# Service bulletin 02\-131\-12R

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: 10165512
- Published by NHTSA: 2019\-10\-01
- Manufacturer's number: 02\-131\-12R
- Manufacturer's date: 2019\-09\-20
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

The purpose of this Bulletin is to provide procedures for the diagnosis and repair of oil seepage which may be coming from the timing chain cover, front camshaft cap, camshaft carrier and / or upper oil pan. There are five areas that should be closely inspected if an oil leak is reported by the customer: 1. The 6mm tapped hole casting boss area in the left\-hand camshaft cap 2. The sealing surfaces between either the left or right\-hand camshaft cap and camshaft carrier 3. The sealing surfaces between the cylinder head and camshaft carrier 4. The sealing surface between the upper oil pan and the engine block 5. The sealing surfaces of the front timing chain cover

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165512-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165512-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2012 to 2019 SUBARU FORESTER
- 2012 to 2019 SUBARU IMPREZA
- 2015 to 2019 SUBARU WRX

## Recalls for the same vehicles and component

- [21V264000](/recalls/nhtsa/21V264000.md), 2021-04-15: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
- [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 \(PCV\)
- [2019527](/recalls/tc/2019527.md), 2019-10-17: Engine
- [2019526](/recalls/tc/2019526.md), 2019-10-17: Engine
- [2019525](/recalls/tc/2019525.md), 2019-10-17: Engine
- [19V745000](/recalls/nhtsa/19V745000.md), 2019-10-17: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\)
- [19V744000](/recalls/nhtsa/19V744000.md), 2019-10-17: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\)
- [2018606](/recalls/tc/2018606.md), 2018-11-02: Engine
- [18V772000](/recalls/nhtsa/18V772000.md), 2018-11-01: ENGINE AND ENGINE COOLING:ENGINE

## Other bulletins for the same vehicles and component

- [09\-84\-22R](/bulletins/11037934.md), 2026-10-05, Service bulletin: ENGINE. This bulletin announces Warranty Extension and design changes made to the front exhaust pipe and covers to address the concerns of some customers regarding an odor or a rattle\-type noise/fluttering sound coming from the undercarriage, during acceleration. This is an revised version of the original bulletin.
- [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\(KACM\).
- [WRA\-26](/bulletins/11030577.md), 2026-04-02, Service bulletin: ENGINE. In the interest of customer satisfaction, Subaru of America, Inc. \(Subaru\) is initiating a new voluntary emissions recall for certain 2018 model year WRX and Forester vehicles and certain 2019 MY WRX equipped with a 2.0L turbo engine.
- [SubaruNet Announcement \(W](/bulletins/11030564.md), 2026-04-02, Other: ENGINE. This announcement provides information on the voluntary emissions recall WRA\-26 for the rear catalyst non\-compliance.
- [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 \(Fuel Rail/System Pressure – Too Low Bank 1\).
- [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 \(e.g. intake valves and / or manifold, and combustion chambers\).

JSON: [/v1/bulletins/10165512](/v1/bulletins/10165512)

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