AC Convertion


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Old 04-18-06, 07:47 AM
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AC Convertion

I have a '90 Cherokee, the AC has a slow leak (lasts about 1 1/2 seasons). It currently uses R12 (?). I would like to convert it to the newer less expensive refrigerant. What's involved in this process?
 
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Old 04-18-06, 10:00 AM
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R134

I am not sure what is required on a Jeep, but on a Pathfinder, all that was required as a system evacuation (removal of the old R12, some places used to pay you for it), change a few seals and fill with R134a. I can't remember if I had to change any fittings or not, but it was a pretty simple operation (and if you have a leak, well worth the cost saving between R12 and R134).

The only drawback is, R134 is not as cold.
 
 

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