# Service bulletin 02\-179\-18

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: 10150935
- Published by NHTSA: 2018\-12\-10
- Manufacturer's number: 02\-179\-18
- Manufacturer's date: 2018\-10\-12
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

## NHTSA's summary

This Service Information Bulletin announces a change to the procedure and sequence used for torqueing the cylinder head bolts on the EJ25 turbocharged engine used in the 2015\-2018MY STI.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10150935-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10150935-0001.pdf)

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

## Components

Engine, Equipment and accessories, Turbocharger or supercharger

## Vehicles listed

- 2015 to 2019 SUBARU WRX STI

## Recalls for the same vehicles and component

- [16V162000](/recalls/nhtsa/16V162000.md), 2016-03-21: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

## Other bulletins for the same vehicles and component

- [02\-179\-18](/bulletins/10150910.md), 2018-12-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This Service Information Bulletin announces a change to the procedure and sequence used for torqueing the cylinder head bolts on the EJ25 turbocharged engine used in the 2015\-2018MY STI.
- [WTA\-62SS](/bulletins/10140525.md), 2018-06-11, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Subaru Safety Recall Campaign/ STOP SALE: WTA?62 Turbo Engine Air Intake Duct. The turbocharger air intake duct on affected vehicles may have been produced with incorrect material that is susceptible to cracking.
- [WTA\-62A](/bulletins/10140498.md), 2018-06-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Turbo models only. Service Procedure Bulletin. The repair procedure will involve inspecting and possibly replacing the turbocharger air intake duct. Inspection of the turbocharger air intake duct lot number \(date\) molded on the duct will be necessary to determine if replacement is required.
- [WTA\-62](/bulletins/10140497.md), 2018-06-11, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Turbo models only. Subject: Update ? Subaru Safety Recall Campaign/ STOP SALE: WTA?62 Turbo Engine Air Intake Duct. Owner Notification: All potentially affected vehicle owners will be notified by first class mail on or around April 15, 2016. As previously announced on March 17, 2016, Subaru of America, Inc. \(Subaru\) is recalling certain 2015 and 2016 model year Forester 2.0XT and WRX vehicles due to a possible issue with the turbocharger air intake duct.
- [02\-173\-18](/bulletins/10140480.md), 2018-06-11, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. 2.0L Turbo Models only. This bulletin announces availability of a special turbocharger air intake duct designed to prevent EXTREMELY RARE occurrence of ice formation from condensation in the duct?s PCV system passages.
- [02\-173\-18](/bulletins/10140425.md), 2018-06-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 2.0L Turbo Models only. This bulletin announces availability of a special turbocharger air intake duct designed to prevent EXTREMELY RARE occurrences of ice formation from condensation in the duct?s PCV system passages.

JSON: [/v1/bulletins/10150935](/v1/bulletins/10150935)

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