend700 legend700 is offline
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Noisy electric water pump during bleeding procedure

I was surprised by the amount of noise coming from the water pump when speeding up and slowing down during the 12 minute automatic bleeding process. It sounded like the screetchy noise a worn out bearing would produce.
Before the coolant change I read many posts about it and seem to remember that some people wanted to know, how they could tell the pump was working at all, because they could not hear anything.
There is no CEL.
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  #2  
Old 11-14-2012, 01:21 PM
pcy pcy is offline
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Good [electric] water pump shouldn't make any noises except the noise of water flowing thru it. If the surroundings are quiet, you will hear the humming noise from the electric water pump when it's operating. If you are sure the screech is coming from the water pump, I'd recommend you to replace it.

Last edited by pcy; 11-14-2012 at 01:23 PM.
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  #3  
Old 11-15-2012, 07:35 AM
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legend700 legend700 is offline
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This is what the pump sounds like:

http://i333.photobucket.com/albums/m...t/P1010858.mp4
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  #4  
Old 11-15-2012, 07:41 AM
pcy pcy is offline
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legend700, if I were you, I'd be prepared to get that water pump replacement (ordering a replacement pump and familiarizing self with replacement of the water pump).
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  #5  
Old 11-15-2012, 08:05 AM
E60535 E60535 is offline
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I didn't hear any noise when I bleeded my car. I have to agree that you may be due to a new pump. Just for information if you can share with us how many miles you have on your car.
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Old 11-15-2012, 08:10 AM
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legend700 legend700 is offline
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Quote:
Originally Posted by E60535 View Post
I didn't hear any noise when I bleeded my car. I have to agree that you may be due to a new pump. Just for information if you can share with us how many miles you have on your car.
Just under 36K miles.
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