2009 MACK GU Complaints

View complaints related to 2009 MACK GU. The complaints found here are submitted by actual consumers with first hand experience. There are more than 10 complaints submitted for the 2009 MACK GU. You can submit your own complaint to the NHTSA or call the Hotline, Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153.

  • 2009 MACK GU
    - BOISE, ID

    VEHICLE HAVING ELECTRICAL ISSUES, LIGHTS AND RADIO SHUTTING OFF AND EXHAUST ENGINE BREAK WORKING INTERMITTENTLY. HOOKED UP AND MOSTLY DATA LINK CODES. IC CLUSTER LIGHTS FLASH ON AND OFF WHILE HOOKED UP. FOUND ENGINE ECM FULL OF OIL ON BOTH A AND B CONNECTORS. OIL LEVEL SENSOR IS LEAKING WIC KING OIL UP TO ECM. WILL NEED ECM,HARNESS,OIL LEVEL, OIL PRESSURE SENSORS AND EGR VENTURI FRONT CAB MOUNTS ARE WORE CAUSING AIR CLEANER HEAT SHEILD TO RUB THOUGHT VALVE COVER. NEED TO REPAIR ENGINE BEFORE ANYMORE T/S.

    Source: NHTSA WEB SITE