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Manufacturer communication · Service bulletin

Bentley bulletin 2028794.7

Bentley filed this with NHTSA as a service bulletin dated Oct 23, 2023, received Nov 8, 2023, about the engine and engine cooling. It names 34 model years (2016–2024). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.

What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

Engine Coolant Mixture - Restrictions on use of desalinated water Customer Statement: -Engine coolant requires topping up or replacing

Kind Service bulletin Manufacturer date Oct 23, 2023 Received by NHTSA Nov 8, 2023 Components Engine And Engine Cooling

Document filed under this number

DocumentKindDatedNHTSA id
2028794.7Service bulletinOct 23, 202310245096

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5; the full text comes from the manufacturer or a dealer. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. Quote it at a service desk; it is what the dealer’s system is keyed on.

Common questions

Source: NHTSA, 49 CFR 579.5

Is Bentley 2028794.7 a recall?

No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the 2028794.7 repair free?

Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.

Which vehicles does 2028794.7 cover?

The manufacturer filed it against 34 model years: 2024 Bentley Bentayga, 2023 Bentley Bentayga, 2022 Bentley Bentayga, 2021 Bentley Bentayga, 2020 Bentley Bentayga, 2019 Bentley Bentayga and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.