Skip the auto shop - Our mechanics make house calls

Q: Car overheating. Heating blowing cold air.

asked by on

Do I change my thermostat if my car is overheating? Also the heating system is blowing out cold air. I opened the cap and I checked the radiator hose and there was no coolant in the hose but Was full in the coolant reservoir.

My car has 139000 miles.
My car has an automatic transmission.

A: Hello, thanks for writing in about your 200...

Hello, thanks for writing in about your 2003 Dodge. This is a good question. From what you’ve described, your car either has a clogged heater core or is low on coolant. I have had this issue before and once I filled my radiator it blew warm again. If you need assistance with getting this fixed, consider YourMechanic, as one of our mobile technicians can come to your home to diagnose your overheating issue and help you make the necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: No crank, no start. Some electrics work (headlights, day time running lamps) no windows or radio.

From what you've described, you may have a shorted vehicle harness in one of two places. First, check near the battery brackets for the main computer harness chafing on the bracket. Afterwards, check the other the wire harness located under...

Q: What else can leak coolant? The leak is away from the radiator as well.

A coolant leak can come from leaking hoses, a bad head gasket, an intake gasket, or a number of possible locations. This means that a mechanic would need to identify specifically where the leak is coming from first before making...

Q: my car says it's over heating

To properly bleed out the air you should open the heater bleed hose near the brake master cylinder: Open the center engine fill cap with an allen wrench. Pour coolant; fill until the coolant levels out in...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...