A 92 would have come with r-12 you can find some r-12 on eBay but you would be better off to convert to r-134a. When you do that you will need to change the dryer ( it looks like an aluminum can) to one that is for the new freon. If you have any leaks you will need to fix them also.
I need a fuse box layout for a Ford E350 Econoline Rv
Which do i hook to to charge the freon in a 2004 ford expedition
R134a
round ones
not if registered to you. or under 26500 lbs
R-12.
Typically a 1986 Ford e350 RV27 feet long will need to run different appliances to meet the needs of the family. Using a 4kw generator will give enough power to do this.
You need to replace your Blower relay,
3 LBS
You need gauges to repair AC.
The 1994 Ford Escort LX uses R-134a Freon. This type of refrigerant was used in all Ford Escorts from 1994 through 2002.
It was built with R12, but will need to be retrofitted for R134a.