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Its still a new car, heater core isn't necessarily blown. The main cause for no hot air would be dead coolant, do a rad flush and change your antifreeze.
It could also be the little metal lever under the dashboard on the passenger's side of the car. It it towards the left hand side, close to the center console, under the edge of the dashboard plastic. This is the lever that connects the knob on your dash to the mechanism that switches it to hot & cold. If this little lever gets kicked or hit with a bag thrown down there it is easily broken because it is exposed, the dashboard plastic doesn't cover it from below. You can feel around and move the circular disk below the dash that the lever was attached to and change it back and forth manually- to the left is cold, to the right is hot. I usually do it at a red light or something if I'm driving.
What else can I help you with?
2002 Pontiac Grand Am blows out only cold air what could be wrong?
vacuum line from intake manifold to control unit in dash broken or disconnected
When idling a 2002 freightliner the temp drops and the heater blows cold air what is wrong?
You probably have a bad thermostat.
How do you change power steering belt on 2002 Kia Spectra?
How do you change power steering belt on 2002 kia spectra
What kind of rear brakes does a 2002 Kia Spectra have?
Mostly Kia spectra 2002 has a drum brakes in rear and Disc brakes in front.
Will a 2002 Kia spectra engine fit a 2002 Kia sephia?
Yes. I just installed an '02 Spectra motor in my '00 Sephia.
Where is the EGR valve in a 2003 Kia Spectra?
location of egr valve on 2002 kia spectra
Where is radiator drain plug 2002 Kia Spectra?
where is the radiator drain plug on a kia spectra
Will a 2002 Kia spectra engine interchange with a 2004 Kia Rio engine?
2002 Spectra is a Siemens 1.8 liter, 2004 is a Bosch 1.6 liter...totally different.
Where is the fuel located on 2002 Kia Spectra?
in the gas tank
What could cause the entire dashboard lighting panel to not come on in a 2002 KIA Spectra?
There is a switch for it on the left hand side of the stearing wheel. You can try that.
How can you open your 2002 Kia Spectra hood if the cable release is broken?
If the cable release is broken for the hood on a 2002 Kia Spectra, a person could crawl under the car and see if they can locate the broken part of the cable. If it is still attached to the hood, they could pull it to trip the hood latch. Otherwise, the car will have to be put on a hoist, and a long pole used to trip the hood latch.
Your 2002 Pontiac Grand AM ONLY blows air when it is on the highest setting what could be the cause of this?
Typically a relay or resistor. But could be a blower switch or blower motor problem.
