Blow off valve
#3
Its called intake blow by..it's gassy smelly light brown stuff. It comes from the PCV system recirculating exhaust fumes per emissions requirements. A good oil catch can system will help and also protect your intake valves. I usually drain about 5 oz. every few months.
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bballfreak
A6 / S6 (C6 Platform) Discussion
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04-14-2019 06:59 PM