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Last year I got my ac refilled with r 134 and it all leaked out in a day. My mechanic told me that I needed a new condenser. I changed the condenser and the lines myself. Now I don't know if I should

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  • 109 Answers

The system has to be evacuated and recharged you didn't say what type of car but this has to be done on all 134 leaks faster then r 12 as a thinner gas

Posted on Jul 14, 2013

  • G.P.
    G.P. Jul 14, 2013

    The vehicle is a 1996 Jeep Cherokee Sport. I realized that I didn't type the year make and model, thank you. Can I evacuate the system myself? Is there a tool that I can purchase for that?

  • John Gray Jul 15, 2013

    You need a vacuum pump and to be left on for 30 minutes should reach a pressure of minus thirty to show no leak so gauge has to be hooked up this is to remove the moisture in the system also good idea to put an once of oil in system as when AC leaks so dose the oil

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Fair price to fix central air conditioner leak & refill with freon

I have heard that there is a spray you can use that will not damage your system and seals the leak when it comes in contact with oxygen

Posted on Apr 09, 2009

darjr
  • 378 Answers

SOURCE: Central AC unit not cooling

If you have access to your piping system you may use a soap bubbles to test the pipe connection. the leak gas will blow the bubbles if there is leaking. But if your system is out off freon gas, you can not use this method. just try it check the connection first put the bubbles around it.

Posted on Jun 04, 2009

  • 52 Answers

SOURCE: Goldstar GWDH 5000 does not cool after storing this winter

sounds like low freon or a blockage in one of the lines, especially since the you say only one row of coils is cool. usually window a/c's have at least a 1-year warranty and since you are pretty close to that, the manufacturer may honor it. if not you will need to have the system fitted with a bullet piercing valve on the low side lines and see if the unit is low on freon with proper gauges. if it is not showing low then there is probably a blockage and the high side should be checked as well. if this unit was an expensive one it could be worth having it repaired. a simple recharge may cost less than a replacement, but anything else probably won't.

Posted on Jun 10, 2009

motor1258
  • 6674 Answers

SOURCE: i have a travel trailer

If it's leaking inside where filter cover is, then real good chance the drains being plugged is the only problem. If water (condensation) not running off roof when operating in cool mode, then I'd bet drains, which are located under unit on roof, and you should see them sticking down like buttons. They have a hole in side that needs cleaning with a pipe cleaner or similar to open them up. If need be, shut off power to unit and remove top cover on roof unit and look for the drain holes in base, and clean them out. If water comes in while raining, but AC not running, then it's gasket. That is remedied by removing ceiling assembly (just screws) and 4 bolts that pull/hold the upper and lower assemblies together, unplug wiring to upper unit, and simply lift it off, change gasket and re-install. Tighten those 4 bolts equally when gasket is aligned properly over hole, only until gasket is approx 1/2, original thickness. Plug harness back in and your done. (about an hours work.) Only other thing that may be wrong is styrofoam drip tray for cooling unit, under cover on roof may have a crack , allowing condensation to leak in. If that 's the case, you can try to find a sealant compatible with styrofoam to seal those cracks.

Posted on Dec 03, 2010

heatman101
  • 43501 Answers

SOURCE: The front AC on my

Hi,
This is an R-22 unit and it will work at very similar pressures to the home units that you have serviced...
You will find that it is a bit low and that the suction pressures will be down in the 50-55 range...maybe lower....get them up to at least 70 when the indoor temps are say 70-74.... they will be higher if you are warmer... also this is assuming 70-80 outdoor temps...if the outdoor is higher the pressures will be higher also...
In the worst case with very high indoor and outdoor temps. you may see 80 psi suction press.

This should give you an idea of what you are looking for...and charging that will fix your problem...

heatman101

Posted on Aug 21, 2011

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1 Answer

What type of freon do i use in a 2000ford focus 2.0L DOHC


YOUR CAR USES 134 a FREON. THERE SHOULD BE A STICKER TELLING THE TYPE AND HOW MANY OUNCES.

Apr 03, 2016 | AC Cars & Trucks

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Ac problem at idle after converting over to 134a from r12


to convert from r12 to r 134 a the entire system has to be changed
that is condensor, compressor, evaporator, hoses ,the lot because r134a runs at much higher pressures than r12 ( nearly 3 times higher in psi)
it needs different gauges and has different fill connections so that the gasses cannot be mixed
to make it worse the oil used in the compressor is different because of the different gas and is not compatible with the r12
there was nothing wrong with r12 gas but companies and customers were "hoodwinked" into believing that the r12 was bad for the atmosphere and r134a was the answer
just as you have been " hoodwinked" by the person into getting a gas change over without being fully informed of what was involved and why
with r134a gas there has to be a fan in front of the condenser that works immediately the ac is switched on as the temp of the gas being converted back to liquid is much higher because of the higher pressure need to convert it back from gas to liquid
without that fan the system starts to circulate gas and so the evaporation of the liquid at the evaporator in the car is lost and no heat from the car is transferred back outside
what it means is this --- if you can get r12 gas , change the compressor back to an r12 compressor, have the system completely flushed, vacuumed down for at least 1/2 hour and then refill with r12
If on the other hand you have to use r134a because that is the only compatible compressor available then the evaporator , hoses and condenser have to be changed as well and that means a new ac kit basically
find yourself an accredited ac specialist shops and get quotes

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Why ac blowing hot air


start off with the cheap possibilities and make your way threw.
I'd start off with replacing Air Charge temperature sensor, make sure your AC Hose isnt leaking anywhere, if those dont solve it then replace ur AC clutch, last chance would be replacing AC compressor. sometimes the compressor will malfunction randomly. or the AC clutch might malfunction aswell. covering these steps somewhere along the line you will have working AC again! good luck

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Sep 18, 2012 | Carrier 38CKC036 Air Conditioner

1 Answer

AC doesn't blow cold air.


I'm sorry you have had such bad experiences with the shops.
I would have stopped at the second one and forced them to fix it at their cost.
I doubt you will be able to find the problem yourself, but I understand your hesitation to go back to another mechanic.
I will be happy to try to walk you thru the diagnostic process but it may take a few days.
First, do you know if the system is full of freon ?
If it is full, do you know if the compressor is running when the ac is switched on ?
The first shop should have discovered the blown fuse once they charged the system unless it took a day or two for the fuse to blow. The second shop that put the compressor on should have found the faulty fan, and the leaking hose if it is in fact leaking.
So should have the third shop.
If the compressor was faulty, and the system had been empty for a time, the hose could have started leaking once the system was being used. The pressure on the high side is over 200psi when the compressor is running.
Let me know where you want to start with the diagnosis after you answer my questions.

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1 Answer

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sounds like perhaps it is time to purchase a newer car and let that one find a new home . our daughter had a problem like this and after much expense was told to unhook every thing electrical she could . ended up being the radio/stereo in the trunk.

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How do I convert or fill 92 Jeep Cherokee air conditioning freon?


If it leaks 134 it will leak R-12 .I have changed hundreds of systems over to 134 without any complaints. Don't let the 94% eff rating of 134a scare you because that does not mean that your ac system will lose 6% cooling ability .A large class 8 truck or maybe a high roof van black on black and poor insulation might tax the system in the 90% range on 100 degree days but most systems never get close .
134a high side pressure will be about 18% higher so most systems you need to change the high side cutout.The R-12 electric fan switch will be ok just make sure it is engageing the fan when the pressure comes up.You must check the condensor in front of radiator to make sure air flows easily thru it.On systems where the hoses screw on each side of the dryer I replace the dryer .Drain oil from compressor and replace with 134a oil .Replace that bad valve core (with ac valve core not a tire valve) Now very very important vaccum the system and if no loss of vaccum in 20 min charge with manufactors recomended amount of oil and freon.If a system is low on freon (cycling in & out on low pressure switch) you can add a pound of charge with those small cans of same type freon no problem but when there is a leak and the charge has been lost or changing freon types you must pull a vaccum to properlly charge the system. If you just charge R-12 or 134a your system will have traped non -condensables and a large drop in cooling ability. Hope this helps. Harold

Jun 20, 2009 | 1992 Jeep Cherokee Sport

1 Answer

AC compressor blows fuses when it goes to kick on.


As a mechanic I NEVER put that JUNK in ANY system, they clog up A/C compressor's and every thing elese. (You might have to replace most of the components in your vehicle now. ie condenser, evaporator, compressor, receiver/dryer (accumulator), orifice tube (thermo expansion valve) and you may be able to flush out the lines.

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1 Answer

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If the compressor has gone bad again, it may be because the system didn't get flushed properly when it was first replaced or oil was not added. Before being done again, it must be flushed. This can only be done using special tools and materials. If you have that done, then you must replace the receiver/dryer, associated seals, refill the system with right amount of compressor oil, the compressor of course and then recharge the system. This is all assuming there are no leaks in the lines or the evaporator and condenser.

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4 Answers

Fair price to fix central air conditioner leak & refill with freon


I have heard that there is a spray you can use that will not damage your system and seals the leak when it comes in contact with oxygen

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