# 1998 TOYOTA SIENNA — ENGINE AND ENGINE COOLING:ENGINE
> NHTSA complaint `151087` · 1999-05-18 · Toyota Motor Corporation
## Severity
- **Deaths:** 0
- **Injured:** 1
- **Fire:** No
- **Crash:** No
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** TOYOTA
- **Model:** SIENNA
- **Year:** 1998
- **Manufacturer:** Toyota Motor Corporation
- **Component:** ENGINE AND ENGINE COOLING:ENGINE
- **Speed:** 18 mph
## Narrative
CRANKSHAFT BALL BEARINGS ARE DEFECTIVE, CAUSING DECREASE IN OIL PRESSURE AND CRANKSHAFT AND OIL PUMP FAILURES
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*