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Maintenance & Repair 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
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Replying to: astroman3 (Jan 15, 2009 9:55 am) And check the connectors on the wires to motor. Heating will often burn the plastic connectors or the metal contacts causing them to make and break connection because of poor contact. |
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Replying to: astroman3 (Jan 15, 2009 10:35 am)
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Replying to: kiawah (Jan 15, 2009 10:53 am)
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Replying to: astroman3 (Jan 15, 2009 11:16 am) If it's the typical GM setup the power through resistors may kill one speed or more of the lower speeds depending on where in the series the break occurs. However the high speed is usually controlled by a relay and doesn't go through the resistors because of the high amperage draw involved. So if the problem is resistor pack, switching to high usually will work fine. You hadn't mentioned that so I suspected the blower motor. Ideal is if it won't work and you know where the motor is and you can tap it gently with a hammer or a screwdriver handle and it starts moving with the vibration making contact. Good luck. You might post in a group related to Astro vans to have someone tell you where the blower is located.
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Replying to: imidazol97 (Jan 15, 2009 12:28 pm) |
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I have a 97 Accord with about 280K. Often the AC compressor will shutdown (most likely from overheating), mostly when I am driving low speeds or idling. On the freeway I NEVER have this problem. Engine coolant temperature and coolant levels are fine. I discovered that EVERYTIME I have this problem, the accessory (2nd) radiator fan isnt spinning. I believe its this fan that helps cool the AC evaporator. If I move the blades with a pencil, they do start spinning. Which means the fan is getting electrical power. The bearings are probably starting to go. No doubt I need to replace this electric fan. I need to postpone this repair if possible. I tried spraying a bit of WD40 in the motor armature. It didn't help. Is there anything else I can spray in there that could help extend the life of the fan? Thanks
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Replying to: techman41973 (Apr 19, 2009 4:01 pm) If you can't afford a new replacement motor, you may want to check a junk yard to see it they'd sell you a fan motor. Or don't use the A/C during low speed. |
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Hi,I have a renault clio 1.5dci with climate control and air con . The problem i am having is the heater when set to max is not getting hot , it stayed like this for about 6 hours , then all of a sudden it decided to blow hot , i turned down to min then to max then it stayed cold all the time again , today it went to hot again untill i turned it down to min then it would not go to hot again. Could anyone please help.Thanks
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Replying to: den9112 (Apr 28, 2009 10:09 am) If all of that is fine, then I'd verify that the engine was indeed getting up to correct operating temperature (this will indicate whether thermostat is working). Your engine needs to get hot, to be able to give the heat to the heater. Assuming that is fine, then move your diagnostics inside to the heater controls.
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