Questions & Answers for: pontiac montana heater blows cold

Pontiac Montana blows cold air in defrost My 2004 Pontiac Montana blows cold air through the defrost and hot air to the floor vents. I installed a 205 thermostat. Engine temperature is good. I removed

...Pontiac Montana SV6 heater blows cold when slowing to idle Our Montana Van warms up fine and blows hot air when travelling on the road. When the car slows to an idle the fan blows cold air. The ...

...pontiac montana '99 The back fan but no blowing warm air just cold air Warm up vehicle, then access heater pipes that run to rear of vehicle. they should be HOT. if not you have a circulation issue. ...

...pontiac Montana. The heat in the I have a 2005 pontiac Montana. The heat in the fron does not work, blowing cold air. The heat works in the back just fine. ????? There is a flap in the venting itself ...

...pontiac montana has a heater problem.after engine is warm the heater blows warm air for a few minutes and then blows cold for a few minutes and then warm again. sometimes it blows warm for a few ...

2000 montana, No heat all of a sudden. Motor comes up to temp blows cold. What could it be? it sounds like the heater core is stopped up and the hot air can not blow thru

...Pontiac montana 99 blows cold air,no hot and smell antifrize we change water pum,heater core,flush likely leaky heater core. May try pellets that GM offers to seal small leaks. Contact dealer or good ...

...Pontiac Montana heat gets hot in front, blows but seems weak, and no heat on rear controls but blows ******* rear. what is going on? Rear climate controls quit working as well as the DVD player, all ...

2006 pontiac montana heater blows cold air what can cause this? I flushed the radiator and the heater core. Did it blow heat before?

...pontiac montana blows cold air but does not heat up Check your flapper doors and blower/ducts for clogs or problems. Also the cooling system thermostat could be stuck open. Auto heaters have a tiny ...