What's my freon capacity in my car? Converting it to r134a but I have no idea what the capacity is. Vehicle is 1978 Lincoln Continental 7.5L


Asked by Aug 22, 2015 at 04:23 PM about the 1978 Lincoln Continental

Question type: Maintenance & Repair

1 Answer


It is usually 80% of the R12 but that is just a ball park figure after the retro is finished and there are no leaks showing after the vacuuming is done then add 3 lbs to start, then fire it up and use the pressure readings to finish the fill the average should be 32 low side, 250 ish on the high, of outside temps have a big thing to do with the high pressures so do this when it is as cool as possible. Make sure the fan clutch is fully operational or the high pressures will be high. If I remember the last big Lincoln I did took 5 LBS of 134A, the little cans of 134A are not a full pound.

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