Quote:
Originally Posted by Baltothewolf
Can I open the bleeder valve when the engine is hot? Does anyone know? I would like to bleed the system again when I get home.
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Hot is when you want to open the bleeder. The pressure in the system helps with bleeding. Only bleed cold when you have replaced a component that required draining the coolant.
Don't expect your buddy who is installing the radiator to drive the car for a week and thoroughly bleed it daily. Every time the system is opened up the bleeding process starts again from scratch.
regards
mech