WenmarOpen by Wenmar Pro

Service bulletin A421737 2038689-

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 id10128295
Published by NHTSA2018-02-05
Manufacturer's numberA421737 2038689-
Manufacturer's date2017-04-18
NHTSA componentSUSPENSION; SUSPENSION:REAR

NHTSA's summary

This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle id driven over bumps.

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

Vehicles listed
AUDI A4 ALLROAD2014, 2015, 2016
AUDI A52014, 2015, 2016, 2017, 2018
AUDI A5 CABRIOLET2014 to 2018
AUDI A62014, 2015, 2016
AUDI A72014, 2015, 2016

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

Recalls for the same vehicles and component
18V8930002018-12-17. SUSPENSION:FRONT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_2023187_82026-04-07. Service bulletin. This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.
TSB_2062633_62026-03-03. Service bulletin. Thisbulleitn provides informaiotn when there are cracking/craking noises during load changes, or sever vehicle body torsion.
TSB_2059665_72025-11-08. Service bulletin. This bulletin provides information parameter settings for suspension control unit J775.
TSB_2076605_22025-10-03. Service bulletin. This TSB provides informaiton pertaining to noises from the guide link bush.
TSB_2076604_22025-10-03. Service bulletin. This bulletin provides information on locating noises coming from the suspension.
TSB_2060855_42025-10-03. Service bulletin. This bulletin provides information when there are rumbling noises from the suspension - upper link rubber mounting.
TSB_2060855_32025-07-08. Service bulletin. This bulletin provides information when there are rumbling noises from the suspension - upper link rubber mounting.
TSB_2018194_122025-04-04. Service bulletin. This bulletin serves as an assessment aid for shock absorber leaks.
A4025932076605_12025-02-05. Service bulletin. This TSB provides informaiton pertaining to noises from the guide link bush.
A4025922076604_12025-02-05. Service bulletin. This TSB provides informaiton about locating noises coming from suspension.