A8 Quattro Sedan V8-4.2L (BGK) (2006)
Carrier Bearings: Customer Interest
Drivetrain - Rear Axle Whining Noises
39 Whining noises from rear axle (01R)
39 11 07
2017932/3
February 9, 2011.
Supersedes Technical Service Bulletin Group 39 number 08 - 05 dated December 12, 2008 for reasons listed below.
AFFECTED VEHICLES
CONDITION
^ Whining noises in deceleration from freeway speeds.
^ Vehicle is an A6 or A8 Quattro model with 01R rear final drive.
TECHNICAL BACKGROUND
Wear of bearing and bearing carrier in the rear differential housing.
PRODUCTION SOLUTION
Change to new final drive OAR, gradual introduction during MY 06-07 for individual engine-gearbox variants.
^ The 01R final drive has a black housing.
^ The OAR is unpainted (silver).
SERVICE
1. Try to reproduce the customer complaint so that it can be clearly assigned to this TSB. The following repair must only be carried out if all the criteria
(model/type, chassis number, engine/gearbox code) match exactly. Otherwise this solution will not work and a repeat repair may be necessary. In such a
case, a Warranty claim may be denied.