where is the low side service port for a/c system? on 1991 Ford Taurus

I wan't to charge air conditioner with R-134.

by in Graham, TX on March 19, 2010
2 answers
ANSWER by on March 19, 2010
Usually the fitting on the can only fits the low side port
ANSWER by on July 28, 2011
your system is an older one. Pre 92' should have been filled and fitted with r12.

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