Question about 1992 Toyota Previa

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Aircondition not cold but rear aircondition seems cool only.

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Check for the refrigerant charge. You may have a leaking system.

Posted on Oct 29, 2012

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Problems with the aircondition & locks


As for the aircondition problem, you can use the Multi-Diag Access J2534, it has the function for air condition, such as Diagnosis of cooling electronic,Reading settings cooling circuit,Test servo actuators. But as for the lock, would you tell what locked?

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My airconditioning was on and then started making a loud noise


FROM YOUR DESCRIPTION IT SOUNDS LIKE THE A/C CLUTCH ON YOUR COMPRESSOR IS GOING BAD. U EITHER HAVE TO GET CLUTCH REPLACED BY EXPERIENCED COMPRESSOR REBUILDER OR REPLACE COMPRESSOR AS A WHOLE

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Your Orifice tube is probley clogged and needs replaced i wouldnt recomend this be done by someone not trianed to do tho also with new laws regarding freon unless you have acess to a reclaimer it is illegal to do becuase entire sytem has to be drained to get to tube

Jan 12, 2010 | 1992 Chevrolet Cavalier

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2003 Toyota corolla airconditioning not coming on. It was running fine and then all of the sudden the air was blowing hot air out and not cold air. Checked our air filter it was not clogged as this has...


If it blows, but not cold, Either you have a leak in the system, the condenser fan isn't running (although it would cool on the highway forcing air through the condenser.. It needs a partial charge with UV dye so any leaks can be traced...

Sep 12, 2009 | 2003 Toyota Corolla

1 Answer

Mercedes benz airconditioning


You might check the cooling fans on the condenser to see if they are running when the ac is on.If they are not check for blown fuse,or bad cooling fan relay.Do you notice if the ac cools better when running constantly,and the ac is not so cool when in traffic,stopping and going,and running slow?If so the cooling fan,or fans are not working.If the fan fuse and the relays check out fine,then replace the fan,or fans.If I can help any more please ask.roniecon@gmail.com

Aug 19, 2009 | 2004 Mercedes-Benz C-Class

1 Answer

Front air blows hot air while back air is cold. Can turn it off and on and it will work for a while.


I have the same problem, when running the air conditioning the front vents will blow hot air. I have not removed the dashboard yet, but I think that the air damper is stuck in the open position. It seemed like a heater core valve problem, but I am pretty sure it is a damper under the dashboard. Now however, I am finally getting some cool air out of the airconditioning vents, but when winter comes, I am afraid I will struggle getting heat again.

Aug 10, 2009 | 1999 Ford Expedition

1 Answer

2000 escalade rear air works fine. front does not blow cold.


the rear airconditioning uses a thermal expansion valve to control the amount of refrigerant evaporating into the rear evaporator, the front does not it uses a fixed orifice which cannot compensate for anything. what usually happens is that the refrigerant level is low and the rear expansion valve "steals" all of the available refrigerant.
I would recommend having the system evacuated and recharged by weight first(definetly the cheapest way to go). twice i had to replace the txv for the rear a/c because it was stuck open(in the last 10 years! ... not very common). also ther could be a door in the hvac system that is not covering the heater core. american automobile manufacturers usually heat up the heater core at all times and block the airflow when they don't need it, but air always flows through the a/c evaporator assembly(if the a/c is'nt on it's not cold). and last the cooling fan for the a/c system,and the cooling system on the car, is coupled to the engine by a viscous coupling that could have worn out(very unlikely). if that were the case you should have adequite cooling at speed, but warn up at a stop(also symptom of low charge) i hope that this information helps usual leak sources on gm are the compressors.
good luck

Jun 12, 2009 | 2000 Cadillac Escalade

1 Answer

Town & Country 2007 LX model aircondition not working


It does have air conditioning installed. It may also have rear a/c. The rear a/c evaporator is probably leaking freon. I have replaced many rear evaporators on 2006 and 2007 Chrysler minivans as a result of a design change in 2006. Recharge the a/c and add dye to the system. If it has rear air, look behind the right rear wheel in the fender area under the car where the a/c lines go into the body.

Apr 21, 2009 | 2007 Chrysler Town & Country LX New Cars

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