WenmarOpen by Wenmar Pro

Service bulletin 03-79-18R

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10150921
Published by NHTSA2018-12-10
Manufacturer's number03-79-18R
Manufacturer's date2018-10-22
NHTSA componentPOWER TRAIN:CLUTCH ASSEMBLY; EQUIPMENT

NHTSA's summary

This bulletin announces a change to the clutch system components optimizing their durability and resistance to certain severe driving conditions including high-temperature operation.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Transmission and driveline, Clutch

Vehicles listed
SUBARU WRX2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
03-78-17R2021-02-01. Service bulletin. This bulletin announces a design change to the clutch release bearing.
03-86-202020-12-05. Service bulletin. This bulletin provides additional repair procedures to follow when replacing a leaking clutch master cylinder on certain vehicles.
03-79-18R2018-12-10. Service bulletin. This bulletin announces a change to the clutch system components optimizing their durability and resistance to certain severe driving conditions including high-temperature operation.
10-84-16R2017-10-27. Service bulletin. This bulletin announces the availability of a new Air Conditioning compressor / clutch assembly to address customer concerns of the system not operating. Electrical windings located inside the clutch assembly have been changed to eliminate the condition. The service procedure will involve replacement of the A/C compressor and clutch as a complete assembly.
12-190-15R2017-03-03. Service bulletin. THIS BULLETIN PROVIDES A PROCEDURE TO ADDRESS CUSTOMER CONCERNS OF A CREAKING SOUND HEARD WHEN OPERATING THE CLUTCH PEDAL. THE CAUSE OF THE SOUND HAS BEEN IDENTIFIED AS A VERY SLIGHT AMOUNT OF MOVEMENT BETWEEN THE 2 LAYERS OF METAL (CIRCLED IN YELLOW) WHICH FORM THE SPECIFIC CLUTCH AND BRAKE PEDAL ASSEMBLY MOUNTING BRACKET SHOWN IN THE ILLUSTRATION AND PHOTOS BELOW.
12-190-152017-03-03. Service bulletin. THIS BULLETIN PROVIDES A PROCEDURE TO ADDRESS CUSTOMER CONCERNS OF A CREAKING SOUND HEARD WHEN OPERATING THE CLUTCH PEDAL. THE CAUSE OF THE SOUND HAS BEEN IDENTIFIED AS A VERY SLIGHT AMOUNT OF MOVEMENT BETWEEN THE 2 LAYERS OF METAL (CIRCLED IN YELLOW) WHICH FORM THE SPECIFIC CLUTCH AND BRAKE PEDAL ASSEMBLY MOUNTING BRACKET SHOWN IN THE ILLUSTRATION AND PHOTOS BELOW.