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Why does the ac compressor turn off after about 5 seconds?

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2014-11-20 00:54:50
2014-11-20 00:54:50

There are several things that can cause your air conditioning compressor to turn off after five seconds. The most common cause is a lack of Freon pressure. Check your air conditioning hoses for a leak.

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Turn the compressor off.

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If it has AC assist and the compressor is shot, cut the belt or disconnect the defrost from the compressor.

Something is wrong with it. Turn it off until you can have it looked at. Continued short cycling will kill the compressor.

IT IS NORMAL FOR IT TO CYCLE LIKE EVERY 20 OR 30 SECONDS IT AUTOMATICALY COMES ON WHEN THE AC COMPRESSOR IS ENGAGED

If you want it constantly running jumper the high pressure cut off switch wire. And if you dont want it running turn off the ac. If pully is seized see if a napa can get a shorter belt to route around the ac compressor

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Any of the following can cause it to shut off......... 1. Turn off the switch.. 2. Turn off the ignition key.. 3. Change the control to heat only..

most likely, the ac compressor is not functioning properly. when compressor's speed sensor is not the same with engine speed the ecu will shut off power to compressor. time for new compressor.

The ac compressorThe ac compressor

For residential equipment it is 24 volts

why wont the ac compressor shut off stays on on all settings

It could be the AC compressor. With the engine and key off, try turning the compressor by hand. The belt should be connected to a pulley that drives the clutch. With the engine off the cluth is disengaged so you should be able to turn the inner part of the compressor pulley even though the outer part is connected to the belt. If it won't turn at all, it's probably siezed and you need a new compressor.

Check the Freon pressure first. The AC compressor will not turn on if the Freon pressure is too low.

Most automotive ac systems will turn on the ac anytime the HVAC (heating, ventilation and air conditioning) controls are set on defrost even when the temp control is set on heat. By doing so the moisture in the air is removed and it will clear a foggy inside windshield quickly. As to the ac compressor turning on and off continuously, this could be a sign of being low on freon.

You may need to replace the heater\ac control switch, it may be stuck in the off position which would prevent the blower and the ac compressor from turning on.

It turn off the compressor to keep the evaporator from freezing up which can cause system damage.

Turn it off until you can have it looked at, the contactor is probably welded shut and you can kill the compressor running it this way.

You probably need a new air filter for your a/c The clicking is probably caused by the clutch on the compressor. If the Ac isn't charged enough it could cause this to kick the compressor off and on. You compressor could also be bad. You werent real clear what the problem was. Hope this helps.

The ac system may be low on Freon. Check the pressure with a gauge. If the pressure is ok then check the ac relay, as they can be intermittent.

Usually on or near the receiver/dryer. If the refrigerant level is too low, the switch will turn off and not allow the compressor to run.


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