Question about 2007 Volkswagen Jetta 2.5 Sedan

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Ac not working

The ac is not working. the fan is on, but it isn't cool air coming out.

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  • Thomas F. Schneider May 11, 2010

    Most likely a refrigant leak. Charge and look for leaks with a soap solution. Is the A/C compressor running and going around. 

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Yo may need to have it re-earthed, same happened on my car!!....cost me £60 at garage...good luck, hope this helps.

Posted on May 15, 2009

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Posted on Jan 02, 2017

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1 Answer

Cooling fan relay location for a 1992 corvet


the air con fan comes on with the air con switch. the engine cooling fan comes on when the engine temp. censer reaches operation temp. most times the air through the radiator when driving is enough to keep the censer cool and the fan not working if you stop at lights for any length of time it will come on.

Aug 15, 2014 | Cars & Trucks

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Why car isn't blowing cool air except while driving fast?


Are you saying the air coming out of the vents is not cold unless you are moving ? Or there is no air unless you are moving ?
And are you sure the radiator fan is running with the ac on ? Can you feel air being pulled thru the condenser ? What are the gauge readings with the ac on and the engine at idle ?

May 18, 2013 | 2003 Mitsubishi Eclipse Coupe

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Overheating problem, what is the most probable cause?


You need to stop using it immediately before you
cause some damage or more than you may already have
That is just common sense. It should not overheat or
be any different than it was in the past without problem

The car has to be checked over/diagnosed,tested,etc for
various issues to resolve

Borrow or Rent a car until resolved

No way to guess at the problem

You should have some type of codes avail even
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The timing belt maybe worn & jumped or the head gasket
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Over heating isn't usually a cheap repair unless the thermostat
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The RPM moves around the car is 11 years old,so it may just
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Timing Belt,O2 Sensors,Exhaust Converter,Spark Plugs
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If you depend on a repair shop to do things & don't
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Sep 06, 2012 | 2002 Chevrolet Prizm

1 Answer

Car blows warm air when idling


It sounds like your AC unit could be overheating or even damaged.

AC units have a sensor that will turn them off automatically to prevent damage from overheating. If there is an insufficient amount of air flow, the unit will heat up, and then eventually turn off.

When the car is moving, more air is forced over the unit, likely keeping it cool enough to run, however, when the car come to a stop, it loses that air flow, and quickly heats up. Thus, the AC would work while the vehicle is in motion, and overheat and stop when the car is stopped and idling.

However, the AC unit could be completely blown. The cold air while moving could be just a case of air being forced into the car. Think of a house fan, the fast the wind blows on you, the cooler it gets.... Thus, it could be an illusion that the AC is working when car is in motion, when it really isn't.

Hope this helps.

Jun 09, 2012 | 2004 Lincoln LS

1 Answer

Temperature gage goes up and down


The breather hose should run to the air cleaner housing or intake tube.
Check your radiator cooling fan. If it isn't working the car will run hot at slow speeds or idle then cool down after you get going faster. A quick check would be to turn the AC on and see if the fan comes on. If not try lightly tapping on the cooling fan motor with a wooden broom handle. If it comes on then you have a bad motor.
If the fan comes on with the AC then check to see if the fan comes on after the engine gets hot. If the engine temp doesn't kick it on then the temperature sensor might be bad.
If the fan is ok please post more info on your problem

May 27, 2012 | 2002 Ford ZX2

1 Answer

Cooling fan does not come on hard wired to battery works ac fan works as it should so the relay is a ok


Hello, if it is true on what you have said, then replace the cooling radiator fan motor. Buy higher air flow capacity fan. This whill help out when it comes to cooling the engine while the AC is running.
I wish you luck, GB...stewbison

Sep 22, 2011 | Honda Accord Cars & Trucks

1 Answer

Toyota Corolla 1995. Quality of air conditioner reduced when stopped (traffic light) or moving at slow speed (condenced city traffic) No problem on the highway. Checked freon gas and fan. Understand that...


Normal, the ac heat exchanger condenser need air moving across the fins to remove the heat. While moving in town the condenser isn't remove the meat that is building up the it's aluminum fins. Even though the vehicle uses an electric fan. The fan is used to cool the engine temperature. If you Toyota is equip-ed with automatic transmission. The electric fan will need to pull enough air to cool the engine temperature, automatic transmission fluid, air conditioner condenser, and maybe power steering condenser to cool the power steering fluid. Later model of vehicles/trucks are using different refrigerants instead R134A in which you Toyota uses.

The simples way to explain is the ac remove heat from inside your Toyota and this heat is removed by the refrigerants inside your ac in the car. To cool the refrigerant this coolant is removed to the heat exchanger condenser located in front of the engine radiator. So, while moving at 60mph there is enough air flow through the radiator, ac head condenser, and other aluminum heat exchangers. GB...stewbison

Sep 12, 2011 | 1995 Toyota Corolla

1 Answer

Air conditioner blowing hot air and car overheating when idle


Air conditioning is one area where the owner generally is not qualified or equipped to perform the necessary repairs. If you are overheating and the ac isn't cooling I would check the condenser (radiator in front of the engine radiator) and made sure it's not obstructed. Also make sure that the electric fan comes on when you engage the A/C. Beyond that there isn't much you really can do except have an professional run a diagnostics on the system.

Aug 12, 2011 | 1997 Lexus ES 300

1 Answer

I have a 98 Honda crv. About a month and a half ago I had the ac compressor replaced and all charged up. This is the first summer I have had this car so don't know how well the air works in them. It...


There are a few things to check before I recommend a 2nd opinion. If you have a cabin air filter, check that it is not clogged up with debris or very dirty. Also check that the electric fan comes on as soon as the ac is commanded on. It has 2 speeds (high and low) and it will automatically go to high speed when the AC compressor cuts on to cool off the condenser. Also check that there isn't anything blocking airflow from the front of your vehicle to your radiator/condenser area. Last thing to check would be taking it to a shop that knows what they are doing (it'll probably cost $60+) and make sure your system is fully charged and have them add dye if it isn't so they can locate the leak.

Jun 23, 2011 | 1998 Honda CR-V

1 Answer

1996 corrvette cooling fans do not come on unless u put on ac. Scanner reads same temp as analog gauge.digital reads[ 0 ] Car will overheat other wise. thank you


sounds like the cooling fan isn`t coming on when its suppose to.if you have 2 fans on the car then the one that comes with the a/c only works with the a/c.the other one works with the engine temperature sensor that sends a signal to the computer that turns on the cooling fan.cooling fans are a common problem with gm`s.with jumper wires you can feed the fan directly from the battery if it won`t work then the fan needs replacing.it could also be the fan relay in the relay box.have you checked the fuses.with it having been on a scanner it should have shown a code for the circuit,as such if there was a problem with the relay,fuse or computer it should have shown it.so i would say its probably the cooling fan motor.

May 09, 2011 | 1996 Chevrolet Corvette

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