Q7 2014 Q7 tdi

johnxmag

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Jul 2, 2021
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Mahopac ny
my blue additive tank will only take 1 gallon. has anyone run into this problem?
 
It should take 24l (or 6.3 gallons) - IIRC there is a special procedure for filling up (although I could be getting mixed with VW as I used to sell VW) - I'll see if I can find it