A/C recharge
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not much, if you use a generic kit the oils are compatible, but if it is leaking you need to get it fixed. Simply refilling it means you aren't pulling a vacuum and the system won't get very cold.
Mine has been able to do this about once or twice and taken a year each time to leak down and be useless again, it has never been cold, but enough to at least get me to where I am going without dying. This time it is toast though. I was looking at my hoses the other day to measure them and there is noticeable signs of leakage at the fittings, which I saw a little of before. This time though, I can actually see cracking and holes in the hoses, so I could probably refill it for 30 minutes.
Best thing is to take the hoses off, replace the seals on the compressor, replace the drier, and take the old hoses to a local hydraulic shop to get them re-made (much cheaper).
Put it all back together, pull a vacuum, and refill the system. R134 is a different amount to fill than r12, there is a simple enough formula for it.
Simply refilling often is always a temporary solution, sometimes too temporary.
Mine has been able to do this about once or twice and taken a year each time to leak down and be useless again, it has never been cold, but enough to at least get me to where I am going without dying. This time it is toast though. I was looking at my hoses the other day to measure them and there is noticeable signs of leakage at the fittings, which I saw a little of before. This time though, I can actually see cracking and holes in the hoses, so I could probably refill it for 30 minutes.
Best thing is to take the hoses off, replace the seals on the compressor, replace the drier, and take the old hoses to a local hydraulic shop to get them re-made (much cheaper).
Put it all back together, pull a vacuum, and refill the system. R134 is a different amount to fill than r12, there is a simple enough formula for it.
Simply refilling often is always a temporary solution, sometimes too temporary.
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