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Aircon Compressor problem

I have a Toyota car having problem with it's aircon. The aircon compressor does not automatically works when I open my aircon. It will take minutes of driving before it works. This causes my rpm to soar during the initial driving. What can be wrong?

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I wanna know how do you read the terminal of a 5 tr compressor the common , starting and the running i wanna know how to read it

Posted on Jun 25, 2008

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Im not that familiar with cars, but if this is a new (90 or newer) then the RPM going so high is because the fast idle switch. It does this to compensate for the extra power being used by the compressor, which isn't coming on at first. Is the electric fan coming on for the condenser coil at the same time as the compressor? You should have 2 fans, one is for the radiator water, the other is for the A/C. There are temperature controlled sensors for these fans on some models. Its possible that may have something to do with it.

Posted on Mar 05, 2008

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Posted on Jan 02, 2017

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What could be causing loud grinding noise when i switch on aircon? Aircon now not working but only makes loud sound.


Sounds like the bearing or part of the clutch in the A/C compressor has failed, or possibly component on a/c fouling on something due to recent repairs however would be unlikely and probably just a coincidence..

Check A/C compressor turns by hand, should be firm but not make any noises.

Check for fouling components related to a/c compressor clutch.

Feb 12, 2016 | Cars & Trucks

1 Answer

I have a 2004 lancer Es when I turn the aircon on after 15 minutes of driving I cant change the gears the aircon works fine but renders the gears useless and have to turn it off to continue to drive


There is no relationship between the air conditioning system and the gear box in the vehicle.

The engine operates the aircon compressor via the serpentine belt from the crankshaft pulley and if the aircon is operating normally the aircom compressor will not be faulty either.

If you are having problems with the gearbox it has nothing to do with the aircon system. The issue will be with the gearbox itself.

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1 Answer

My car a/c does not cool when switched on


Check gas in aircon system, if pressure is correct and gas line is full, replace aircon compressor.

Aug 26, 2013 | Toyota Cars & Trucks

1 Answer

1994 mitsubishi lancer aircon problem..is it possible to change the mitsubishi aircon motor to nissans aircon motor?


best talk to an a/con technican as there is a size/capacity requirement for compressors. While it may be feasable to fit another compressor it needs matching tx valve condensor and evaporator to work properly. He should be able to tell you if it will work or not

Jan 27, 2013 | Cars & Trucks

2 Answers

When switched to on, the aircon does not function.


check for power at compressor clutch if power and earth there is ok new compressor required. no power there check relay and fuses swap air cond relay with another one that looks the same in under bonnet fuse and relay box

Jun 21, 2009 | 1989 Toyota Corolla 2 Door

1 Answer

Aircon of my tazz 2000 130 does not click in to start


a/c compressor may have failed run the engine and have a look under the bonnet get some one to push the button and you listen for a click noise no click no compressor got to dealer for repairs

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1 Answer

When its hot the aircon is not getting cold


If not low on refrigerant, Things that could be wrong are expansion valve inopt, condensor fan not working or possible bad compressor. 

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