Quote:
Originally Posted by ard
I do wonder if maybe the system is designed to allow coolant to operate independently of the engine running...in case the engine is very hot, a thermal sensor can allow the pump to run
AND
if there is a bad sensor, or some other issue, the system 'thinks' the engine is super hot all the time?
Just a wag.
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Theres a process when replacing coolant to run the waterpump and get the air out if you put car into ignition and hold down gas pedal for like 5 seconds it will start the process. Dont know if its happening in this case when car shutting down.