R134A conv. on a 1988 Ranger

[DamnYankee]

**Edit**
I guess I should have used the search function first. I found some good info already in the correct sub-forum. Still, any more insight would be welcomed.
How difficult and costly is an R134a conversion on a 1988 Ranger? I haven't bought the truck yet but I am looking at it today and may pick it up this weekend. I am confident in performing my own repair work, especially on older vehicles. This truck will not be a daily driver but used mostly for weekend project work and antiquing with my wife, hence the need for a/c.

 

[Dirtman]

The conversion itself is simple, you just need 2 port adapters which cost about 15 bucks. But you will need to take it to a shop to have the system put on a vacuum to remove the r12 then refilled with 134. That cost depends on the shop but expect somewhere around 100 bucks. If the system still works though there's no reason to convert. And if the system doesn't, you'll need to find out why and make those repairs first.

 

[Denisefwd93]

If you're asking I guess you plan on doing it yourself, just because of the sheer age of the vehicle replace the hose set, they are under $100,

Replace & use a red or green orifice in the tube located in the line coming off the condenser and towards the evaporator.

Before you do anything, you want to make sure the system is/was holding pressure if it was, you are very fortunate indeed!

you can choose not to but it is best to replace the receiver drier, (or do it in place) the compressor, flush, add the proper new type of oil, run it with a cordless drill if you can, flush it again, fill again with the specified amount of oil,