Will a bad thermostat cause a mazdA 626 to run hot?
Yes It Can.
The most common problems that would cause these symptoms are a bad thermostat or a bad water pump, to check you water pump allow your car come to operating temp with the radiator cap off and look inside to see if water is moving, if it is then your thermostat is probably bad, if it isn't then your pump is the problem
If a 1998 Mazda 626 will start and run for a little while but then overheat and die and you have changed the cooling fan and the transmission has been checked what else can it be?
Can a bad thermostat cause your battery to go dead and ac blow hot air And what other negative effects can a bad thermostat have on your vehicle?
I've actually heard a bad thermostat can cause the evaporator core to malfunction.I've also heard of some a/c compressors will shut off if the engine temp gets to high which could be a thermostat issue. No, the thermostat has no effect on the battery or on the A/C. A thermostat either works correctly or it will stick open or stick closed. Sticking open will cause the engine to never reach full operating temperature, and as…