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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 05-11-2013, 12:08 PM   #1
trivium630
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sqeaking noise need help

I'm getting sqeaking noise while idling, just replace idle pulley and both tensioner pulleys , noise still there! wtf .. what else could it be?


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Old 05-11-2013, 04:40 PM   #2
lszlszx
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I am assuming you replaced the belts as well. It could be one of the accessory drives, like water pump. Take the belts off once again and spin all the pulleys, you might be able to tell that way.
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Old 05-11-2013, 07:05 PM   #3
trivium630
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sqeaking noise need help

Quote:
Originally Posted by lszlszx View Post
I am assuming you replaced the belts as well. It could be one of the accessory drives, like water pump. Take the belts off once again and spin all the pulleys, you might be able to tell that way.
yeah new belts, I'll try that, driving me nutz


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Old 05-19-2013, 10:19 AM   #4
dokjones
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I have the same issue, mine sounds like there are seals hanging out in the engine compartment. I have a video I'll try to share where I moved around the engine compartment to give a bit of a Doppler on where the noise is coming from. Previous owner said the mechanics at the dealership told him it was the heat shield but that makes no sense. Pretty sure it is coming from the belt/pulleys. I plan to replace the belt soon so I will update afterwards.
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Old 05-19-2013, 11:10 AM   #5
dokjones
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The video as promised: http://sdrv.ms/12mA2pK (sorry if I move the camera too quickly, the sound goes away from time to time)
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Old 05-19-2013, 11:58 AM   #6
trivium630
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sqeaking noise need help

mine is more of a whine or whistle , goes away when you give it some gas, guessing maybe alternator ,power steering pump or water pump,


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Old 05-19-2013, 12:21 PM   #7
dokjones
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Quote:
Originally Posted by trivium630 View Post
mine is more of a whine or whistle , goes away when you give it some gas, guessing maybe alternator ,power steering pump or water pump,


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Mine goes away when I rev over 1500 RPM in drive (automatic) or when I put the car in neutral... other times it goes away when I idle but give it gas while staying under 1500 RPM. Most of the time it will squeak a couple times after I turn the car off
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Old 05-22-2013, 12:10 PM   #8
trivium630
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sqeaking noise need help

thinking it might be my power steering pump, im gonna change this weekend and give update


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