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  #1  
Old 07-16-2018, 12:10 PM
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Blower Motor or Sampler Fan?

Hi guys, bought an 02 x5 a few weeks back and have been having problems with the aircon/heater fans making a noise. Its got worse since the day I got it.

Heres a link https://www.youtube.com/watch?v=3kHFKRuMuC8

I've been googling around and I'm thinking it might be the blower motor? hoping not as its a huge job so thought I'd ask for some advice first.. any help would be hugely appreciated! If theres any way I can test which of the 2 this may be would help.

Thanks in advance!
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Old 07-16-2018, 02:42 PM
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Well...you can at least discount the sampling fan. It is located behind the left grid in the IHKA control panel and only has one speed. So increasing/decreasing the IHKA's fan speed button wouldn't increase/decrease the noise...as well as the noise/sound wouldn't be coming from the dash vents when you put the microphone up to it.









{this is the little sample fan inside the IHKA...pics are from a DIY from BimBoard e38 forum}



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Old 07-16-2018, 03:07 PM
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Thanks for the reply!
so looking like the blower motor? I think I'm going to try the lube trick iv seen posted on here, just struggling to find a long straw for my silicone spray at the moment.

Iv been trying to find some videos of people with a similar problem but I havnt heard any that are anywhere near as bad as mine! It's strange as it just seemed to appear from nowhere. No build up just fine and then this starts!
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Old 07-17-2018, 10:13 AM
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Definitely the blower motor. Were that mine I would figure out the best place to drill a small oil maintenance hole to lubricate.
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Old 07-17-2018, 10:43 AM
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Quote:
Originally Posted by andrewwynn View Post
Definitely the blower motor. Were that mine I would figure out the best place to drill a small oil maintenance hole to lubricate.
Ye I might try that actually! Iv got an endoscope coming for my phone in the next few days so I'll have a look around with that and see where I can get to it.
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Old 07-17-2018, 10:45 AM
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That's a good idea. I bought the depstech model amd though the interface is very rough around the edges it works pretty well
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