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Service bulletins for the 2010 Audi S5

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

637 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Axle are shown. Show all

Bulletins, newest first
A421214 2026049-2017-11-08. Service bulletin. POWER TRAIN; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. 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.
A421524 2026049-2017-10-27. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. 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.
TSB-42-12-112012-09-06. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. AUDI: CONSTANT VELOCITY OF JOINT GREASE AT REAR DIFFERENTIAL, CAUSES AN OIL LEAKAGE IN AREA OF QUATTRO SPORTS REAR DIFFERENTIAL SIDE FLANGE, OR AXLE SHAFT INBOARD FLANGE, DUE TO INSUFFICIENT SEALANT ON PROTECTIVE CAP. *PE
TSB-42-11-092011-12-07. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. AUDI: VEHICLES WITH QUATTRO SPORTS REAR DIFFERENTIAL LEAKS AT THE REAR AXLE SHAFT SIDE FLANGE OR INBOARD FLANGE. MODELS S4, S5. *PE
TSB-42-11-082011-12-07. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. AUDI: CERTAIN VEHICLES WITH AXLE SHAFT INBOARD FLANGE OR SPORT DIFFERENTIAL SIDE FLANGE WILL EXPERIENCE AN OIL LEAK IN THOSE AREA. MODELS S4, S5, S5 CABRIOLET. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.