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  #1  
Old 11-09-2009, 08:25 AM
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Air Con Help

Hey Guys,

Hoping you can help me.

I have read a heap of posts on here about the FSR and various air con issues.

About 2 weeks ago my aircon decided to stop cooling.

The fan speed is constant
The air is warm / just a little warmer than outside ambient
Yesterday when the engine was hot the Aux fan fired up so thats working
There is no smell
Checked the fuses and they are all fine

Do you have any suggestions, has anyone else experienced this?

Thanks

2004 X5 4.4L
Australia
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  #2  
Old 11-09-2009, 08:51 AM
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Sounds like either all your refridgerant leaked out or something is keeping the compressor from activating. You probably need to bring it in to a shop to have the pressures read and have themm search out the leaks if there is one.
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  #3  
Old 11-13-2009, 06:22 AM
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Great, thanks.

Does anyone have or know where i can find the wiring diagram?

I have checked the fuses and know they are ok but i have read there are somewhere there are some relays i should check.

Or can you just tell me where they are?

Cheers
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  #4  
Old 11-13-2009, 09:12 AM
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Here's a link to the wiring diagrams, same style setup the dealers use.

WDS BMW Wiring Diagram System - X5 E53
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"When you do things right, people won't be sure you've done anything at all" (Bender, futurama)

You make something idiotproof, they'll make a better idiot


You think professional is expensive, just wait until you pay for amateur.

Never let your sense of morals prevent you from doing what is right.

Examine what is said, not who speaks.

X5 pics

RIP 4.6is.....

2003 4.6is
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  #5  
Old 11-13-2009, 09:30 AM
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refridgerant leaked out, and the leak is most likely the evaporator inside the vehicle , not an easy task to change that .
i had the same problem , you can add gas to it and it will work for a day or two.

cj
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  #6  
Old 11-13-2009, 09:32 AM
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be careful of running the AC without refrigerant - it also acts as a type of lubricant for the compressor.
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  #7  
Old 11-13-2009, 01:50 PM
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I had this problem a few years ago. Turned out to be leaky seals at the high and low ports. Common enough problem that was fixed with a set of new seals and a complete purge/recharge at an indy AC repair shop.
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  #8  
Old 11-17-2009, 12:00 AM
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Thanks guys, for the replies....

How do i check to see if my compressor is getting power to engage the clutch?

Where is the best place? Is it actually on the compressor its self and whats the easiest way of getting to it?

Cheers
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  #9  
Old 11-17-2009, 08:26 AM
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Mason dont worry about that now just check the pressure first .

when the pressure is low the compressor will not switch on .

cj
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  #10  
Old 11-26-2009, 10:06 PM
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Guys,

Ok fears confirmed I had the preassure checked and they are all fine, i need a new clutch on the compressor.

I have read a few posts and know that there is a good repair for 3.0L from Kitit. Has anyone done a repair on a 4.4L.

Have also searched to an inch of my life and cant find Kitit's original post with images etc does anyone have a link?

Cheers,
Mason
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