Question about 1997 BMW 328
OK HERE IS THE SCOOP..my heater fan stopped working and the car ran very porrly all of a sudden when cold in the monring ...then it overheated ...i had replaced the thermostat (bmw part) 6 months ago anyway took the thermostat out completely and even in the sub 32degrees weather 24/7 here the last 2 weeks the car still will over heat if sitting still but wont if cruisning over 40mph. in sub freezing weather is the thermostat that important?? also stupidly never considered the water pump as the problem ... the radiator builds up pressure when hot alright (look like old glory steaming thru the overflow area) i plan on putting the thermostat back in it today ...how do i tell if waterpump is problem?? makes no noise that i can hear ...also what about the heater fan ?? unrealted ?? resistor? help!!
You can check if the water pump is working by feeling the top rad hose , if it is hot it should circulate into the rad and the rad should be hot at the top and cool at the bottom if the pump is faulty there will be no circulation of hot coolant into the rad. I suspect your head gasket might be blown if you are getting pressure built up in the rad. in that case you will need a new gasket and have your head skimmed
Posted on Dec 23, 2008
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Posted on Jan 02, 2017
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