Having problems with your 1997 BMW 328 ?

98 328IS OVERHEATING AFTER CHANGING THERMOSTAT

\015 CAR WASNT FULLY WARMING UP...CHANGED THERMOSTAT...AND CAR OVERHEATS...PUT OLD THERMOSTAT BACK IN AND CAR OVERHEATS....WATER PUMP IS FAIRLY NEW...FAN CLUTCH OK...\015
Posted / edited by AnonymousUser on : 15-01-2018

Answers :

Are you putting the thermostat in correctly? It it will not work backwards.

And to confirm that there isn't a different problem, take the thermostat out all together and see if it overheats.

Engine not fully warming up is not usually caused by the thermostat. Stats usually fail closed, not open.

You will want to check the water temperature sending unit or gauge after verify the water temperature with an external calibrated thermometer. You can attach and insulate the external thermometer to the housing where thermostat is located.


Reply back what you figure out. I will be happy to help you further.
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