| Issue ID | 874837 |
| Internal NHTSA # | 10418364 |
| Manufacurer | SUBARU OF AMERICA, INC. |
| Brand | SUBARU |
| Model | IMPREZA |
| Model Year | 2011 |
| File date | 13/06/11 |
| Component | ENGINE AND ENGINE COOLING:ENGINE |
| Product type code | VEHICLE |
| Description of the problem | The car is a 2011 subaru wrx sti. As far as i can tell nothing led up to the failure. It was fine one day, then failed the next. The failure was broken piston ring lands on the #2 and #4 pistons in the engine. The consequences were that i needed to replace the short block of the engine along with all associated parts like new pistons. Subaru replaced the short block and all associated parts under warranty, including new pistons and rings. |
| Vehicle Mileage at Failure | 4600 |
| Number of Occurences | 1 |
| Source of the issue | NHTSA WEB SITE |
| City and State | LAS VEGAS, NV |
| VIN pattern | JF1GR8H67BLXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | |
| Was part original equipment? | |
| No. of injured persons | |
| No. of fatalities | |
| Date of purchase | 07/08/26 |
| Was original owner? | N |
| Anti-lock brakes | N |
| Cruise control | N |
| Number of cylinders | 4 |
| Drive train type | |
| Transmission type | |
| Vehicle speed | 60 |
| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | |
| Dealer's telephone number | |
| Dealer's city | |
| Dealer's state code | |
| Dealer's ZIP code |