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Service bulletin M310115

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 id10159155
Published by NHTSA2019-04-22
Manufacturer's numberM310115
Manufacturer's date2019-03-01
NHTSA componentSUSPENSION

NHTSA's summary

GROANING/SQUEAKING NOISE FROM THE FRONT OF THE VEHICLE. A groaning and/or squeaking noise from the front axle occurs when turning at low speeds or idle. Plastic and elastic deformation of lower ball bearing shell in spring strut support bearing.

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
MINI CLUBMAN2017
MINI COOPER2014 to 2015
MINI COOPER2017 to 2019
MINI COOPER CONVERTIBLE2016
MINI COOPER S2014 to 2017
MINI COOPER S2019
MINI JOHN COOPER WORKS2015 to 2018

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
M2201172021-08-23. Service bulletin. Creaking Noise When Cornering: A creaking noise is heard from the front end of the vehicle while cornering (predominantly left turns)
M6102202020-04-27. Service bulletin. CHECK CONTROL MESSAGES FOR BRAKE SUSPENSION AND AIR BAG SYSTEM MALFUNCTION: Multiple check control messages (CCM) can display for brake suspension and air bag system malfunction. The customer may also complain about any of the following: Engine can no longer be switched off Drive position (D) cannot be engaged on the gear selector switch (GWS) Reduction of steering assist After an engine emergency shut-off (either a prolonged long press; or 3 consecutive short presses of the Start/Stop button) and the vehicle going to sleep (identifiable by the lighting of the "Start/Stop button") everything resumes normal functionality and the CCM messages no longer appear. When performing a vehicle test the following diagnostic fault codes are stored in the BDC: CD0420 - "error of Flexray controller on Flexray bus" D91FF9 - "Flexray message data drivetrain 2 (DT_PT_2): Timeout" This message may be read out in the ZGM control unit or Body Domain Controller CAUSE Software in the Body Domain Control unit (BDC).
M3101152019-02-25. Service bulletin. GROANING/SQUEAKING NOISE FROM THE FRONT OF THE VEHICLE. A groaning and/or squeaking noise from the front axle occurs when turning at low speeds or idle.
M3301152018-11-13. Service bulletin. Noises from the Rear Axle Shock Absorber. The customer complains about a hammering noise from the rear axle area, when driving on rough road surfaces with low ambient temperatures. This noise will disappear with warmer ambient temperature. CAUSE Rear axle shock absorbers
M3101152018-11-13. Service bulletin. Front Axle Noise when Turning at Low Ambient Temperatures. A groaning and/or squeaking noise from the front axle occurs when turning at low speeds or idle. The noise is most noticeable at low temperatures (approx. 32 degrees F), but not at higher temperatures and after driving.
M3101152018-11-13. Service bulletin. Front Axle Technical Service. Front Axle Noise when Turning at Low Ambient Temperatures.
M3101152018-11-13. Service bulletin. A groaning and/or squeaking noise from the front axle occurs when turning at low speeds or idle.
M3301152018-11-05. Service bulletin. Noises from the Rear Axle Shock Absorber. The customer complains about a hammering noise from the rear axle area, when driving on rough road surfaces with low ambient temperatures. This noise will disappear with warmer ambient temperature. CAUSE Rear axle shock absorbers
M3102152018-11-05. Service bulletin. In isolated cases, during the vehicles assembly, it is possible that one of the front spring struts was not correctly positioned in the swivel bearing.
M3103152018-11-05. Service bulletin. CRACKING NOISE IN THE AREA OF THE FRONT AXLE SUPPORT/WISHBONE This Service Information bulletin supersedes SI 31 03 15 dated February 2016. Cracking noise coming from the area of the front axle when driving over rough road surfaces, railroad crossings and speed bumps. CAUSE Wishbone rubber mount.