A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

How much coolant is needed for a coolant flush??

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Old Apr 30, 2003 | 06:57 AM
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Crisqo09 T.O.'s Avatar
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How much coolant is needed for a coolant flush??
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Old Apr 30, 2003 | 07:19 AM
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Default Mix is 50/50 coolant and H2O. IIRC The capacity of the coolant system is ~6qts so 1 gallon of

G12 coolant will suffice (and leave you a qt or so)
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Old Apr 30, 2003 | 07:26 AM
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Default Just in case that's what you meant: you don't flush it with coolant...

You flush it with plain old water until only clear water comes out. And make sure the heater is turned on.
After refilling with the proper coolant/water mix, don't forget to bleed the air out of the cooling system.
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