Originally Posted by Dackelone
Coolant is used to cool the HOT turbos when you turn off the engine. You will go thru coolant. We all have. Check your coolant when the engine is stone cold... you will see... your is probably low too.
Don't think you have it right on this one.
Yes, the turbos do, of course, heat up the coolant (as does the motor), but you shouldn't be losing any coolant unless you're boiling over or have a leak.