I have a 2000 Sienna 5 door minivan. There is a secondary rear AC with an evaporator & blower located on the passenger side, far rear side panel.

I am inquiring if this rear AC can be disconnected. There are low & high metal lines going to the rear AC beneath the vehicle, with couplers under the front passenger underbody area. The couplers are brass.

Can they be capped and not adversely affect front cabin AC? A reduced amount of refrigerant would certainly have to be used......it takes 48 oz already.

Reason for this is a possible leak of the rear evaporator and I've never used the rear AC.

Opinions or experience with such a notion? Please let me know what you think.