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  #1  
Old 09-03-2005, 01:21 PM
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Half Cold Air, Half Hot Air from Main Air Outlet

Recently, my '02 X5 3.0i started blowing hot air from the front passenger side
air vent during normal AC operation, but the driver side blows cold. Also the rear outlet seems to be blowing hot air also. Anyone have any idea what the problem may be?
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Old 09-03-2005, 01:24 PM
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Hasnt happened to me but it sounds like the final stage resistor.

Anyone else care to comment?
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Old 09-03-2005, 01:30 PM
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Don't Think so...

Final stage unit affects fan speed or can cause not operation at all. A month are so ago, I couldn't control fan speed - operated at just one level. Ordered and replaced Final Stage Unit and that took care of that. I ssems that maybe this time, it's something controlling an individual flap control for the passenger side temp setting.
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Old 09-03-2005, 01:31 PM
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Quote:
Originally Posted by srfishooks
Final stage unit affects fan speed or can cause not operation at all. A month are so ago, I couldn't control fan speed - operated at just one level. Ordered and replaced Final Stage Unit and that took care of that. I ssems that maybe this time, it's something controlling an individual flap control for the passenger side temp setting.
I believe you are correct. It's not the FSR. What happens when you adjust the controls for the passenger side temp settings?
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Old 09-03-2005, 01:59 PM
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Temperature does not change; still hot air.

Just found out the there are separate stepper motors for controlling the driver and passenger side air temperature. Sounds like either its the stepper motor or control unit it is connected to.
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Old 09-03-2005, 02:03 PM
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Page Persona non Grata. He had the same thing happen to him and it was decided that the refigerant needs recharging.

Quote:
Originally Posted by srfishooks
Recently, my '02 X5 3.0i started blowing hot air from the front passenger side
air vent during normal AC operation, but the driver side blows cold. Also the rear outlet seems to be blowing hot air also. Anyone have any idea what the problem may be?
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Old 09-03-2005, 02:10 PM
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yesterday i went to pick up my car the dealer and i came out with NO COLD AIR AT ALL. my SA looked at it and i had a defective aux vent he said...
same problem? they have the car now, i got put in a <weak ass> x3 2.5 for the weekend....
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Old 09-03-2005, 02:22 PM
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Humm, Aux Vent.... I'm Located in a country in the Caribbean, and the there is fairly

competent MBW dealer here, but I do as much maintenance as I can myself. If it's just a refrigerant recharge, they can handle that. Just want to find out as much as I can to determine whether I should take it in or get the part and fix it myself.
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Old 09-03-2005, 02:38 PM
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Quote:
Originally Posted by srfishooks
competent MBW dealer here, but I do as much maintenance as I can myself. If it's just a refrigerant recharge, they can handle that. Just want to find out as much as I can to determine whether I should take it in or get the part and fix it myself.
I had that exact same problem with my '02. As SANguru said, it was a refridgerant recharge and a repair of a leaking valve. Apparently this is quite common and for some reason, it is commonly the passenger side that goes teets up first. It was handled under warranty. I be chillin' now.
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Old 09-03-2005, 02:57 PM
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Talking PersonaNonGrata - After re-focusing after looking at your previous,

I'll go the recharge route. Thanks for your helpful and visually stimulating response.
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