NHTSA Complaint #11600541 — 2020 JEEP GRAND CHEROKEE

The contact owns a 2020 Jeep Grand Cherokee. The contact stated while driving 50 MPH, the vehicle started shaking abnormally and stalled. The RPM increased to high. The contact was able to pull over and restart the vehicle. Several unknown warning lights were illuminated. The vehicle was taken to the local dealer, where it was diagnosed and determined that the water pump was leaking. The contact stated that the valves, cylinder, head gasket, gasket case cover, gasket head cover, oil intake manifold, and oil filter housing were replaced, but the failure recurred. The mechanic performed a pressure test. The contact stated that while at a stop light, the engine seized and failed to move. The vehicle failed to shift into gear. The vehicle was towed to the local dealer, where it was diagnosed that the alternator ground wiring nut was corroded. The vehicle was repaired. The manufacturer was not contacted. The failure mileage was approximately 50,273.