1998 Pontiac Bonneville "hot cold door" Questions

...hot or cold air, the next thing is maybe compressor connection is loose or the system is low on gas. start the car and see if the compressor clutch kicks in then if it does try turning the temp ...

heat not getting hot feel heater hose under hood, both hoses need to be hot , if one is hot and the other one cold or warm, heater is clug. If hoses are hot then the temp. door does not function

heater core. If heater hoses are hot, and you still have cold air, the temperature blend door on the heater case may not be operating. Try a new thermostat and see if engine warms up faster and better

...hot and cold at the same time Temperature doesn't seems to stay where you want it. It will drift warmer or colder. Also it sometimes blows hot and cold at the same time. In 2 different locations. ...

...hot air in my 1995 pontiac bonneville. it will only blow cool air heater is blowing out cold air. Just replaced antifreeze and also the thermostat. we blew out the heater core with air as well If the ...

hot air, just cold On vacuum operated systems: The dial temp switch or vacuum motor is defective. You may have a vacuum leak or loose vacuum hose connection. On electrically operated systems: The dial

...to see the air box. there will be a rod somewhere on the box that you can try to move manually. If one hose is hot and the other is cold then your heater core is clogged and will need to be

...hot air driver side and cold on passenger side I never heard about a need to "reset" or replace a blend door. If a/c, you probably need some Freon recharge. My 2005 Bonneville had this problem with ...

hot air for about one minuet then goes right back to ice cold air but if i shut it off and start it again it blows hot ne one can help it would b great heater core may be going bad...things to check..

...Cold weather sappos energy for car batteries. A weak battery has less energy available. Here in Minnesota there is always a run on the car aprts stores after the first frost int he fall. That's when ...