condensor cooling fan not working - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
LinkBack Thread Tools Display Modes
#1 (permalink) Old 04-11-2006, 10:06 PM
n00b
 
Join Date: Apr 2006
Posts: 4
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
2000-323i is on a distinguished road
(Thread Starter)
condensor cooling fan not working

I just had my 2000 323i ac system evacuated and charged, thinking I was going to be riding in an ice box this evening, I was wrong. The mechanic told me that the condensor cooling fan was not working and he did not have the electronics to figure out why. Needless to say this was not the BMW dealership. Usually I try to fix things like this myself but now I;m stuck. Can anyone tell me how to fix this? Thanks in advance ( New Member )
2000-323i is offline  
Sponsored Links
Advertisement
 
#2 (permalink) Old 04-13-2006, 06:44 PM
Neutral Member
 
441tech's Avatar
 
Join Date: Nov 2005
Location: Toledo, OH
Posts: 91
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
441tech is on a distinguished road
I would check for power and proper ground to the fan once the system is operating. Also, make sure the compressor is kicking in when you activate the A/C. The simplist thing to do first is check the fuses. The owner's manual will tell you exactly where it is. (in glovebox, undo two camloc fasteners, and pull panel down) If the fuses are good, I would suspect either a compressor fault, or a cooling fan fault. Checking for power and ground at the cooling fan will tell you if it is a fan motor or not (with the system operating)

If the compressor doesn't kick in, then I would suspect a pressure switch. This can also cause your fan issues, but if a pressure switch is not satisfied with the pressure in the system during operation, it will shut everything down.

I'm ASE Certified in Air Conditioning, and my primary experience is with domestic vehicles, but it all works off the same principle. I also have the 1500-page factory 3-series Bently service manual for '99-'05. I am responding to your cooling fan ailment after looking at the wiring diagram.

Let's just hope it's not the IHKA Control Module. Those can't be cheap, and they run the entire HVAC system.

Let me know what you find.

441 tech

Officer: "I see you set the table for four."

Groucho Marx: "That's nothing--I set my alarm clock for eight."
441tech is offline  
#3 (permalink) Old 04-13-2006, 10:16 PM
n00b
 
Join Date: Apr 2006
Posts: 4
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
2000-323i is on a distinguished road
(Thread Starter)
Thanks 441 tech for the info.

I had already checked all the fuses and they were all fine. I believe a sensor or relay has gone bad somewhere and therefore the cooling fans shut off because of that. And with the cooling fans not running I think the ac system purged out all the freon out of a pop off valve to keep from messing up the compressor. Does this sound like it makes any sence. The mechanic had unplugged the compressor because of the chance of the samething might happen again, the pop-off valve popping and the freon coming out because the cooling fans are not running.

If a relay has gone bad, would there still be power at the fan, or would the relay have cut it out.

I am looking into buying a Bentley manual to see if this might help me out somehow.

Thanks for your time,
2000-323i is offline  
#4 (permalink) Old 04-14-2006, 12:34 PM
Neutral Member
 
441tech's Avatar
 
Join Date: Nov 2005
Location: Toledo, OH
Posts: 91
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
441tech is on a distinguished road
I HIGHLY recommend this site and manuals. This is where I bought my factory service manual from. They also have electrical troubleshooting manuals w/detailed wiring diagrams. They aren't the cheapest, but they're sure worth it in savings from maintenance costs.

http://www.autorepairmanuals.biz/sit...83/page/367467

Officer: "I see you set the table for four."

Groucho Marx: "That's nothing--I set my alarm clock for eight."
441tech is offline  
Sponsored Links
Advertisement
 
Reply

  BMW Forum - BimmerWerkz.com > BMW Model Specific Forums > 3-Series (E46, E90)


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
Fan Not turning on when car heats up Redbullrr 3-Series (E36) 26 06-19-2006 01:28 PM
puller fan not working and Heat.... 98e36bostonchic 3-Series (E36) 20 01-18-2006 02:25 PM
New here. Question about what fan noise could be.. torre 325i 3-Series (E36) 3 10-09-2005 04:28 PM
waterpump and fan? eclipsevrl 3-Series (E36) 3 09-30-2005 03:18 PM
How do you get the $#?!@ blower fan out of an E36? strubmw 3-Series (E36) 3 09-19-2005 07:13 PM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome