Quote:
Originally Posted by David.m
Thought I read somewhere that you can drain coolant at the aux side radiator, easier to access and capture the fluid?
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Maybe, but that's alot of work to pull the fender liner and disconnect that hose. But even then it wouldn't empty the whole loop.
Just make sure you guys really top off that expansion tank to the absolute top (so you have physics on your side to help push out all the air) and then run the bleed cycle a crap ton to really purge any air. Use a battery charger if you have one. My CTEK MUS7002 on supply mode is able to generate like 7 amps (helps a bit but IIRC the car can pull 20-40 amps just sitting with the head lights on in accessory mode), and I turned off the idrive display to help out. I was able to bleed it like 16-20 times before I felt satisfied (fluid levels stopped dropping like after 2-3 bleeds iirc) and there was zero voltage issues.