Question about 2003 Nissan Maxima

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Air conditioning condenser works but the air wont blow what should I do

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Does the blower work in heating if not you have a bad fan

Posted on Oct 21, 2013

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2003 ford zx2 air conditioning not blowing cold air


Check and see if there is any Ice on the copper line that runs from condenser (outside unit) to air handler (inside) if so you need a charge. You can also make sure the fan is working on the condenser unit outside it should spin when you have the air on. If it is not you have a bad fan motor. there are other things it could be but these you can see.

May 25, 2015 | 2003 Ford ZX2

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Air conditioning start blowing out warm air and the engine light comes on. I have put coolant in it and a new sensor but it's still doing it. What else could it be?


check your condenser fan and make sure it is working and make sure there is no restrictions in front of the condenser or radiator.

Jul 18, 2012 | 2007 Chevrolet Cobalt Coupe

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2008 SX4 air conditioner stopped blowing cold air


The AC condenser fan motor may fail. If this occurs the air conditioning will not stop blowing cold air.

Jun 18, 2011 | 2008 Suzuki SX4

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Air conditioning not too cold ??


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Let me explain in layman's terms how the air conditioning (AC) system works and what could be happening to your car.

Like your body, the air conditioning compressor is the heart of the AC system, and Freon is the blood. The compressor pumps Freon throughout the AC system, either the older type R12 which costs as much as gold it seems these days, or the new environmentally-friendly R134A Freon. This Freon is a gas and liquid combination that is compressed and circulated throughout the air conditioning system. The compressed Freon is pushed through the system under pressure and is passed through different sized metal and rubber hoses and a special valve called an expansion valve that cause the gas to expand and contract.

This expansion and contraction makes the Freon gas very cold. This cold gas makes its way via metal lines into the dash area of your vehicle to the evaporator core. This evaporator core is like a small radiator, except it has cold Freon circulating inside and not hot antifreeze. A small fan (the AC blower fan which you control from the control panel on the dash) sits in front of the evaporator core and blows air across this cold evaporator and then through the vents inside your vehicle.

The other objective of the air conditioning system is to remove the heat from inside the cab of the vehicle. This heat is removed by the Freon with the help of the AC condenser located at the front of the car (usually in front of the radiator). The Freon coming back from the evaporator carries the heat from the cab to the condenser via rubber and metal hoses. Just like your radiator, the condenser is lightweight aluminum with many internal winding coils.
The Freon travels through these coils, and in between these coils are small slits or fins that the Freon is forced through. The condenser will have an electric cooling fan mounted in front or behind it to push or pull air through these fins to remove the heat from the Freon. Some vehicles still use the old fashioned fan blade driven by the engine to pull air across the radiator and the condenser.
Now I know that is just a tidbit of information on how the air conditioning system works, and it is very general, but I wanted you to know what to look for to give you insight as to what might be happening with your vehicle.
A few causes of low cooling efficiency or no cooling at all at idle are:

Lack of air flow across the condenser. Make sure the electric cooling fan motor near the condenser is coming on, or in models that are equipped with a fan blade make sure this fan is turning and is turning very fast.

Low Freon levels. Freon level and pressure should be checked by your certified air conditioning mechanic.

Overheating. If the engine is running hot or overheating, it can have a noticeable negative affect on the air conditioning system. Some cars have two electric cooling fans, one for the air conditioning condenser and the other for the radiator. Make sure they are both working properly. Usually at idle on a hot day with the AC on both fans will be on.

When the vehicle is traveling at freeway speeds, the compressor is pumping the Freon throughout the system much faster and harder than at idle. There is a dramatic increase in air flow across the condenser due to 55 mph winds, and the engine is usually operating at a cooler, more efficient temperature as well, thus allowing the air conditioning system to operate efficiently.
Note: An air conditioning system that is somewhat low on Freon can still feel comfortable at freeway speeds due to the added air flow across the condenser which can overcome the ill effects of slightly low Freon. Periodic air conditioning performance checks by your mechanic are the best way to keep the system in great shape.

Hope this helps.

Goodluck

Oct 08, 2010 | 1998 Cadillac DeVille

1 Answer

A/c not blowing cold a/c light comes on but no cold air


Hi,

When your car air conditioning is blowing hot air, this means that refrigerant cannot absorb the heat coming from your car passenger compartment.

This kind of problem often cause by a refrigerant leak or a clogged condenser.

If you have a steady reduction of cold air from your car air conditioning system, the possibility is that the refrigerant is slowly leaking out of the hose or seal.

Another reason for the gradual reduction of cold air produce by your car air conditioning system is the clogged condenser but this is only a contributing factor.

To solve the problem you are experiencing, you must first check the condenser for dirt, debris or bug that is building up outside the car condenser, this is the part that is like a mini-radiator mounted in front of your car radiator;

Try to clean this with a soft brush also, spraying with pressurized water will do. This will improve your car air conditioning problem.

However,if the problem persists,it means you have to refill your airconditioner compressor with a refrigerant(freon gas).

Good luck!!!

Aug 13, 2010 | 2006 Dodge Ram 2500

1 Answer

My 2002 Avalanche's air conditioning quits blowing cold air when in stop and go or stopped traffic. The air still blows out, but it is very hot air. Sometimes if I turn it off and then turn it on once my...


You may want to have your fan clutch checked. If the fan on your water pump does not spin very hard when the vehicle is idleing than it doesn't draw air through the condenser and that air keeps the condenser cooler plus it keeps the pressure down on the high side of the ac system. leave comment.

Jun 28, 2010 | 2002 Chevrolet Avalanche

2 Answers

My heat and air conditioning wont blow out through the vents


Check the air handler to see if the blower is on. First check the circuit breaker which gives power to the blower.

If the condenser outside is not on, there is no power anywhere. Again, check the circuit breaker.

Also possible faulty thermostat.

Mar 05, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

Air conditioning


Yes! You are absolutely right, sometimes when you drive on rough roads, the lines from the condenser(cold air module) may get loose and you lose your cold air. The fact that it's blowing in one part of the vehicle and not the other is a testament to that. The best advice is to get the air conditioning checked out. they do this really neat thing where they pressurize the line to find out where the leak is coming from. Hope this helped.

Nov 04, 2008 | 2001 Ford Expedition

2 Answers

Air conditioning


There is a drain for the condensation from the ac on the passenger side at the bottom of the firewall under the truck, it is a tube, they get clogged and then the condensation leaks inside the truck

Sep 18, 2008 | 1993 GMC Suburban

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