Service bulletins for the 2018 Subaru WRX
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.
368 on file from NHTSA, as of 2026-10-19.
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By component
By trouble code
Only bulletins with component: Turbocharger or supercharger are shown. Show all
| 02-179-18 | 2018-12-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. 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. |
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| 02-179-18 | 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.