Question about 2002 Cadillac Deville

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02 Deville is not blowing cool air in car. The freon level seem cool but no cool air inside

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Sounds like heater control valve.

Posted on Jul 07, 2009

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1 Answer

Ac not working on 1996 cadillac deville


Give this a try. It woked for me. Disconnect your positive battery cable and count to ten. Re connect battery cable and see if that does it. If not you may have a bad pressure switch on your A/C system.

Mar 25, 2013 | 1997 Cadillac DeVille

1 Answer

FREON WILL NOT HOLD IN 98 DEVILLE AND AIR WILL NOT BLOW OUT OF VENTS


the vacuum lines the control your vents might have wiggled loose or have a leak, same for the hot cold mix

Mar 14, 2012 | 1998 Cadillac DeVille

2 Answers

Why my ac in my cadillac deville 1996 blows hot air?


If your low on freon then the A/C wont come on? for a 1996 you will need to get it serviced if you havent its normal to loose 10% freon a year,

May 06, 2011 | 1996 Cadillac DeVille

1 Answer

Air conditioning not too cold ??


Hello,
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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

Ac not blowing cool air. How many fan are there in the engine department? how does the fan system work to cool the condenser?


The fans are inportant but the regular raditior fan will do it and the road speed of the car will blow enough air though the codenser to make it cool if it's going to. Does the compressor turn on? if it does do the lines hooked to it get hot?( the small one) and the big one get cold? The condenser should get hot, Hot enough to burn you and the freon level may be wrong and or the compressor isn't pumping. ( brocken inside)

Jul 02, 2010 | 2000 Jaguar S-Type

2 Answers

Have problems with a/c not cooling on nissan maxima 1999 year .has good pressures on gages .not cooling inside ,doors on box seem too be working .compressor is working .any ideas on what maybe wrong


You say the pressures are good?The low side on this vehicle need to be lower than most,because it has a expansion valve,it needs to be around 30 psi,to about 35,if it is not,and the freon level is correct,then the expansion valve is bad.If this was helpful,please rate,thank you.

Jun 15, 2010 | 1999 Nissan Maxima

1 Answer

Air condition won't blow cold


Clogged ORFICE TUBE and or Low Freon Level.

Jun 04, 2010 | 1998 Plymouth Breeze

1 Answer

CADILLAC DEVILLE AIR CONDITIONING DOES NOT COOL


Did you just fill the freon? Have you tried unhooking the battery to reset the system?

Apr 03, 2010 | 2001 Cadillac DeVille

2 Answers

My lesabre blows warm air on driver side cool air on passenger side


If you have dual climate control, you most likely have a low freon level. The evaporator can get cold enough for the passenger side (where the evaporator is located), but not cold enough to transfer cold air to the passenger side. Have it inspected for a leak and the freon level topped off.

Jul 26, 2009 | 2000 Buick LeSabre

1 Answer

Air conditioning blowing only highest setting but HOT air


Sounds like your freon has leaked out and your heater blower resistor is burned out. Deffinitly take this to the dealer.

May 20, 2009 | 2001 Honda Odyssey

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