New engine A/C
I could never get the engine A/C in my 1987 El Capitan to work right. It would cycle too much despite being charged, and didn't put out cold enough air. My solution? Take everything out except for the...
Forum Discussion
R-134a works on higher pressures, and the molecule is smaller, therefore the seal must be better than R-12. ALL R-134a fitting are made for o-rings.
