There may be slow coolant loss from the connections of the coolant feed pipe and coolant return pipe
Audi technical service bulletin 144720361671 for 2013 Audi A8, 2013 Audi S6 and 2013 Audi S7 and others.
- Bulletin number
- 144720361671
- Component
- Engine and engine cooling
- Summary
- There may be slow coolant loss from the connections of the coolant feed pipe and coolant return pipe. High temperatures cause the coolant to become encrusted on the connection flange of the turbocharger (Figure 1).
Owners of these vehicles have filed 96 complaints in the engine category.
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