Skip the auto shop - Our mechanics make house calls

Q: the fan runs on for 1 or 2 minutes after engine cut off, a little water comes out the overflow tank, sometimes

asked by on

I got new waterpump , new electric waterpump ,new thermostat ,new spider hose ,new reservoir , new intake manifold gasket ,new water tower to upper radiator hose, radiator is four years old, never leaked anti-freeze...........I can't find any leaks...........I drive the car about five miles and the light comes on saying I need water, it's low....now I tested the reservoir with the block test and the water stayed blue throughout the test, did not turn yellow or green, I don't no if the fan relay should be a concern I have not changed it.....hope you can tell me something good...THANK YOU FRANK P

My car has 170000 miles.
My car has an automatic transmission.

A: This sounds like one of the few possibiliti...

This sounds like one of the few possibilities left would be the coolant fan switch. This is a relatively easy and inexpensive fix. You may want to test the power to this switch. When these switches become faulty they tend to work intermittently, constantly or sometimes not at all.

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・Save up to 30%

Get a quote

What others are asking

Q: 1997 Chevrolet Metro won't start won't turn over

Hello. It sounds like the timing belt is not in time and if the timing is off, the engine will not start. When replacing the water pump, the timing belt must be removed and this could affect the timing of...

Q: Error message on my dash

The aftermarket catalytic converters may not be working as well as the factory ones. A scan of the vehicle's computer will allow a technician to look at live data from the oxygen sensors to determine if the sensors are faulty...

Q: My 98 Jaguar xj8l won't start, clicking noise

This could be caused by a few things on your 1998 Jaguar XJ8. A low battery charge can cause this. If the battery is good, then listen for where the noise is coming from. If you get a click...

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...
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 P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.