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Audi TSB #A421214 2026049-
2011 Audi S4
TSB Document:
Affected Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
- Summary
- Supersedes Technical Service Bulletin Group 42 number 12 ? 13 dated September 5, 2012. Oil leak in the area of the Quattro sports rear differential (PR-PDU, PDR, or GH2) side flange, or axle shaft inboard flange. Insufficient sealant on the protective cap on the inboard constant velocity joint at the rear differential on vehicle with a sports differential. Optimized use of sealer in production from 07/10/2011.
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