Q: My car overheats and I have no heat - 2004 impala.

asked by on

My car overheats and I have no heat. I replaced the thermostat 4 times, new water pump, and upper and lower intake. Along with a new fan.

My car has 140000 miles.
My car has an automatic transmission.

Hi there. Check the radiator and see if its plugged up. A plugged radiator will stop the flow of the coolant to and from the engine and cause the engine to overheat. If the radiator is working fine by having the lower and upper radiator hoses about the same temperature when at operating temperature, then the head gasket may be burned causing the engine to overheat and divert the coolant around the heater core hoses. The heater core valve also could be stuck causing the heater to not operate properly. If you need further assistance with your engine overheating if the radiator was replaced and the head gasket is tested to be okay, then seek out a professional, such as one from Your Mechanic, to help you.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. My car overheats and I have no heat - 2004 impala.

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: How do you know if its really a timing chain gasket? And how long does it take to repair?

It is more likely that the water pump is leaking from its front seal. The leak will show up from the center of the motor area and will drip off the bottom of the timing cover. The timing cover on...

Q: Q: Car overheats

Overheating can be caused by something as simple as low coolant level, or something as major as a blown head gasket, or a crack in the cylinder head or block. The cooling system should never be checked if the engine...

Q: When started all light come on but wen started it sputters then quits

Hi there: Typically, a vehicle will start and then quit because of an issue with the fuel or electrical system. It is important to monitor fuel levels as well as warning lights which can signal to the driver that a...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
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.