The crankcase breather is only connected to the bank 2 turbocharger inlet
Audi technical service bulletin 141920349992 for 2013-2015 Audi A8, 2013-2015 Audi S6 and 2013-2015 Audi S7 and others.
- Bulletin number
- 141920349992
- Component
- Engine and engine cooling: engine: gasoline: turbo/supercharger
- Summary
- The crankcase breather is only connected to the bank 2 turbocharger inlet. Blow-by gases from the crankcase breather discolor the pipe (Figure 1). This is a normal condition.
Owners of these vehicles have filed 169 complaints in the engine category.
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