Rolls-Royce bulletin RR65503553
What it saysInformation and instructions on carrying out a Cylinder Leakage Test on an N74 engine NHTSA’s full summary ↓
Rolls-Royce filed this with NHTSA as a service bulletin dated Nov 1, 2020, received Dec 21, 2020, about the equipment. It names 10 model years (2020–2021). 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.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationInformation and instructions on carrying out a Cylinder Leakage Test on an N74 engine
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| RR65503553 | Service bulletin | Nov 1, 2020 | 10184604 | not found |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. 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. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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A weekly email, sent only in a week when Rolls-Royce files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.
More bulletins about the equipment
Source: same model, same component group5 other manufacturer communications filed against these Rolls-Royce models under the same component group (equipment), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| A08202201UC | Service bulletin | Aug 16, 2022 | The vehicles identified may potentially not transfer incoming voice audio during a telematics call due to the 3G network deactivation in the… |
| RR65558203 | Service bulletin | Jul 1, 2021 | Customer complains the CID monitor does not extend or retract correctly, for example stuck in the lowered position or doesn?t raise fully. |
| RR65537732 | Service bulletin | May 1, 2021 | The engine oil level has not been determined for a long time. Please measure engine oil level. The check control message (ID 961) can occur… |
| RR65217845 | Service bulletin | Apr 1, 2021 | The customer complains there is little or no cooling effect from the air conditioning system. When checking the A/C system it is either very… |
| RRA09202008 | Service bulletin | Sep 1, 2020 | An issue has been identified concerning the programming of all Ghost, Wraith and Dawn RR4/5/6 model variants with ISTA4.25 which includes ve… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Rolls-Royce, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Rolls-Royce RR65503553 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 RR65503553 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. Every BMW warranty extension on file lists the ones BMW has filed.
Which vehicles does RR65503553 cover?
The manufacturer filed it against 10 model years: 2021 Rolls-Royce Cullinan, 2020 Rolls-Royce Cullinan, 2021 Rolls-Royce Dawn, 2020 Rolls-Royce Dawn, 2021 Rolls-Royce Ghost, 2020 Rolls-Royce Ghost and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.