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

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?

by in Happy Valley, OR on March 08, 2014
2 answers 1 comment
ANSWER by on March 08, 2014
Must be pressurizing , no ??,probably system building up pressure..
COMMENT by on March 08, 2014
Could that be caused by having the wrong radiator cap.
ANSWER by on March 08, 2014
Heater core is leaking.

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