Audi A6 C7 Timing Chain Tensioner Failure — 2.0 TFSI
Audi
A6
2011
2.0 TFSI CDNB/CDNC
⚡ Quick Summary
Severity Level
High
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Can become a safety issue if left unresolved
Urgency Level
🟠 Fix Soon
Early 2.0 TFSI engines in C7 A6 (CDNB/CDNC codes) have a timing chain tensioner that fails to maintain chain tension on cold start. A rattle on cold start that disappears after 10-15 seconds is the key symptom. Fault codes P0016/P0017. Complete chain kit replacement costs £600-1,200.
Onarım / Çözüm
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⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Audi A6 2011 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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