auto ac

Asked by May 31, 2016 at 11:28 AM about the 1999 Ford Crown Victoria 4 Dr LX Sedan

Question type: Maintenance & Repair

Ac on 99 crown vic blows cold fhen hot. Pressure in ac line is either to much
or not enough. No leaks. Cant get happy medium.

5 Answers

105,325

Has there been any recent work on the system?

Best Answer Mark helpful

Yes I added oil and coolent. Well tride to add coolen but built up to much presser then. Now someone has bipassed heater core allso

105,325

It sounds like too much oil, do you know how much you put in? Bypassing a heater core will not cause any A/C pressure problems. Just a cold, frozen or damp car in the winter.

4oz. Oil. Also freezes over. Cant get right pressure. To high but shut car off for min start up and pressure to low

20,400

May have a clogged orfice tube filter this filter is inside of the high side of A.C system ( the small line ) you will need a line disconnect tool to separate line and filter is inside.

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