Service bulletin WUS-04
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 | 10166945 |
| Published by NHTSA | 2019-11-01 |
| Manufacturer's number | WUS-04 |
| Manufacturer's date | 2019-10-24 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING |
NHTSA's summary
Subaru of America, Inc. (Subaru) is initiating a safety recall for certain 2017 model year Impreza vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective. Please note: while the reason and safety risk behind this recall are the same as WUP-01, this recall differs in the work process and remedy.
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
Engine, Exhaust and emissions, Crankcase ventilation (PCV)
| SUBARU IMPREZA | 2017 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 19V745000 | 2019-10-17. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV) |
|---|---|
| 19V744000 | 2019-10-17. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV) |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| WUP-01R | 2019-11-01. Service bulletin. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2017-2018 model year Impreza vehicles and certain 2018 model year Crosstrek vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective. |
|---|---|
| WUP-01 | 2019-11-01. Service bulletin. Subaru f America, Inc. (Subaru) is initiating a new safety recall for certain 2017-2018 model year Impreza vehicles and certain 2018 model year Crosstrek vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective. |
| 11-189-19 | 2019-03-11. Service bulletin. This Service Information bulletin announces a change to the required thread sealer used when installing the PCV valve into the engine block. The previously used material may solidify and cause damage to the engine block threads during PCV valve removal. |
| 02-175-18R | 2018-11-05. Service bulletin. This bulletin announces a design change to the PCV valve used on the models listed above. Customers may have concerns of white smoke from the exhaust and / or in some cases, excessive engine oil consumption. |