Thread: Which hose to drain coolant?

Yes, all but impossible to remove it all.

I drained, flushed, refilled and ran to temp,
Drained, flushed, refilled and ran to temp,
Drained, flushed, refilled and ran to temp,
Drained,
Added new coolant
Bleeding
Done.

By the time the 3rd drain had been done the fluid was clear, between those last 2 drains the system was run on demineralised water before the final drain and new coolant.

Originally Posted by ScottLS

What did I do wrong?

Didn't blow the heater core(s) and block out with compressed air. It's amazing how much extra you can get out that can't be removed by gravity.