How to convert r12 to r134a on 92 Mercury Grand Marquis?

Answer:

pick up a bottle of HOT SHOT FREON, You wil need a EPA card to buy this. Just vacuum out your system then add about 12 ounces of the hot shot freon. HOT SHOT is a direct replacement for R12.

First answer by ID1092426362. Last edit by ID1092426362. Question popularity: 2 [recommend question].