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A/C leak

 
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Old 06-23-2011, 02:52 PM
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A/C leak

Hello guys and gals. Got a problem with an A/C leak in my '88 Prelude. After wasting money on a shop gassing it up and putting dye in, they tell me I need new compressor, and a bunch of other stuff I don't know. This totals about $900. I paid 1200 for the car, and not sure I want to spend this on it. I have seen stop leak stuff in Auto Parts stores and want to know if this works or is a waste? Trying a cheap fix before spending $900. I just want A/C for these 106 degree days here in SC. Any help or advice is greatly appreciated.
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Old 06-25-2011, 09:29 PM
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Re: A/C leak

Dude the stop leak stuff works to a point, it will gum up the inside and cost more to work on if it doesn't work. Today I went down to Harbor Frieght bought the vaccum pump, then to Auto Zone for some flush and a new expansion valve, the A/C repair book, downloaded the repair guide from Prelude 13's page, and oh yeah brought my lab top with me to stream you tube vids on A/C repair. I have been at since 12 today. All I have to do is put the lines back on vac the system and fill her back up. I see this way why spend the money on someone else who may or may not fix it. Mine was already broke so what do I have to loose. I say save your money and try and fix it yourself, heck the hard part is done, all your r134a has is leaked out so you don't have to worry about draining the system safely.
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Old 12-25-2013, 01:34 PM
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Re: A/C leak

Once a leak has been identified and pinpointed, it should be fixed. Don't waste your time on "stop leak" products because they seldom work.

Leaks should be fixed for three reasons. One is because leaks allow air and moisture to enter your A/C system. Moisture can react with refrigerant to form corrosive acids and sludge that can damage the compressor, plug up orifice tubes and/or eat pinholes in evaporators and condensers. Another is because refrigerant is expensive. It may seem cheaper to keep recharging your system with additional refrigerant instead of having the leak fixed, but in the long run it won't be as the cost of R12 refrigerant continues to rise. Third, R12 refrigerant is an ozone-depleting CFC. When it leaks into the atmosphere, it drifts up into the stratosphere and destroys ozone that protects us from the sun's harmful ultraviolet radiation.

Before any attempt is made to repair a leak, any refrigerant that's still in your system should be recovered and recycled. All service facilities that do A/C work are required by law to have such equipment.

Once the old refrigerant has been pumped out of your system, it can be opened for repairs. The desiccant (crystals that absorb moisture and help protect the system against moisture contamination) in the accumulator or receiver/drier should also be replaced if the system has lost all its refrigerant or must be left open for more than a few hours for A/C repairs.

After the leak has been repaired, the system must be connected to a vacuum pump to purge it of all air and moisture before it is recharged with refrigerant. Leaving air and moisture in the system will greatly reduce the cooling efficiency of the system and will lead to the formation of damaging acids and sludge.

It's also important to replace any compressor oil that was lost due to leakage or parts replacement. Use the type and quantity specified by the vehicle manufacturer.

CAUTION: Using the wrong type of compressor oil or too much or too little oil may result in compressor failure.
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Old 12-25-2013, 02:16 PM
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Re: A/C leak

I've had 3 hondas that eventually leaked and it was always at the back of the compressor. Think it was 230 bucks for a new one.
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Old 12-25-2013, 03:41 PM
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Re: A/C leak

Hey hey, now I know where to start.
Thanks Les!

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