If the evaporator freezes up because of ice then it needs to be properly evacuated to get all moisture out and recharged with R12/R134a. Refigerants are a fluid or a gas at A/C temperatures and pressures.

Water freezes, freon doesn't.

__________________
Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.