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Audi TSB #A421524 2026049-
2010 Audi S4
TSB Document:
Affected Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
- Summary
- Supersedes Technical Service Bulletin Group 42 number 13-17 dated March 18, 2013. Oil is leaking 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 vehicles with a sports differential.
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