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Climate Control Problems (Air Conditioning, Heat) - All Cars

791 messages,  Last post on Aug 12, 2009 at 12:55 PM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Heating / Cooling


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#674 of 791
Re: 2000 Saturn L100 A\C question [mcoder] by 0patience
Sep 15, 2007 (9:55 am)
Reply

Replying to: mcoder (Sep 06, 2007 3:47 pm)

I deal with an AC company in Arizona, they are on my profile. ACKits.com
They've always had the AC parts in stock that I needed.
It's the ONLY A/C place I deal with, so it makes me biased in my opinion.
#675 of 791
Re: 2002 Dodge Ram 1500 AC Question [bobbyg6] by bigdre123
Sep 25, 2007 (2:04 pm)
Reply

Replying to: bobbyg6 (Aug 17, 2007 3:17 pm)

i had the same problem. open your hood and go to the fuse box. Pull out fuse number 39 it is probably blown. this is the condenser fan fuse. when you stop the fan is not running, so no air is cooling the condenser. as you drive the air goes over the condenser, thus giving you cold air. If the fuse isn't bad then check the motor and make sure that the fan comes on while you are sitting still. The fan is small one close to the battery. hope it helps.
#676 of 791
Climate control seems to only come on when it wants to. by wolfnut
Sep 26, 2007 (5:23 am)
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I have a 95 ford ranger and some days when I start the truck the fan will blow air from the vents and other days it won't. Sometimes it will start on it's own while the truck is runnign or I am driving down the road. Once it starts it stays on till I shut off the truck, but then there is the chance that it will not kick on when I start the truck again. I have checked the fuse and it appears fine. Any thoughts as to what I am dealing with?? I explained it to the garage I normally go to and they said it would be at least $200. give or take. Hoping to not have to spend quite that much. What should I check first??
Thanks in advance for any help I recieve.
#677 of 791
Re: Climate control seems to only come on when it wants to. [wolfnut] by 0patience
Sep 26, 2007 (4:46 pm)
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Replying to: wolfnut (Sep 26, 2007 5:23 am)

I think the resistor is the wrong track for your problem.
 
Test the Function Control first.
 
  • Turn the ignition switch to run.
  • Place the function control lever to OFF
  • Does the motor still run?
  • If it does, then pull the A/C control from the instrument panel far enough to get to the electrical connectors.
  • Turn the ignition switch to ON
  • Turn the function control lever to OFF
  • Check voltage with a Digital Volt/Ohm meter (DVOM) at pin #3, circuit 348. The wire is Light Green with a purple stripe.
  • If voltage is present, then the function selector switch is bad.
  • If voltage isn't present, then there is a wire shorting in the harness.
  • #678 of 791
    Ford a/c diode by 3003
    Sep 30, 2007 (12:34 pm)
    Reply
    I am installing a aftermarket a/c system in a streetrod and using a ford compressor. Ford wiring diagrams show a diode between the ground and hot side of the compressor connections. What is it's purpose and if I do not use it will it harm the clutch field??? Thanks.
    #679 of 791
    Re: Ford a/c diode [3003] by kiawah
    Sep 30, 2007 (12:42 pm)
    Reply

    Replying to: 3003 (Sep 30, 2007 12:34 pm)

    Don't have the schematic and don't know specifically for what you are referencing, but diodes can be used in electro-mechanical circuits to dissipate (bad) voltage spikes when coils are energized. You'll see them on relay coils, for instance.
    #680 of 791
    Re: Ford a/c diode [3003] by 0patience
    Sep 30, 2007 (12:59 pm)
    Reply

    Replying to: 3003 (Sep 30, 2007 12:34 pm)

    The diode is to stop alternating feedback through the clutch hub and spikes like kia said.
    If you do not use it, then you take a chance on burning up the hub.
     
    There is a reason it is there, make sure it is installed.
    Half the retro installations I have seen without the diode end up burning up the clutch.
    I have replaced quite a few of the hubs because of something like this.
    #681 of 791
    Fixing my Honda Element's A/C - $3500! by rlmnt
    Sep 30, 2007 (6:11 pm)
    Reply
    After my out-of-warranty '04 Element's A/C stopped working last week, the local Honda Dealer's service manager informed me that the A/C system was "full of metal" - indicating a complete internal breakdown. He could flush the system and replace the compressor but wouldn't recommend it because the metal pieces couldn't be totally eliminated and the system would fail within a year - probably sooner. So, his solution? Replace it all. $3,500. He claims that only by replacing the entire system (all parts/belts/hoses/everything) could A/C capability be restored. This strikes me as 1) extreme and 2) expensive. Does anybody have any suggestions for me? Thanks!
    #682 of 791
    Re: Fixing my Honda Element's A/C - $3500! [rlmnt] by 0patience
    Sep 30, 2007 (7:57 pm)
    Reply

    Replying to: rlmnt (Sep 30, 2007 6:11 pm)

    Get a second opinion.
    Check around your area for a local honda specialist shop or an A/C Specialist shop and see if they can give you an estimate on the problem.
     
    I would prefer an A/C specialist shop, as that is all they do and are more versed in those systems.
    I deal with an A/C place that is in my profile, their site may be of some use.
    #683 of 791
    Re: Fixing my Honda Element's A/C - $3500! [rlmnt] by Mr_Shiftright HOST
    Oct 01, 2007 (7:47 am)
    Reply

    Replying to: rlmnt (Sep 30, 2007 6:11 pm)

    OPatience is right, you need to go to an AC specialist. In general terms, the service manager is correct---severe contamination would probably result in failure of the compressor once again as it sucks up some old metal particles that might escape the little filters in there or that didn't get flushed. But then, it might not. I think you need to figure out how much the flush and new compressor will cost (and you probably need a new dryer), and the flush, as opposed to a complete overhaul.
     
    Really the only way debris can be in the system is if your compressor seized or is very very noisy and on the point of seizure. Did this happen? It should have been quite noisy and given you plenty of warning, but not always...

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