2005 GMC Sierra "truck hot cold" Questions

...HOT THEN TURNS COLD WHEN I SHUT TRUCK OFF THEN START RIGHT BACK UP THE HEAT WILL BE HOT FOR ABOUT 5 MIN THEN TURN BACK COLD IF I TAKE RADITOR CAP IT WILL BLOW HOT WHEN I PUT IT BACK ON IT WILL BLOWW ...

...hot air, turned off the truck and started it again and it will blow hot for 5 seconds and turn to cold again. have you come across this problem before It is running a test cycle and getting ...

...hot air even when heater dial has been moved back to cold postion. Whats going on? Suspect temperature control servo If stripping noise is heard when changing from hot to cold and back,replace

...Toyota Highlander, returns to cold when driving straight try pulling the hot cold air mix nob straight off and tightening the nut at the base of the stem. Do the same thing with the vent selector

...truck is over heating and blowing hot then cold air. I can keep it from over heating if i turn my heater fan on high. If air is hot then cold it sounds like you have a sizable air pocket in the ...

...is...are both heater hoses Cold or is one hot and other cold...if so you have a air lock in the heater core...if this is the problem you need to lossen off the cold one till antifrezze comes

...hot and cold-restart and problem disappears for a while 2005 GMC pickup will begin to blow hot air on the drivers side and remain cold on the passenger side.  It does it sometimes at 60 mph and ...

...hot with no change in position of temperture control sliders. Passengers side air temp. cold. Should I be changing a drivers side temp control (door) Actuator first? Or is there another way to ...

...hot engine goes down even after your truck is turned off. So your fan may have been doing exactly what it was designed to do. However, if it ran for more than a half hour after turning off the truck, ...

...hot/cold motor is on the bottom of the heater case, closest to the floor.  The driver's side hot/cold motor can be seen through the glove box hole if you open the box and look through the ...