Question about 1997 Chevrolet Tahoe

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What type of freon does my truck use for the best and coldest air conditioning effect?

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Most all vehicles today use 134a, Near your hood latch or on the compressor it will tell you. If not a local autozone or such can tell you if the fittings are for 134a.

Posted on Jan 14, 2009

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There is only one kind....r134a the old r12 is gone...

Posted on Jan 14, 2009

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Air condtioner has a bad smell causing headache


Whether as a gaseous or liquid coolant, Freon aids in refrigeration, air conditioning and maintaining aerosol contents under pressure. Not only can this toxic chemical expose the earth to excessive ultraviolet rays, but the substance can also sicken those who inhale it in an enclosed atmosphere.

Detecting the signs and symptoms of a Freon leak will protect lives, ground water and air quality.
Cardiac arrhythmia can signify the presence of leaking Freon. A person without a history of irregular heartbeats might suddenly detect heart palpitations and faulty blood circulation upon exposure to a Freon leak. The blood circulation problems may also lead to numbness in the limbs.

General Illness
  • A Freon leak can cause nausea, headaches, bouts of regurgitation and general disorientation. Confused thinking and trouble walking or coordinating movements also may result. Severity of illness depends on the amount of Freon released and the length of time exposed. A fire department can provide solutions and guidance for anyone detecting a Freon leak and suffering from its effects.
  • Jan 15, 2011 | 2002 Toyota Avalon

    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

    2 Answers

    What air conditioning freon is used in the 1990 oldsmobile regency


    The air conditioning refrigerant/freon used in Oldsmobile regency is R11 (no longer readily available) so this can be used R134A. Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

    Aug 17, 2010 | 1990 Oldsmobile Regency

    1 Answer

    WHAT TYPE OF FREON DO I FILL MY AIR CONDITIONING UP WITH ON A 1997 HONDA ACCORD


    Use 134a freon,be sure to add oil also,if the freon was lost,so was some oil,use a 4 oz can of pag 46 oil charge.

    Apr 16, 2010 | 1997 Honda Accord

    1 Answer

    Air conditioning is bad


    Early use of the new type freon - kills those old seals quickly.
    You may have a cracked O ring seal in the high pressure side of your air conditioning system. Have it checked with a leak detector... that should tell which seal is leaking.

    Oct 13, 2009 | 2002 Ford Taurus

    1 Answer

    My ac wont work


    Must be Air-Condition System Lines/ Hoses leaking R12 Freon (gas).

    MAYBE THE PULLY HUB BEARINGS FAILED OR
    DUE TO VERY LOW R12 FREON (GAS ) will not work.
    Because there is a switch in the receiver/dryer prevent AC from working when low R12 Freon present, to protect the system & compressor damages.

    You must fix the leaks, before recharging it.

    They must **** the old (residue) gases from the system & lines / hoses...... & stay in the vacuum pump 30 minutes to proof no more leaks.

    Recharge some oil for the old type R12 Freon gas.

    Before recharge it to 62-67 psi R12 Freon

    See the web site like www.youtube.com/video site to see How they service & repair air-condition system?
    Put the question to their search window.

    This is the question u should.
    How they service & repair air-condition system?


    Regards;
    MAR

    Aug 04, 2009 | 1994 Cadillac DeVille

    1 Answer

    AC Is not blowing cold air. What type of freon


    Your cars use R134. Older cars have to be converted to R134

    Jul 11, 2009 | 2002 Dodge Neon

    1 Answer

    2001 Honda Odyssey Ex Air Conditioning Not Cooling


    Hi, my best advise is to have your air check for freon leaks ,low freon causes the compresor cluth to stop working ,this can cause the air to blow hot .......

    Jul 10, 2008 | 2001 Honda Odyssey

    1 Answer

    Air condition 95 SL1


    This is normal if the heat load (temperature inside the car) is not extreme (100+ degrees F). A slightly undercharged system will run colder when the weather is not to hot. However, an undercharged system will not perform as well when the temps go up, as there is not enough Freon to tranfer the massive heat load out of the cabin of the car.
    One very simple thing that will help performance is the clean the A/C condenser (in front of the radiator). Even if it looks clean, debris builds up in the gap between the radiator and the condenser. Spray water from a garden hose into the front of the condenser. This works best with the engine running and the A/C on. 3-5 minutes will work. A nozzle to increase the outlet pressure of the hose helps. Spray ALL areas of the condenser.
    Charlie

    Jun 14, 2008 | 1993 Saturn SL1

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