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Old 01-10-2013, 08:46 AM
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doru doru is offline
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Location: Calgary
Join Date: Sep 2007
Posts: 4,702
Mein Auto: 2003 530iA
Originally Posted by LuisMediano View Post
Well I haven't used the ac in a while but it was working good, the heater tho its not working like it used to, the air doesn't come as hot as it used to.?

If the FSU is toast, it doesn't matter if you use or not A/C or heat. The darn thing will make an electrical contact that is NOT planned by you when you're NOT in the car, ie. overnight.
Air not coming hot as it used to points to either a heater valve that starts failing, but more commonly air bubble in the cooling system - which would worry me the most, because one way of ending up with an air bubble, is by loosing some coolant, hence a leak, hence sh*t to happen.
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