Question about 2003 Mitsubishi Galant
Same problem I had for over a year...A mechanic might try to tell you it is simply the heater core (don't fall for it). There is a control under the dash that operates the temperature gauge. Basically that control is gone and must be replaced before you do have a heater core problem (which you will know, usually once your car overheats or you smell antifreeze). I know money is tough but i think price ranges on this to be done as more manual labor is required than replacing the actual part itself. You are looking at roughly $300.00.
Posted on Aug 01, 2009
I had the exact same problem, yes it was the heater control valve, the repair was 285.00. The tech that replaced it told me it is a common problem for the Galant. He said that if you keep your temp selector on either all hot or all cold that it keeps constant pressure on the plastic gear teeth in the valve. As they break off one by one you begin to hear that clicking noise as the dont catch. When you finally break off the last one it stops working.
According to him if you always leave the dial at least one notch from fully hot or fully cold you will not experience a failure of the switch
Posted on Aug 22, 2010
Mine did the same thing, it was the heater motor valve.
Posted on Mar 17, 2010
Your heater valve motor may be bad
Posted on Jul 27, 2009
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Posted on Jan 02, 2017
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