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Wiplash2000V6 01-16-2013 06:17 PM

no heat ...any help
05 ST ..has no heat. hasnt over heated so most likely not the t-stat or water pump.any ideas what it could be?

Indy'sexclusiveZx3 01-16-2013 07:16 PM

Tstat stuck open

amc49 01-16-2013 10:52 PM

X2, stat sticking open has nothing to do with overheating..............but will kill heat like nobody's business.

LouBomb 01-16-2013 10:56 PM

Do you have coolant? Lol I kno.. But it's happened to me..

sailor 01-17-2013 12:24 PM

Many of the too much/too little heat issues seen here are from the "blend door" sticking or it's actuator not working...

Instead of a valve to turn the hot coolant to the heater core on & off, most newer vehicles including the Focus just redirect the air between cold & hot (whether it comes in through the heater core or the A/C side).

Haven't played with this issue myself yet, but I've heard you can see the actuator & lever through the glove box area when you open that up all the way. Look for a lever & actuator on the air duct toward the middle of the car - you MAY see it try to move when you change temperature settings if it's just stuck and the actuator is trying to work. Some folks have reported having luck just freeing it by hand without it sticking on them again....

Luck with yours!

Wiplash2000V6 01-17-2013 04:07 PM

also the temp gauge doesnt move. I didnt even think of the blend door thing. thanks .

amc49 01-18-2013 12:50 AM

Yes, my door shaft hole is stripped and I'm not pulling that box...........I simply made up a hook to open glovebox and hook the door to move it whichever way I need. Takes maybe 5 seconds to move it. The door actuator motor actually works fine, it just won't engage the door. For full heat you want the holes in the grille you see looking behind glovebox CLOSED. You want them open for max a/c.

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