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Unhook the outlet hose, kick the pump on and let the system drain...
Could always climb under the passenger side and loosen the valve on the coolant tank, based off pressure it will drain the system too
The dealer will have to vacuum bleed the system. Unless you have a problem or unusually large bubble in lower tank there's likely no need to vacuum bleed the heat ex system.
From: Syracuse-Central Square New York Winer of the all Corvette race WGI 8/23!
While on the subject your all talking about this. I was curious if this air pocket is similar to others? I do believe if this res. has to much of an air pocket it can cause to high of SC temps and limp mode on the track. BTW, we have never had an overheat issue on the track, M7.
I agree with Bish this system should be filled under pressure only. Just bleeding does little, need to add fluid at the same time.
While on the subject your all talking about this. I was curious if this air pocket is similar to others? I do believe if this res. has to much of an air pocket it can cause to high of SC temps and limp mode on the track. BTW, we have never had an overheat issue on the track, M7.
I agree with Bish this system should be filled under pressure only. Just bleeding does little, need to add fluid at the same time.
Mine looks just like the picture.
Good sized air bubble. Overheats on track consistently above 70degrees ambient but the bubble is probably not the cause. Its an A8. Yes, it does need to be pressure filled to get rid of bubble.
