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A/c is overcharged but still cold but not real cold

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You need to take it in and have it completely evacuated of freon, and recharged properly overcharging can ruin your ac compressor also which will cost several hundred dollars to fix versus usually under a hundred at a local shop for an ac service

Posted on Aug 20, 2010

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1 Answer

I do not get any cold air from AC vents. I believe that I overcharged the system by adding from a can that had a faulty pressure guage. The AC was working even after I had overcharged it. After...


You need to have a repair shop fix the problems
you put in there, from trying to work on an
A/C system without proper knowledge or equipment

Sep 02, 2013 | 2005 Audi A6

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Overcharge refrigerant


The low side will not tell you if the system is overcharged or not. You would need a gauge hooked up to the high side to know that.
It could be a relay, ac clutch, or pressure switch problem.
35 - 45 psi on the low side is normal

Jun 25, 2013 | Ford Cars & Trucks

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1985 toyota truck is dead nothing works but battery is good


Before you condemn anything, take a piece of sandpaper or emery cloth, and sand the terminals very gently, making sure to get the battery to shiny condition. Do the same to the internal connectors on the wire terminals, and check to make sure the wires are properly grounded/connected. Then, tighten the connectors down real well again. If that fails, a cheap $12 multimeter from wal-mart will quickly tell you if overcharging killed the battery.

Dec 22, 2011 | 1985 Toyota Pickup

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Altis air con intermittent problem. Starting is cold but after 10mins or so it's not cold anymore.


the system has moisture in it, or is overcharged, have a shop perform a evacuation and refill it with rigth amount off freon and oil, also is not a bad idea to add some dye in case there will be a leak make it easier to found./

Apr 04, 2011 | 2005 Toyota Corolla

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Put a new alernater an still over charging


Over charging could be the result of several things including:
    Faulty Voltage Regulator
  1. A car's battery will overcharge if the voltage regulator isn't working correctly. A voltage regulator is usually part of the alternator, and is used to keep a steady flow of voltage to the battery. If the voltage regulator is defective, it will send either too little or too much charge to the battery. If it sends too much, the car battery will overcharge. The voltage regulator is easily replaceable at an easily affordable price, sometimes for as little as twenty dollars, as of 2009.
  2. Faulty Alternator
  3. Sometimes the alternator itself can be at fault. The alternator is the device that converts the mechanical power of the engine into electrical power to charge the battery. When an alternator breaks, it usually stops creating electricity for the battery, which will then eventually die. However, if the wrong alternator is placed in the car, or if the alternator is running at the wrong pace, it will create too much energy for the car battery, causing it to overcharge. The alternator is another easily replaced part.
  4. Incorrect Charger Use
  5. If a battery charger is used to charge your battery outside of your car, improper use of the charger can result in overcharging. If a battery is placed on the charger too long, it can result in overcharging, and a significant decrease in your battery's lifespan and efficiency. This is why it is important to read about your specific battery and understand how long it needs to charge to be effective. Too much charge will lead to problems.
  6. Faulty Battery Chargers
  7. Sometimes chargers can be faulty. Their settings may be wired incorrectly, or the charges labeled incorrectly. As a result, your battery may be getting overcharged, even if you are carefully monitoring your charging. This is a problem that is hard to avoid, as manufacturing mistakes can happen anywhere, anytime without warning. It is a good idea to test your charger regularly to see if it is running correctly.
  8. Heat
  9. Extreme heat in the summer can also have an adverse effect on the car battery. If the battery has been previously overcharged, extreme heat can increase the problems caused by overcharging, and exacerbate any other problems with the battery. This problem can be hard to avoid if you live in a warm climate. The only real way to ensure safety against this problem is to avoid overcharge in the first place.

Feb 27, 2011 | Ford Expedition Cars & Trucks

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I've got a '71 ford custom w/305.The battery overcharges to the point where it boils the water out.The alt. & voltage reg. have gone out twice since this started.The back of the ammeter looks like it...


while it is acting like a faulty voltage regulator, have you been able to monitor the voltage when overcharging? Are the grounds all in good condition? I seem to recall this many years ago. I'll shake the cobwebs loose if you contact me back and see what help I may be.

Feb 17, 2011 | Ford F Cars & Trucks

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I have a 2002 PT cruiser. When I tried the air conditioner it doesn't get cold. I tried to add refrigerent and it didn't work. What different things could it be?


Well, it could be a lot of things. Bad compressor, bad clutch on the compressor, overcharged system causing the Safety to activate, a leak in the system, a bad coil or dryer or something as simple as a blown fuse for the compressor. Put your system in full defroster and set the temp select to max cold. if the compressor kicks in and you get cold air at that front window then the problem could be the control itself. If the compressor doesn't activate then it is most likely the compressor. or an overcharged system.

Feb 12, 2011 | 2002 Chrysler PT Cruiser

1 Answer

20002 PT Cruiser ac not blowing cold....shop said ac clutch compressor was bad so we replaced that.still won't blow cold...


It may be possible you are needind a charge or at least ck'd out.




if the a/cclutch was cooked, the compressor may have been shortcycling. that's what took out the clutch.chk for an overcharge

Oct 13, 2009 | 2002 Chrysler PT Cruiser

2 Answers

How many ounces of refrigerant should a 2005 GMC 1500 van with rear ac take...at 30 ounces and cooling but not real cold..gauge reading about 35 but last 12 ounces didn't make it go up much?...thanks


AIR CONDITIONING REFRIGERANT
Front A/C 1.8 lbs (0.81 kg) Front and Rear A/C 3.1 lbs (1.41 kg)
Air Conditioning Refrigerant R134a P/N 12356150 U.S. (10953485 Canada)

Jul 22, 2009 | 2005 GMC Savana

1 Answer

A/C works for a minute the quits


u have overcharged the system

Jun 29, 2009 | 1991 GMC Sierra

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