Skip the auto shop - Our mechanics make house calls

Q: Heated core needs to be change

asked by on

When I turn on my car my windows getting foggy and some steam going inside from the stove.Also when I turn heater on,the hot air starts coming after almost 25 minutes.Another thing is on the passenger side on the floor it's wet and looks like it is antifreeze.

My car has 150000 miles.
My car has an automatic transmission.

If you suspect antifreeze in the cabin, a leaking heater core is a possibility. To find the leak, and get the required repair estimated, please request an engine cooling system leak diagnostic and the responding certified mechanic will get this resolved for you. The lack of adequate cabin heat could be due to the heater core being plugged but it could also be due to a faulty (stuck open) engine cooling thermostat. Those possibilities would be considered by the mechanic as he or she evaluates the possible leak from the heater core. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

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

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: Climate control module. Heater core

Faults in electronic or mechanical control components in the HVAC system have no effect on the heater core in the passenger cabin. The heater core itself is not a component that would looked at as a cause of engine overheating....

Q: I have a wobble on the pulley and an oil leak, is it going to need a main bearing?

Hi there. The two symptoms you're describing (the front oil leak and the crankshaft pulley wobble) are two of the best indicators that a professional mechanic should use to diagnose that the issue is the pulley or the seal behind...

Q: No injector pulse but does spark.

Hello There, You are correct in that if the crankshaft position sensor or the pickup coil were bad there would likely not be any spark to the plugs. In relation to your no injector pulse problem, check the wiring harness...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.