dimanche 22 juin 2014

ambient temp always -40 n overheating.

Hello just recently bought a 1999 328i 5 speed n im having issues.

Main things is my engine start to overheat as soon as I started to run my ac full blast will trying to add refrigerant. Another thing I notice is ambient temp gauge always reads negative 40? Idk if this affects my ac from blowing cold? Thermostat has recently in the last week has been replaced, and I was thinking I could be a sensor not allowing it to open?

1. Will ambient temp sensor effect thermostat from opening? Reason I say this is cause my lower radiator hoes is cold n upper is boiling hot.(which sensors tell thermostat to open?)

2. Will ambient temp sensor effect ac from blowing cold?



So far this is what is causing me the most trouble.

Thanks for reading. And anything will help :)




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