dissapearing coolant?

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Originally Posted by goodyear1984

look on the passenger side of the firewall below where the heater tubes are...there is a rubber gromet with a hole in it ,that is the drain for the heater box see if theres and coolant comming from there and if not stick a small pick or something in there to see if its pluged,,

What he said.

Changing a heater core sucks so bad.