Xoutpost.com - ac compressor squealing after belt removal

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- - ac compressor squealing after belt removal (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/101284-ac-compressor-squealing-after-belt-removal.html)

THE VEIN

07-27-2015 06:02 PM

Quote:

Originally Posted by Alika808 (Post 1045971)

As I mentioned above, the tensioner (adjusting) pulley will do that for you if the thing works properly. You cannot do manually adjust or tighten the belt.

so these tensioners that comes on our cars are 1 time use? because this is the first time I loosened the belt since switching to a hydraulic tensioner

THE VEIN

07-27-2015 07:12 PM

Quote:

Originally Posted by trader4 (Post 1045984)

No, they are not one time use. The tensioning mechanism lasts a
very long time. The bearings on the pulleys can fail, but they typically
last 100K+ miles too.

that's what I thought. I have maybe 20k miles on it so I doubt it has failed

Alika808

07-27-2015 07:54 PM

FYI

https://www.youtube.com/watch?v=Tzx0kIKRD1g

upallnight

07-27-2015 09:43 PM

Seeing that he has the M54 engine, this is a better video on replacing the belts.

https://www.youtube.com/watch?v=eWvwzN7VQl8

THE VEIN

07-28-2015 11:19 AM

well I ended up taking off the belt and putting it back on and the noise went away :dunno:

bcredliner

07-28-2015 12:43 PM

Do you know why the noise went away? What did you do that was different than the first time?

garrett.fell

07-28-2015 01:54 PM

I installed the belt "wrong" once (I think I had it on the wrong side of the idler or tensioner) on my N62

It would squeak a bit when I blipped the throttle. I think I ran it for about 25 miles before I figured out what was wrong. Oops.

Sent from my iPhone using Tapatalk

bcredliner

07-28-2015 02:00 PM

I have made many similar mistakes along the way. Like you I just say oopsie. When I stop learning I start dying.

THE VEIN

07-29-2015 10:05 AM

Quote:

Originally Posted by garrett.fell (Post 1046046)

mine was only squeaking above 2500 rpm with the ac on. luckily I only did about 4 miles before I fixed it

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