# Service bulletin A421420 2036991\-

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.

- Type: Service bulletin
- NHTSA id: 10122337
- Published by NHTSA: 2017\-11\-08
- Manufacturer's number: A421420 2036991\-
- Manufacturer's date: 2014\-04\-10
- NHTSA component: SUSPENSION

## NHTSA's summary

Customer hears squeaking, clunking, or rattling noises from the rear of the vehicle when it is driven over bumps. This condition may also be identified at PDI. The rear buffer stop may be out of place or require lubrication. In an effort to gain information regarding this condition, we request that you contact the Technical Assistance Center \(TAC\) before performing any repairs.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10122337-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10122337-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension

## Vehicles listed

- 2014 AUDI A4 ALLROAD
- 2014 AUDI A5
- 2014 AUDI A5 CABRIOLET

## Other bulletins for the same vehicles and component

- [TSB\_2023187\_8](/bulletins/11030983.md), 2026-04-07, Service bulletin: SUSPENSION. This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.
- [A3725312074822\_2](/bulletins/11013709.md), 2025-02-05, Service bulletin: SUSPENSION. This bulletin provides information when noises from wheel input shaft/drive shaft are reported.
- [44134220225637](/bulletins/10251023.md), 2024-03-04, Service bulletin: SUSPENSION. Steering wheel shimmy, vibration and/or oscillation
- [44133920302756](/bulletins/10251020.md), 2024-03-04, Service bulletin: SUSPENSION. Alignment \- Repair Authorization
- [40133720358541](/bulletins/10251002.md), 2024-03-04, Service bulletin: SUSPENSION. Rattling/knocking noise from front end over bumps
- [42142020369911](/bulletins/10250973.md), 2024-03-04, Service bulletin: SUSPENSION. Noise from rear suspension \- Repair Authorization
- [40144220358543](/bulletins/10250960.md), 2024-03-04, Service bulletin: SUSPENSION. Rattling or knocking noise from front end when driving over bumps
- [40144120181946](/bulletins/10250959.md), 2024-03-04, Service bulletin: SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. Shock absorber leaks: assessment aid
- [40144320358544](/bulletins/10250947.md), 2024-03-04, Service bulletin: SUSPENSION. Rattling or knocking noise from front end when driving over bumps
- [42142220386891](/bulletins/10250945.md), 2024-03-04, Service bulletin: SUSPENSION. Rattle noise from rear suspension

JSON: [/v1/bulletins/10122337](/v1/bulletins/10122337)

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