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flatrater...i have a 90 lesabre and i retrofitted it to 134a. does that make the ac more prone to leaking at the evaporator? Also, i the other day i hooked manifold gauges up to the system because it didnt seem to be blowing as cold. the high side was 150 psi below normal and the low was 15 ( chart i had said 134a pressures should be at 200-225 for high and 45-55 for low at 80 degrees F) i tried adding freon, but there was hardly any suction on the low side. it took 20 mins to get half a can in and the pressures still didnt go up. any ideas? thanks a ton
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