NHTSA Complaint #10381945 — 2006 JEEP GRAND CHEROKEE

DRIVING HIGHWAY SPEEDS OF 55 MPH ON AUGUST 1, 2009 AND HEARD A POPPING NOISE, THOUGHT I HAD RUN OVER SOMETHING, A FEW SECONDS LATER THE ENTIRE JEEP STARTING VIBRATING AND AWFUL BEATING AND BANGING NOISES AND TOTALLY LOST POWER. HAD TO COAST TO STOP ALONGSIDE OF ROAD. VEHICLE TOWED TO MECHANIC. FOUND VALVE SPRING BROKE AND TOTAL ENGINE LOSS IN 3.7 L V-6 ENGINE. HAD TO REPLACE ENGINE. CHOSE TO REPLACE WITH JASPER ENGINE FOR WARRANTY. ENGINE REPLACED AND RECEIVED JEEP BACK ON AUGUST 20, 2009. ON JANUARY 31, 2011 LEAVING DRIVEWAY OF PLACE OF EMPLOYMENT AND JEEP STARTING SHUTTERING AS IF IT WAS GOING TO STALL AND STALLED OUT AFTER ENGINE LIGHT CAME ON. HAD TOWED TO MECHANIC. 17 MONTHS INTO A 36 MONTH WARRANTY WITH 20,000 MILES ON THIS ENGINE, VALVE SPRING BROKE CAUSING ENTIRE ENGINE DAMAGE. JASPER IS REPLACING THIS ENGINE UNDER WARRANTY. ACCORDING TO JASPER, THEY HAVE REPLACED THREE ENGINES IN LAST THREE MONTHS DUE TO VALVE SPRING BREAKAGE. VALVE SPRING HAS NOT BEEN UPDATED. AFRAID THIS WILL HAPPEN AGAIN IF CHRYSLER DOES NOT UPDATE WITH NEWER STRONGER VALVE SPRING.