NHTSA (USA)Critical
2004 SUBARU IMPREZANHTSA Campaign #04V473000
The official notice
Defect
ON CERTAIN PASSENGER AND SPORT UTILITY VEHICLES, THE COVER BOLTS FOR THE ENGINE OIL CONTROL VALVE MAY NOT BE SUFFICIENTLY TIGHTENED, ALLOWING OIL TO LEAK FROM AROUND THE COVER GASKET.
Safety Risk
IF LEAKING OIL CONTACTS COMPONENTS OPERATING AT HIGH TEMPERATURES, A FIRE COULD RESULT IN THE ENGINE COMPARTMENT.
Remedy
DEALERS WILL INSPECT AND RETIGHTEN THE OIL-FLOW CONTROL VALVE COVER BOLTS. THE RECALL BEGAN ON OCTOBER 8, 2004. OWNERS SHOULD CONTACT SUBARU AT 1-800-782-2783.
Updated June 10, 2026