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Service bulletin MAS003141

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 id10216571
Published by NHTSA2022-08-01
Manufacturer's numberMAS003141
Manufacturer's date2022-06-21
NHTSA componentENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE

NHTSA's summary

Service Campaign 514 - To inspect a possible engine coolant leakage under the vehicle body.

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

Engine, Fuel system

Vehicles listed
MASERATI MC202022

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

Recalls for the same vehicles and component
21V8720002021-11-10. FUEL SYSTEM, GASOLINE:DELIVERY:PRESSURE SENSOR; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

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
MAS005186 MCL 26-162026-08-03. Other. We are informing you that tool p/n 900100024 has been updated with an additional component designed to improve the oil seal installation process on V6 Nettuno engines. This added component helps ensure consistent, accurate positioning of the oil seal in its seat by compensating for dimensional gaps and seal tolerances. It also improves process reliability by helping maintain proper installation conditions, even when tool usage is not optimal.
MAS005111_A MTB 26-062026-05-22. Other. Maserati Coolant Fluid Color Change. The previous pink coolant and the new purple coolant are fully compatible and may be mixed without affecting coolant quality, performance, or system behavior.
MAS005111 MTB 26-052026-04-30. Other. Maserati Coolant fluid Color Change from pink to purple.
MAS004816_A MTB 26-042026-04-17. Other. This bulletin outlines the refinishing procedure for restoring the black coating on exhaust tips affected by peeling or flaking paint. This validated process is intended to avoid unnecessary replacement of the entire exhaust silencer assembly
MAS004995 MTB 25-472025-12-24. Other. This bulletin provides updated information regarding the serviceability of the in-tank fuel pumps for MC20, GranTurismo, and GranCabrio.
MAS004912 DS 25-332025-10-31. Other. This bulletin provides updated diagnostic and repair instructions for identifying and addressing corrosion-related concerns in the low-pressure fuel pump on all Maserati models equipped with internal combustion engines (ICE).
MAS004864 MTB 25-332025-10-02. Other. This bulletin introduces the serviceability of the oil pump bearing on the V6 Nettuno engine. The bearing can now be replaced individually, eliminating the need for complete engine or long block replacement when noise is traced to this component. Models Involved: • Grecale V6 (All MY) • GranTurismo V6 / GranCabrio V6 (All MY) • MC20 / MC20 Cielo / MC20 Pura (All MY)
MAS004816 MTB 25-302025-08-01. Service bulletin. This bulletin outlines the refinishing procedure for restoring the black coating on exhaust tips affected by peeling or flaking paint. This validated process is intended to avoid unnecessary. replacement of the entire exhaust silencer assembly. Affected Models (All Model Years) - Quattroporte, Ghibli, and Levante – V8 engines only - MC20 Coupé/Cielo (M240) – with black exhaust finish - Grecale (M182) – with black exhaust finish
MAS004789 DS 25-192025-07-18. Other. This diagnostic sheet is intended to assist technicians in identifying and differentiating engine oil leaks and sweating.
MAS004438_A MTB 25-162025-06-17. Service bulletin. This Technical bulletin serves as a diagnostic guide for managing oil leaks and instructing related repairs. This Bulletin requires a BOL to be opened as “Support Request”