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In Reply to: how do u bleed cooling system posted by lg on February 13, 2000 at 20:42:28:
: how do u bleed the cooling system and how long does it take? please help despirate before i take to bmw.
: thanks
: larry
Larry, There is a 10mm hex bolt on top of the thermostat housing, right behind the fan blade. You can bleed the system by ensuring that the coolent level is proper, turning on the heater in the vehicle, reving to 1500 or so rpm's, loosening the bolt slighty (don't remove!!) and observe when coolent begins to trickle from the bolt area. What until this coolent has no air bubbles then tighten the bolt. Pretty straight forward procedure. Hope this helps!
Scott