I seem to have a slow leak in my A/C system and plan on draining the system, changing the dryer and recharging using a leak sealant as well as topping up with regular freon and oil.

My questions are;

1) How much total freon does the 92 XJS V12 take including the seal sealant in pounds?

2) Do I need to add A/C oil when recharging the system? If so, how much?

Thanks for your help.

Stephen

 

A quick reply is that there should be a sticker under the hood with specs for A/C.
I would double-check with the factory manual to double check.

 

You will need to provide more information.

I believe your 1992 may still have R12?

My 96 requires 32 oz of R134a +/- 1.75oz.

The amount of oil is a bit tricky. It depends on what it is you are replacing. If it is a simple evacuate and recharge, I would probably not add any oil.

If you are replacing the condenser, and drier, I would add 1 oz of PAG oil. If you are replacing the compressor, then you would have to add back the 4 oz that you have removed from the system.