2002 Mazda 626 "truck heater blows hot" Questions

...heater or defrost is on, however when in motion it will only blow cold air. This morning was the first time I had seen the gauge go to hot. I warmed up my car and could not get any hot air even while ...

...happens the a/c light does not comeon all the other lights will but it will not blow any air hot or cold Well first check the fuse for the heater and or ac and see if it is blown if it is replace

...blows warm air and i have replaced the cooling fans There is a valve that stops hot coolant from entering the heater box.  It is probably stuck ...

...heater still blows cool air. I have read about a blend door that could be affecting the tempature. Any help would be fantastic under the dash board on the passenger side is where the heater core is ...

...heater still blows cool air. I have read about a blend door that could be affecting the tempature. Any help would be fantastic Can you hear the door open ? The actuator solinoid may not be working

...hot, but no steam or noise, so I turn on the heater full blast, it goes RIGHT BACK down! But, even tho the heater is still on, the gauge goes up then down...it scares me as I dont' want to blow the ...

...heater control over to full defrost it will not switch over keeps blowing hot air out of floor or front vents. Really hard to get front windshield defrosted. I would like to have a diagram for the ...

...hot side and heater still will not get warm. sounds like the head or head gasket is blown. your cylinders may be getting coolant in them which will not only cause the motor to lockup, but also cause ...

...heater core. I've replace dboth hoses and still have severe leak. maybe its leaking else where and follow on a channel or something and then leaking out the back you need to start it and watch it ...

...HEATER,A/C BLOWS HOT AIR,A/C NOT BLOWING COLD, COLD AIR FROM HEATER,BLEND DOOR ACUTATOR CLOSED,HVAC UNIT NOT OPERATING, ...