1999 Pontiac Grand Prix "heat" Questions

Still no heat.....changed thermostat flushed radiator Possible heater core problem. Did you check to make sure when you set the heat on that the car climate control move the heat door to allow the ...

heat not working on the drivers side the heater blows out cold air on the drivers side the passenger side heats good it has the dual sided heat The heater core may be plugged up so that no coolant ...

Have a heat problem...I had no heat ,so I flushed out my heater core as only one hose was hot.After I flushed it out I had heat.I then turned off my car.When I went out again I had no heat again.Both ...

when car slows down heat cools down heat not as good as it did before I have changed thermostat, had the water pump replaced (NEW NOT REMANED) temp is fine and it heats better when driving but when ...

why won't my car heat up in the winter? why won't my car heat up in the winter? Is the problem with the engine or the heater, or both ? If the engine is not heating up, it could be a ...

overheating at idle my car overheats at idle. the fans are working, i don't see any leaks. i have the heat on but it only is blowing ac. I added 50/50 dex cool last week. The simplest thing that it ...

heat fluctuation on temp gauge 1995 grand prix se temp gauge heats to red then drops to normal then heats up and drops again.changed thermostat and water pump.also,cooling fans never once came on.plus

I had no heat in my 1999 grand prix,so I flushed out my heater core.I got heat after that.I turned my car off.When I went to go out again I had no heat.Both hoses on my heater core are hot.Both hoses ...

i have a 2006 pontiac grand prix 3.8l my heat only blow cold aair I checked the thermostat and the heart inlet hose is hot but the outlet hose is luke war what could this be maybe clogged heater core.

why come I don't get heat low and med. I turn the heat on to 1-4 and I don't get nothing but when I put it on 5 I get the heat vehicle needs a blower motor resistor