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Old Jul 11, 2006 | 01:53 PM
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makthenif's Avatar
makthenif
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From: Deep in the heart of TX
A/C Recharge

What are the A/C recharge steps or directions? Does anyone know if these have been posted? I want to do the recharge myself instead of taking it to a shop. Thanks
 
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Old Jul 13, 2006 | 02:34 PM
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lsrx101
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Make, model, and year would be very helpful.
First, if the system is low or empty you need to find the leak and repair it. The old refrigerant went somewhere.
Next, is this an R134 system or an R12 system?
You will need access to a vacuum pump and a manifold gauge set at minimum.
 
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Old Jul 13, 2006 | 03:23 PM
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makthenif
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AC Recharge

2000 Ford F150. No leaks. R134.
 
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Old Jul 13, 2006 | 07:55 PM
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lsrx101
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From: Lorain County, Ohio
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Originally Posted by makthenif
2000 Ford F150. No leaks. R134.
That helps. How do you know there are no leaks, where did the old refrigerant go that it needs to be recharged? If you opened the system for engine work we need to determine if any oil was lost and about how much. That much needs to be added back in. You then need to pull a hard vacuum in the system and charge the recommended weight of refrigerant. If the system has been empty for any length of time, the accumulator will need to be replaced.
 
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