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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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#668 of 791
Re: 2000 Buick Lasabre---Blower Question [jaj2] by imidazol97
Sep 09, 2007 (5:53 am)
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Replying to: jaj2 (Sep 08, 2007 5:07 pm)

Your car is the same as the 2003 and I assume it's the same as the Bonneville. AllData has a free sample of their online producct and the same is a 2003 Bonnie. Here ya go:
 
Blower motor
 
Note the blower motor requires removing the sound proofing panel above the passenger's legs inside the car. Previous LeSabres were accessed from under the hood in the firewall>
#669 of 791
Re: 2000 Buick Lasabre---Blower Question [imidazol97] by jaj2
Sep 09, 2007 (1:55 pm)
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Replying to: imidazol97 (Sep 09, 2007 5:53 am)

Thanks. Now that I know where to start, I think I can take care of from here. I have a 1995 Buick LeSabre, that blower motor is so simple to replace.
#670 of 791
Re: 2004 Chevy Silverado A/C [llcooljj26] by richc2
Sep 10, 2007 (6:17 pm)
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Replying to: llcooljj26 (Aug 11, 2007 8:10 pm)

I had the exact same problem start on the 8th of September on a 2004 Chevy Tahoe. I searched this site and someone replied that they had a vent valve replaced. They also said they added freon. I am not an expert, but I don't think that would fix it. We took it to a local shop and they had never seen the problem and said we would need to go to the Dealer. Have you been able to get yours fixed?
#671 of 791
Re: 2004 Chevy Silverado A/C [richc2] by mcoder
Sep 11, 2007 (5:56 pm)
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Replying to: richc2 (Sep 10, 2007 6:17 pm)

Not Yet
#672 of 791
more on the radatior by mist
Sep 15, 2007 (8:19 am)
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I have been posting stuff up here and i know mr. shiftright can help. I have been doing some more digging and researching on why my car is over heating. i think i have tracked it down. while i was doing a oil change this morning i started my car to let the excess oil burn off. while i was waiting the fan kicked on as it always does. what i didn't know is that i had a second fan. The room in the compartment is really tight and i have never noticed the second fan before. Could this be the problem of running hot? It never gets to the over heat mark just runs hot.
#673 of 791
Re: more on the radatior [mist] by kiawah
Sep 15, 2007 (9:13 am)
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Replying to: mist (Sep 15, 2007 8:19 am)

Yes, that could be the problem. Problem is that unless you have the schematics, you don't know exactly when that fan is supposed to run. Some vehicles turn them on automatically as soon as the air conditioner is turned on. Other times they run at slow and full speed, depending on coolant temperature, etc.
 
Most of the times those fans have a relay associated with them, because of the current they use.
 
At this point you only know that the fan isn't on, but you don't know whether the problem is:
- fan connector has power, motor is bad
- fan connector doesn't have power, but relay is energized (and points are bad) not giving power to the fan. You may have two identical relays which you can swap to see if the symptoms change.
- relay isn't energized, whatever is supposed to turn it on isn't doing it (temperature sensor, a/c, engine computer, etc).
#674 of 791
Re: 2000 Saturn L100 A\C question [mcoder] by 0patience
Sep 15, 2007 (9:55 am)
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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)
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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.

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