Other MAS004438 MTB 25-03
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 | Other |
|---|---|
| NHTSA id | 11013422 |
| Published by NHTSA | 2025-02-03 |
| Manufacturer's number | MAS004438 MTB 25-03 |
| Manufacturer's date | 2025-01-28 |
| NHTSA component | ENGINE; UNKNOWN OR OTHER |
NHTSA's summary
This Technical information bulletin serves as a diagnostic guide for managing engine oil leaks and instructing related repairs.
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
| MASERATI COUPE | 2002, 2003, 2004 |
|---|---|
| MASERATI COUPE | 2005 |
| MASERATI COUPE | 2006 |
| MASERATI FOLGORE | 2024 |
| MASERATI GHIBLI | 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| MASERATI GRANCABRIO | 2024, 2025 |
| MASERATI GRANCABRIO FOLGORE | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| MASERATI GRANSPORT | 2005 to 2006 |
| MASERATI GRANTURISMO | 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| MASERATI GRANTURISMO FOLGORE | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| MASERATI GRECALE | 2022 |
| MASERATI GRECALE | 2023, 2024 |
| MASERATI GRECALE FOLGORE | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| MASERATI LEVANTE | 2014 to 2016 |
| MASERATI LEVANTE | 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| MASERATI LEVANTE S | 2017 (the catalog's model; the bulletin names a series or trim of it) |
| MASERATI MC20 | 2021 |
| MASERATI MC20 | 2022, 2023, 2024 |
| MASERATI MC20 CIELO | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| MASERATI NUOVA GRANCABRIO | 2024 |
| MASERATI NUOVA GRANTURISMO | 2024 |
| MASERATI QUATTROPORTE | 2004 |
| MASERATI QUATTROPORTE | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| MASERATI QUATTROPORTE GTS | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| MASERATI QUATTROPORTES | 2005 (the catalog's model; the bulletin names a series or trim of it) |
| MASERATI SEDAN | 2002 |
| MASERATI SPYDER | 2002, 2003, 2004 |
| MASERATI SPYDER | 2005 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 18V173000 | 2018-03-14. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE |
|---|---|
| 17V161000 | 2017-03-13. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE |
| 2016647 | 2016-12-21. Engine |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| MAS005186 MCL 26-16 | 2026-08-03. 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. |
|---|---|
| MAS005184 MTB 26-10 | 2026-07-01. Other. Quattroporte / Ghibli / Levante V6 – Thermostat Gasket Availability This bulletin provides updated information and further clarification regarding the replaceability of the thermostat gasket on V6 engines installed on Quattroporte, Ghibli and Levante. |
| MAS005184 MTB 26-10 | 2026-07-01. Other. Quattroporte / Ghibli / Levante V6 – Thermostat Gasket Availability This bulletin provides updated information and further clarification regarding the replaceability of the thermostat gasket on V6 engines installed on Quattroporte, Ghibli and Levante. |
| MAS005184 MTB 26-10 | 2026-06-18. Other. This bulletin provides updated information and further clarification regarding the replaceability of the thermostat gasket on V6 engines installed on Quattroporte, Ghibli and Levante. |
| MAS005111_A MTB 26-06 | 2026-05-22. 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 26-05 | 2026-04-30. Other. Maserati Coolant fluid Color Change from pink to purple. |
| MAS004952 DS 25-36 | 2025-12-01. Other. This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible issues potentially affecting the oil pump/sensor. |
| MAS004939 MTB 25-43 | 2025-12-01. Other. This bulletin provides instructions for checking engine radiator leaks. The purpose of this procedure is to confirm leaks with clear evidence, prevent unnecessary component replacement, and ensure accurate diagnosis. |
| MAS004829 MTB 25-37 | 2025-10-31. Other. This bulletin explains how to identify and handle momentary coolant leaks from the water pump’s weeper chamber on Maserati MHEV engines. It helps technicians understand what is normal during initial operation, what needs attention, and how to decide if the pump should be replaced. |
| MAS004864 MTB 25-33 | 2025-10-02. 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) |