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#1
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Strange AC/Bower issue on 2004
Strange issue on 2004 4.4. Let me set this up: Picked up E53, Drove it 400 miles across state. All was good, except part way home AC stopped blowing out of vents. Changing mode, which vents it was blowing out, did not change anything. Happened again yesterday on 75 mile trip, up to destination all worked fine, on the way home it did the same thing. You can still hear fan blowing and air moving, but no/very little air coming from any vents. Changing mode did nothing, except when hitting defrost, for a very brief moment we could feel air coming out vents. 10 minutes after getting home, drove it to my In Laws and all worked normal. Hmmm. Anyone else have a similar issue? Any ideas? Just want to say a thanks also on this forum, Car had the Trifeca of lights and i was able to repair it (sent ABS module off) with info from here. Scott |
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#2
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It's sounds like your evaporator is freezing up. There a lot of threads on this already. Turning the A/C off will let the ice thaw out and then using a fairly high fan speed and re-circ will help to keep it from happening.
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1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me) |
#3
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+1
Frozen is the most likely reason. Sent from my SM-A730F using Tapatalk
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"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
#4
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Thanks all, that sounds like exactly what is happening.
Appreciate the help Not used to these German cars yet, way easier to work on my old muscle car. Scott |
#5
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it's a whole different ball game
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And it was no longer possible for a "shadetree" mechanic (even with '71 GM technical school training) to fix everything, without advanced learning, a bevy of testing equipment, detailed information available, and very often the aid of a widespread network of other DIY-ers (and some factory techs thrown in), to work on a vehicle. I'm finding that my old (but new to me) '01 X5 is probably going to be my hardest challenge to work on, though I've worked on dozens of OBDI & OBD2 vehicles over the years. Just trying to find an acceptably-sized switched wire underhood (wire gauge was too small on those I found, for adding an electric fan) was impossible, whereas it's never been a problem on any other cars/trucks so far. And, I'm fearful of tapping into any of the wires coming out of any module, just in case there's the possibility of backfeed into that module. BMW's sure have a lot of modules, even more than GM cars I've worked on. So, Scott, I'll second your voicing of appreciation to this forum (and others) for any and all help shared to fix, modify, or even understand our modern vehicles, X5's being the newest one to learn about, for us. Yeah, I just traded my '66 Chevelle drag racer for this X5...I could (and have done so many times) tear it apart and rebuild without problems, due to having many years of experience with it. Simple.
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01 BMW X5 E53,3.0i-5L40E, 7/13/01 topas-blau,Leder-grau,"resto-project car" Here: 14 Lexus ES350,3.5L-U660E 09 HHR Panel,2.2L-4T45E 04 Chevy 2500HD,6.0L-4L80E 98 GMC Sierra 1500,5.7L-4L60E Gone: 66 Chevelle Malibu 2dr ht.,327>441c.i.-TH350>PGlide/transbrake 08 Cobalt Coupe,2.2L-4T45E 69 & 75 C10s,350c.i.-TH350 86 S10,2.8L-700R4 73 Volvo 142,2.0L-MT4 72 & 73 VW SuperBeetles,1.6l-MT4 64 VW,1.2l-MT4 67 Dodge Monaco 500 2dr ht.,383c.i.-A727 56 Chevy 210 4dr,265c.i.-PGlide |
#6
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Yeah, there are just a few (too many) modules on these things. I never would have got it if the price wasn't too good to pass up (free from Brother in law :-) )
I am building a restomod 68 Camaro, only 1 module for the LS ignition... way simpler. Scott |
#7
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I wasn't entirely old school
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But, if anything went amiss, I usually had a back-up for everything (I carried-along enough parts & supplies to every race, that other racers from opposing clubs would get spares from me); but nobody could ever carry enough spares for a modern BMW, nor could they diagnose and fix the problem between stages, I bet. Ha,ha,ha!
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01 BMW X5 E53,3.0i-5L40E, 7/13/01 topas-blau,Leder-grau,"resto-project car" Here: 14 Lexus ES350,3.5L-U660E 09 HHR Panel,2.2L-4T45E 04 Chevy 2500HD,6.0L-4L80E 98 GMC Sierra 1500,5.7L-4L60E Gone: 66 Chevelle Malibu 2dr ht.,327>441c.i.-TH350>PGlide/transbrake 08 Cobalt Coupe,2.2L-4T45E 69 & 75 C10s,350c.i.-TH350 86 S10,2.8L-700R4 73 Volvo 142,2.0L-MT4 72 & 73 VW SuperBeetles,1.6l-MT4 64 VW,1.2l-MT4 67 Dodge Monaco 500 2dr ht.,383c.i.-A727 56 Chevy 210 4dr,265c.i.-PGlide |
#8
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LOL, the old KISS principle was a good thing. The electronics do lots a neat stuff, but....
66 Chevelle is one of my Favorites. My brother has a 64SS. Scott |
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