Service bulletins for the 2012 Bentley Mulsanne
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.
174 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Brakes are shown. Show all
| 2052785/10 | 2025-11-04. Service bulletin. SERVICE BRAKES. Brake noise identification |
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| 2052785/9 | 2025-03-07. Service bulletin. SERVICE BRAKES. Brake noise identification. Technical Background: Brake noises can be attributed to many causes, the most common causes are as follows: • Brake discs or pads are close to their wear limit • New brake pads and/or discs have not been properly bedded in after installation • Aftermarket pads or discs are installed • There is debris such as small stones, grit, road salt or sand between the brake disc and pad • Discs are covered in rust. Rust can form when the vehicle has been stationary for long periods of time |
| 2052785.8 | 2023-11-08. Service bulletin. SERVICE BRAKES, HYDRAULIC; UNKNOWN OR OTHER. Brake Noise Identification: Customer Statement: -Noise/squeal complaint from the braking system Technical Background: -The noise/squeal can be reproduced and clearly assigned to the braking system |
| 2052785/7 | 2022-04-08. Service bulletin. SERVICE BRAKES, HYDRAULIC. Brake noise identification. Customer statement: Noise complaint from the braking system. Workshop findings: The noise can be reproduced and clearly assigned to the braking system. Service: Note: For correct diagnosis and repair the attached Flowchart must be followed. 1. Check the overall condition of the brakes to determine if the brake noise can be attributed to one of the causes listed in the Technical Background section of this TPI. If the noise is not a result of one these causes, proceed with point 2. 2. Record the noise and frequency For the frequency analysis and the noise recording we recommend using the Chassis Ear Tool WT 10437. To record the noise and measure the frequency using WT 10437 Chassis Ear Tool follow these instructions; Refer to File recording in the WT 10437 user instructions. |
| 2052785/5 | 2020-09-05. Service bulletin. SERVICE BRAKES, HYDRAULIC. Brake noise identification. Customer statement: Noise complaint from the braking system. Workshop findings: The noise can be reproduced and clearly assigned to the braking system. Technical Background: Brake noises can be attributed to many causes. Eight of the most common causes are: 1. Brake discs or pads are close to their wear limit. 2. New brake pads and/or discs have not been properly bedded in after installation. 3. Aftermarket pads or discs are installed. 4. There is debris such as small stones, grit, road salt or sand between the brake disc and pad. 5. Discs are covered in rust. Rust can form when the vehicle has been stationary for long periods of time (Figure 1). |
| 2052785/4 | 2020-01-09. Service bulletin. SERVICE BRAKES, HYDRAULIC. Condition: Customer statement: Noise complaint from the braking system. Workshop findings: The noise can be reproduced and clearly assigned to the braking system. Technical Background Brake noises can be attributed to many causes. Eight of the most common causes are: 1. Brake discs or pads are close to their wear limit. 2. New brake pads and/or discs have not been properly bedded in after installation. 3. Aftermarket pads or discs are installed. 4. There is debris such as small stones, grit, road salt or sand between the brake disc and pad. 5. Discs are covered in rust. Rust can form when the vehicle has been stationary for long periods of time (Figure 1). 6. Discs have a groove in them (Figure 2) 7. There is chemical contamination on the braking surface of the disc due to a wheel or tyre cleaner being sprayed directly onto the disc (Figure 3). 8. There are pad marks on the brake disc as a result of the brake pad material transferring to the discs. This can occur when a vehicle has been stood for long periods of time in a wet or snowy environment (Figure 4). |
| 2052785.3 | 2019-07-01. Service bulletin. SERVICE BRAKES. Brake noise identification |
| 2052785-1 | 2019-02-19. Service bulletin. SERVICE BRAKES. Brake noise identification |
| DC-12-2011 | 2011-12-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; SERVICE BRAKES, AIR:ANTILOCK; ELECTRICAL SYSTEM:SOFTWARE. BENTLEY: ABS CONTROL MODULE INTERRUPTS THE COMMUNICATIONS BETWEEN ABS AND THE ENGINE CONTROL MODULE (ECM). *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.