My car it's overheating when i open theradiator cap it's ...

Q: My car it's overheating when i open theradiator cap it's empty andReservoir overfilling heater blows cold air after awhilegetswarm

asked by on February 01, 2018

My car it's overheating when i open the radiator cap it's empty only air, i fill it but looks like the water goes to the reservoir then out the reservoir it's full it doesn't get empty , the heater blows cold air after a while gets warm , i replaced ths radiator cap and radiator, thermostat, heater core . There is no water in the oil , also no oli in the water, everything looks good .

My car has 175000 miles.
My car has a manual transmission.

If you do not have an external leak anywhere you can find and keep getting low on coolant then you have a blown head gasket and may need major engine repair for head gaskets and possible head damage. Have a coolant pressure test to find the leak and then a repair to fix the problem can be done.

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

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

Distributor

The distributor on the 1996 Accord has an integrated Cylinder Position (CYP) Sensor, Crankshaft Position Sensor (CKP) and Top Dead Center (TDC) Sensor. If you have replaced the distributor due to diagnostic trouble code P1382 setting, which involves faults with...

Car not starting smoothly.

Hello, it sounds like you have a leaking injector. When you hold down the gas pedal, it puts the computer into clear flood mode and does not inject fuel into the engine. Once you clear the fuel, it starts and...

Car will not crank

This may potentially be related to a faulty starter relay. This is a unit that directs power from the battery to the starter solenoid which then engages the starter when you turn the key. When this is not working properly,...

Related articles

The Best Used Cars to Buy If You're in a Wheelchair
Being Being in a wheelchair means you have a very specific list of demands, and requests for your vehicle. The main focus is of course how you will get in and out of the vehicle. There are some other aspects...
The Best Used Cars to Buy for Long Commutes
Most Most of us are faced with the prospect of commuting back and forth to work on a daily basis, but some have a much longer drive than others. When it comes time to buy a car, you need to...
The Best Used Cars to Buy If You're a Doctor Who Makes House Calls
If If you are a doctor who makes house calls, reliability is likely to be at the forefront of your mind when it comes to choosing a used car. You also expect a certain level of comfort. We have...