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Service bulletin A401877 2026402_

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10133301
Published by NHTSA2018-04-16
Manufacturer's numberA401877 2026402_
Manufacturer's date2018-02-12
NHTSA componentPOWER TRAIN; SUSPENSION; WHEELS

NHTSA's summary

This informational bulletin contains repair instructions for when the control arm or wheel bearing housing is replaced, there are additional parts that must also be replaced.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension, Transmission and driveline, Wheels

Vehicles listed
AUDI R82008, 2009, 2010
AUDI R8 SPYDER2011

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TSB_2056386_112025-11-08. Service bulletin. This bulletin provides information about the steering wheel alignment.
A3725312074822_22025-02-05. Service bulletin. This bulletin provides information when noises from wheel input shaft/drive shaft are reported.
A4424092056386_102025-01-07. Service bulletin. This bulletin provides information regarding wheel alignment.
A4424062074846_12024-09-06. Service bulletin. This bulletin provides information vibrations and rotational steering wheel vibrations.
A3724222074826_12024-09-06. Service bulletin. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A4424062074846_12024-09-06. Service bulletin. This bulletin provides information vibrations and rotational steering wheel vibrations.
A3724222074826_12024-09-06. Service bulletin. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A2424612074810_12024-08-06. Service bulletin. This bulletin provides information when there is a fault shown; Engine: start/stop system, and the start system is not working; mileage below 50 km/32 miles.
441346201033452024-03-04. Service bulletin. Tightening wheel bolts
441342202256372024-03-04. Service bulletin. Steering wheel shimmy, vibration and/or oscillation