Question about 2002 Saturn L-Series

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We have 2002 L100. The AC stop producing cool air, had tubing changed due to what we were told was a leak. Now it won't hold coolant for more than a week then it stops producing cool air again.

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Sounds like you still have a leak in the system. R134 is hard to find a leak. The best way is to service the system and add dye operate the system then check complete system with black light wearing the special glasses that comes with the black light

Posted on Aug 23, 2010

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2002 Nissan pulsar just started leaking water when parked could this be due to using air conditioner


It is certainly normal for some water to drip from under a car that has been running AC. How much water depends on humidity and the particular car.

If you are not running low on coolant, then it is just the condensation from the AC and is fine.

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Ac Gas keeps leaking..


It seems no one has tried to find a leak, should not refill without leak checking. Where there is a refrigerant leak, some residual oil will appear, refrigerant and oil circulate and move together. The system should be cleaned so that any new oil leaking will mark the leaking area or spot when leak testing produces nothing. When no leaks are detected, a dye can be used to mark the leaking area.
Leaks are common to develop on joints where seals are present and where hose is crimped to solid tubing. I don't recommend leak sealer additive into the system.

Jul 15, 2015 | Renault Cars & Trucks

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97 Plymouth Breeze won't blow cold air due to freon leak.


Your AC system is a closed system, so the fact you have to put more Freon in, means there is definitely a leak. I would check it out with a mechanic.

Apr 26, 2015 | Plymouth Cars & Trucks

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I'm working on a 2002 Pontiac Montana 3400 motor. I changed the heater core to fix the water leak and lack of heat on the inside of the vehicle. and when I crack the vehicle to check for leaks and to check...


You need to bleed the air from the cooling system. The bleeder valve is located just behind the water pump housing. It is a small hex head (7MM) screwed into the coolant bypass tube. Pour coolant into radiator with the valve opened until coolant comes out of the valve. The cooling fans will not come on until the temperature reaches 225 degrees.

Feb 18, 2015 | 2002 Pontiac Montana

1 Answer

I just had my car serviced at a garage and now my air conditioning doesn't work. They changed the oil/filter, transmission fluid/gasket, coolant drain/new coolant, and cabin/air conditioning filter. They...


Maybe the refrigerant charge of r134a is low on pressure. Have that checked. I hope that the air conditioning tubing wasn't disturbed when all of that service was performed.

It really shouldn't have affected the a/c if they stayed away from that system.

Nov 05, 2010 | 2002 Toyota Camry

1 Answer

Hey I have what looks like to be radiator fluid coming out of my heater floor vents but i am not sure if it is that or Freon? Any idea what could be wrong?


If it is cool clear water and does not smell like coolant then it is the drain tube plugged up for the AC evaporater/core codensation, and it drains out towards the bottom of the passenger side fire-wall and the drain tube is easily visible from under the vehicle.

It is a normal condition for the AC to produce condensation if the AC is functioning properly.

If it is warm or hot coolant, and it smells like coolant, then the heater core is leaking, and the cooling system should be getting low, and the engine should be running hot.

Jun 12, 2010 | 1998 GMC Sierra

2 Answers

Leking water from back ner firewall not heter hose


The AC condensation drain tube is also located on the passenger side fire-wall towards the bottom of the fire-wall, it is there to drain the condensation from the evaporator/core plenum so that it does not flood the passenger compartment floorboard with water and it can easily be viewed from under the vehicle, and if it is cool clear water that is leaking and not hot coolant then you have no problem and that is a normal condition when the AC is operating.

If it was a coolant leak the cooling system would be low on coolant, and the engine would run hot when the coolant gets low.

Jun 11, 2010 | 1996 Cadillac DeVille

1 Answer

Coolant is leaking when air conditioner is on.


Are you sure that it is coolant? The AC system evaporator/core does condensate and it is drained off from the core plenum through a tube that runs out under the passenger side of the fire wall and it can very much resemble a coolant leak (except that it is clear water from condensation and not coolant) and that is a normal condition.

However if it is actually coolant leaking it should not be intermittent and only leak when the AC is operating, and if it does have a coolant leak it should leak any time that the cooling system is pressurized.

Have you actually confirmed that there is a coolant leak and it is not just water from condensation, let me know if the fluid is actually coolant and the only thing that it would most likely be is a faulty radiator cap that is not holding pressure, and when the AC is operating it will cause the cooling system to work harder to cool the engine, and the radiator cap might not be able to handle the extra few pounds of pressure put on it by the AC system.

Jun 10, 2010 | 1999 Chevrolet Malibu

1 Answer

1995 Honda Civic-AC only blows cool air


the reason it's getting warmer is most likely due to a slow leak. it need the proper amount to be cool. less or more and it will be warm. it's also possible when it was charged he added too much or not enough. also if air is in the system (from not vacuuming the system or in the refrigerant tank) it will not cool as well.

the car need to be recovered, vacuumed (checked for leaks), refilled after purging the refrigerant tank of air.

Jun 24, 2009 | 1995 Honda Civic

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