Posted by GarryinNC on July 20, 2014 at 17:30:48 from (67.213.47.54):
In Reply to: Pickup A/C question posted by John in La on July 20, 2014 at 12:30:09:
Add some R-134 until the suction line is good and sweaty all the way back to the compressor (my crude but effective rule of thumb). Run it a while and see how it does. You might not have to add any more for a year. Have seen it work out that way more than once. Plain old 134 with no fancy additives is only $5-$6/12oz can.
Make sure your fan clutch works properly and does not 'coast' when you shut off engine hot. If it is still cooling at all now, you probably don't have much of a leak. Have you had to add much over the years? Wipe off the hoses and see what accumulates back on them. If you had a 'pinhole leak', I think it would empty the system in a day or two. I am sure that Louisiana climate will test an A/C system!
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