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Service bulletin MAS002158

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 id10174312
Published by NHTSA2020-04-27
Manufacturer's numberMAS002158
Manufacturer's date2020-03-13
NHTSA componentEQUIPMENT; SERVICE BRAKES

NHTSA's summary

Technical Bulletin: Communication to Dealer Technicians regarding whistle noise, from braking system, while driving (Small System) at a constant speed without the application of the brake pedal.

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

Brakes, Equipment and accessories

Vehicles listed
MASERATI GHIBLI2019, 2020
MASERATI QUATTROPORTE2019, 2020

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
MAS003095 MTB 24-212024-05-28. Other. This Technical bulletin serves as a guide and provides additional diagnostic info for possible steering wheel vibration when braking. This Bulletin serves as an ADDENDUM to MAS002731
MAS0039292024-04-01. Service bulletin. Circular Letter.
MAS0039282024-04-01. Service bulletin. Circular Letter.
MAS0038952024-04-01. Service bulletin. Technical Information.
MAS0038912024-04-01. Service bulletin. Technical Information.
MAS0038442024-04-01. Service bulletin. Diagnostic Sheet.
MAS0038212024-04-01. Service bulletin. Technical Information.
MAS0037932024-04-01. Service bulletin. Circular Letter.
MAS0037922024-04-01. Service bulletin. Technical Information.
MAS0029292024-04-01. Service bulletin. Daignostic Sheet.