A.c.

Asked by Jul 18, 2017 at 09:29 PM about the 1990 Mercury Grand Marquis GS Sedan RWD

Question type: Maintenance & Repair

Hi if we put Freon in out leaks right back out by
that lil valve  thing

1 Answer

1,565

The valve seal screw may be loose. You could try to tighten with with tool found at auto parts store if not the valve needs replacement.

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