Climate Control Adds Heat in AC Mode

[Bernie Benz]

> From: michael <mdearing at mhtc.net>
> 
> I recently replaced a leaking heater core, a valve, and a temp sense
> fan in CC system. Ever since then, the heat is always somewhat on, when
> the CC is off and when in Auto (for AC) mode. What's holding open the
> coolant control valve?
It's a normally open valve.  You must have a hose disconnected or a vacuum
leak.

Bernie
> - michael