Quote:
Originally Posted by Johnhef
Something I've ben wondering for awhile, are the A/C valves that much different in the seals from a tire valve? The R12's are the same size, so can a tire valve core be used to repair a leaking R12 valve?
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Been a while since I bought any, but I can't imagine the correct core costing enough to make this substitute tempting. GM specifies that the valve cap with rubber seal is the seal for the service ports, and not the valve cores. Your mileage may vary.