for some reason my heat does not work,,, the ac works great, just no heat,,, this is killing me in the morning.... any suggestions

 

Sounds as though you might need to get a new heater core.

 

Do you have the vent selector to blow on the floor?

 

 

The FD will not blow heat from the dash vents, only from the floor and defogger.

 

Well I'll be damned. I just read through the owner's manual, and they recommend the floor setting. I had no idea! That might explain why my heat seems to work so lame . I'll have to try that.

Thanks!

Dale

 

My GOD!

 

Since when? Mine blows geat from the Dash vents.

 

First place to look if you don't get sufficient heat is your coolant level. Make sure it's topped up and there is no air in the system.

 

Check your thermostat.. I had the same problem for about a month.. I think its due to your thermostat being stuck in the open position.

 

Since always; at least for the '93s. The heat that comes from the dash vents is just barely warm. The floor and defogger actually blow out what you call "hot" air. Says so in the owners manual too.

 

I have noticed this too. They only real heated air comes from the floor or the defogger in my 93.

 

News to me. I've owned two 93's for the last 8 years, and both blew thermonuclear heat from the center dash vents, and it gets pretty cold here. its actually one of the better "regular car" features.

 

Same here Peter.. I could roast a hotdog on my 93's vents.

 

I've only got a '93 manual, and it documents it -

Heating -
1. Set the function selector at floor position

...

If cooler air is desired at face level, set the function selector at the (floor/face) position and adjust the temperature control to maintain maximum comfort.

The air to the floor is warmer than the air to the face (except when the temperature control is set at the extreme right or left position).

Go figure. Tried it just now, and the car did get warmer more quickly, but the day is warming up to where I don't need the heater. I'll play with it again tomorrow morning when the car is ice cold.

This morning, the heat didn't get warm enough until I was JUST about to work (a 15 minute drive). That was with keeping the revs between 3 and 4000 RPM and easing into boost every now and again, trying to get the temp hot. I did have it on the face position, though.

Dale

 

Well I have a 94 Touring, and I have the same experience. If I have the heat on high and have it on Face/Floor- it's less hot than if I have it just floor, or just face or vent.

I just shrugged it off, since my FD is getting its Hibernation in the wintertime I suppose it doesn't matter that much.

And yes, thermonuclear heat eventually comes out, but putting it on BOTH face/floor always makes the air less hot either way.

 

im gonna try the whole floor positioning thing,, i hope it works!!!!! it was like 30 this morning in TAMPA ,,, cant believe it.............i was froze by the time i got to work

 

tried heat to the floor,, no heat,,, what do i check for ?? heater core, ect.....

 

tried heat to the floor,, no heat,,, what do i check for ?? heater core, ect.....

 

Why the woulda mazda do that

 

There was discussion about this last year at the same time about warm/hot air causing people to fall asleep faster behind the wheel at night at what not. the warm air soothes your face and you get all super comfortable that was just said last year though i wonder if someone will come up with a better exlplanation this year.

 

i was told that there was some valve that opens and closes to allow hot air from the engine to the vents through may be stucked closed,??? anyone heard of this? i just need some direction in finging out what needs to be checked and how to check.... thanks

 

wait wait... does this mean if you set you blower to full blast in the defogger or floor position all the way hot, it will give a better cooling eficiency than doing it with the face position? I never knew it blew hotter air in defogger and floor position. I just thought my heatercore was a little clogged or something. Well it probably is, but I'm gonna try this right away when I get my car back.

Jeremy

 

where is the heatcore located at?

 

Check your coolant level. You may also have an air bubble is your coolant system that is trapped in your heater core.