There are 2 stored owner reports matching the engine leading-label group for the 2008 Volvo S40 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2008 VOLVO S40. WHILE DRIVING 60 MPH, THE VEHICLE OVERHEATED AND STALLED. IN ADDITION, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS 191,000.
TL* THE CONTACT OWNS A 2008 VOLVO S40. THE CONTACT STATED THAT THE OIL TRAP AND VENTILATION HOSE WERE DAMAGED. THE CONTACT STATED THAT THE CHECK ENGINE WARNING INDICATOR ILLUMINATED, THE VEHICLE MADE AN ABNORMAL NOISE, AND THERE WAS AN OIL LEAK IN THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND IT WAS CONFIRMED THE FAILURE WAS IN THE OIL TRAP AND VENTILATION HOSE IN THE ENGINE THAT NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THERE WAS A TECHNICAL SERVICE BULLETIN RTJ-19745 (ENGINE AND ENGINE COOLING), WHICH EXTENDED THE WARRANTY FOR AFFECTED VEHICLES; HOWEVER, THE VIN WAS NOT INCLUDED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 77,800.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.