cj7 A/C freon amount?

[jeremy5780]

I have a 1985 CJ7 with the AMC 258 i6 / 4.2l and factory A/C and I cannot find where it tells you the amount of R134A to charge the system with. I have checked under the hood and no sticker, I read the manual and no luck. Does anyone know?

 

[IOPort51]

I think an 85 is still a R-12 system. putting 134a in it will pretty much trash your system without some fairly major changes.