# Service bulletin 12\-255\-24R

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: 11008271
- Published by NHTSA: 2024\-10\-02
- Manufacturer's number: 12\-255\-24R
- Manufacturer's date: 2024\-09\-30
- NHTSA component: ENGINE

## NHTSA's summary

This bulletin announces the repair procedure developed to address cases of a knocking type sound emitting from the engine compartment.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11008271-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11008271-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2019 to 2024 SUBARU FORESTER

## Recalls for the same vehicles and component

- [23V723000](/recalls/nhtsa/23V723000.md), 2023-10-26: ENGINE AND ENGINE COOLING
- [2019604](/recalls/tc/2019604.md), 2019-12-02: Engine
- [19V856000](/recalls/nhtsa/19V856000.md), 2019-12-02: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\)

## Other bulletins for the same vehicles and component

- [07\-242\-26](/bulletins/11035637.md), 2026-08-04, Service bulletin: ENGINE; STEERING. This bulletin outlines a repair procedure to be performed if DTC B2781 is set in the steering lock control module.
- [02\-193\-24R](/bulletins/11034269.md), 2026-07-02, Service bulletin: ENGINE. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components \(e.g. intake valves and / or manifold, and combustion chambers\). \(This is an revised version of the original bulletin.\)
- [09\-74\-21R](/bulletins/11034264.md), 2026-07-02, Service bulletin: ENGINE; FUEL/PROPULSION SYSTEM. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components \(e.g. intake valves and / or manifold, and combustion chambers\). \(This is an revised version of the original bulletin.\)
- [02\-193\-24R](/bulletins/11033065.md), 2026-06-01, Service bulletin: ENGINE. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components \(e.g. intake valves and / or manifold, and combustion chambers\).
- [18\-230\-26](/bulletins/11033051.md), 2026-06-01, Service bulletin: ENGINE. This bulletin announces the diagnostic procedures to be used when DTCs B1571\(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM\) and B1572\(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT\) are detected by Keyless Access with Push Button Start\(KACM\).
- [15\-300\-22R](/bulletins/11027982.md), 2026-02-02, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start \(RES\).
- [09\-123\-24](/bulletins/11027978.md), 2026-02-02, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This bulletin announces the design change made to the high\-pressure fuel pump developed to prevent DTC P0087 \(Fuel Rail/System Pressure – Too Low Bank 1\).
- [15\-246\-19R](/bulletins/11027103.md), 2026-01-06, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer\-related repairs on models listed.
- [09\-74\-21R](/bulletins/11027090.md), 2026-01-06, Service bulletin: ENGINE; FUEL/PROPULSION SYSTEM. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components \(e.g. intake valves and / or manifold, and combustion chambers\).
- [18\-226\-25R](/bulletins/11027083.md), 2026-01-06, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 \(Immobilizer Key Collation Diagnosis\).

JSON: [/v1/bulletins/11008271](/v1/bulletins/11008271)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2012-255-24R&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11008271&vehicle=Service%20bulletin%2012-255-24R)