2000 Jeep Wrangler Q&A

2000 Jeep Wrangler Question: Drain Tube at fire wall on Passenger side.

I understand that this is a overflow/drain tube for the A/C, but I go throught alot of coolant because it drain out of this tube. what would cause this? -
Answer 1
Must be pressurizing , no ??,probably system building up pressure.. -
Comment 1
Could that be caused by having the wrong radiator cap. -
Answer 2
Heater core is leaking. -