# Service bulletin MAS003306

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: 10226568
- Published by NHTSA: 2022\-11\-28
- Manufacturer's number: MAS003306
- Manufacturer's date: 2022\-10\-20
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

## NHTSA's summary

Diagnostic Sheet\- for rear silencer ratting noise from exhaust silencer.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10226568-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10226568-9999.pdf)

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

## Components

Engine, Exhaust and emissions

## Vehicles listed

- 2020 to 2023 MASERATI LEVANTE

## Other bulletins for the same vehicles and component

- [MAS005184 MTB 26\-10](/bulletins/11034170.md), 2026-07-01, Other: UNKNOWN OR OTHER; ENGINE. 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](/bulletins/11034165.md), 2026-07-01, Other: UNKNOWN OR OTHER; ENGINE. 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](/bulletins/11033983.md), 2026-06-18, Other: UNKNOWN OR OTHER; ENGINE. 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](/bulletins/11032896.md), 2026-05-22, Other: UNKNOWN OR OTHER; ENGINE. 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](/bulletins/11031741.md), 2026-04-30, Other: UNKNOWN OR OTHER; ENGINE. Maserati Coolant fluid Color Change from pink to purple.
- [MAS004789 DS 25\-19](/bulletins/11020794.md), 2025-07-18, Other: ENGINE; UNKNOWN OR OTHER. This diagnostic sheet is intended to assist technicians in identifying and differentiating engine oil leaks and sweating.
- [MAS004745 MTB 25\-21](/bulletins/11019555.md), 2025-06-17, Other: ENGINE; UNKNOWN OR OTHER. Some vehicles may experience oil leakage from a threaded insert that may be causing a leak in the engine oil pan. This bulletin provides the repair steps to replace the insert and avoid replacing the entire oil pan. MODELS AFFECTED: \- Quattroporte \(M156\) \- Ghibli \(M157\) \- Levante \(M161\) \*All with V6 engines only\*
- [MAS004438\_A MTB 25\-16](/bulletins/11019549.md), 2025-06-17, Service bulletin: ENGINE; UNKNOWN OR OTHER. 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”
- [MAS004703 MTB 25\-15](/bulletins/11018401.md), 2025-05-16, Other: UNKNOWN OR OTHER; ENGINE. This Technical bulletin serves as a guide and provides additional diagnostic info to update the engine oil level displayed on the ICS \(Integrated Center Stack\) for Grecale Hybrid Vehicles and GranTurismo, GranCabrio, and Grecale Trofeo versions
- [MAS004438\_A MTB 25\-16](/bulletins/11018400.md), 2025-05-16, Other: UNKNOWN OR OTHER; ENGINE. his 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”.

JSON: [/v1/bulletins/10226568](/v1/bulletins/10226568)

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