2003 Mazda Protege No heat

Tiny
KFLAV@HOTMAIL.COM
  • MEMBER
  • 2003 MAZDA PROTEGE
Heater problem
2003 Mazda Protege 4 cyl Two Wheel Drive Automatic

My car I just purchases a couple months ago used. I have come to find out that my heat works but does not get that hot. I was going to remove the thermostat and test it first. Ive also heard it could be the heater core but I have no problem with a leak in the area specified. Should I check that thermostat first?
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Monday, October 4th, 2010 AT 9:05 AM

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Tiny
WRENCHTECH
  • EXPERT
With the engine at full operating temp, locate the 2 heater hoses where they go into the firewall and feel them to see if they are both hot to the touch. If they are.

The temperature is controlled by the use of an air mix door that is operated by an electric motor/actuator. This door can be jammed or the actuator can be inoperative or have stripped plastic gears internally.
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Monday, October 4th, 2010 AT 9:13 AM

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