# 2012 JEEP LIBERTY — ENGINE
> NHTSA complaint `1515005` · 2018-11-13 · Chrysler (FCA US, LLC)
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** Yes
- **Crash:** No
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** JEEP
- **Model:** LIBERTY
- **Year:** 2012
- **Manufacturer:** Chrysler (FCA US, LLC)
- **Component:** ENGINE
- **Miles at failure:** 82,000
- **Speed:** 55 mph
## Narrative
DRIVING FREEWAY SPEED, ENGINE LOST POWER, ELECTRONIC THROTTLE CONTROL LIGHT FLASHED, THEN ENGINE LIGHT; PULLED ONTO SHOULDER, RAISED HOOD, OBSERVED FIRE AT VALVE COVER/WIRING HARNESS. MECHANIC'S SUBSEQUENT INSPECTION REVEALED VALVE/ROCKER ARM FAILURE RESULTED IN PUNCTURED VALVE COVER THAT RELEASED OIL ONTO HOT ENGINE RESULTING IN FIRE. ROCKER ARM FAILURES ARE COMMON ON MOPAR 3.7 ENGINE - GOOGLE THE TERM AND MANY HITS WILL APPEAR. THIS IS UNACCEPTABLE FOR AN ENGINE WITH 82,000 MILES THAT WAS SERVICED REGULARLY ACCORDING TO MANUFACTURER RECOMMENDATIONS. NEW ENGINE NOW REQUIRED.
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*