2005 Pontiac Grand Prix "heat blowing warm" Questions

...heat blowing out whatsoever in the winter time. Could you please give me your opinion on whether or not it is the climate control unit or something else? I have a 2000 pontiac grand prix with a ...

...of the firewall). They both should be pretty hot to the touch. You'll likely find one hot and one warm. If this is the case flushing the heater core will likely get your heat blowing out hot

...blowing but no heat coming out.. The lights are on on the temperature control for the heat/ac. But the there is no warm air blowing out of the heater. Any suggestions. I have see a few post that it ...

...hoses at a convenient location and back flush the heater core. Reconnect the lines and warm the engine back up with the heat on. you probably have a stuck gate in your heating vent system

...times it just blows out cold air. When I turn it off after blowing cold air,...it might go back to hot. Or it might start out blowing warm air and then go cold. ...

warm heat changed thermostat got the air out at the bleeder plug on housing helped very little have to keep rpm at 2or higher to keep warm any other suggestions Try to flush your heater core. It might

...heat blows cold on driver side and warm on passenger side whay? You may have a flapper door actuator bad, such that it never opens to heat position for one side. Check to make sure you are not in ...

...heat except going down the road otherwise when its sitting to warm up its blowing cold air The thermostat needs to be replaced. When this happens, the thermostat is stuck in the open position and is ...

...HEAT WILL START BLOWING COLD AIR AND THE TEMP GAUGE WILL GO TO THE RED AND FAN WILL KICK ON AND COOL IT BACK DOWN THEN IT WILL START BLOWING WARM AIR AGAIN. Sounds like you need a new thermostat, and ...

heat blows hot for awhile once the engine warms up then will start blowing cool air then it may start blowing warm again. It doesn't matter if I have the temp set at 70 or 80 and it's only 40 or 50 in