GVWR: Class 2E: 6,001 - 7,000 lb (2,722 - 3,175 kg)
Make: GMC
Manufacturer: GENERAL MOTORS LLC
Manufacturer Id: 984
Model: Sierra
Model Year: 2009
Plant City: Silao
Plant Country: Mexico
Series: 1/2 Ton
Trim: SLT
Vehicle Type: TRUCK
Model year
COMPONENT
Complaint
2004
ELECTRICAL SYSTEM: INSTRUMENT PANEL
2004 GMC SIERRA TRUCK SPEEDOMETER READS OVER 120MPH WHEN DRIVING ON HIGHWAY AND READS 30 TO 60MPH WHEN STOPPED. REPEATED STARTING AND TURNING OFF ENGINE RESETS THE SPEEDOMETER TO 0 WHEN STOPPED, BUT ONLY FOR A SHORT TIME. IT JUMPS BACK UP TO OVER 120MPH WHEN DRIVING AGAIN. *TR
2009
SERVICE BRAKES
AFTER BEING STOPPED WITH ENGINE OFF AND EMERGENCY BRAKE ENGAGED, STARTED ENGINE, DISENGAGED EMERGENCY BRAKE AND ACCELERATED. SIGNIFICANT VIBRATION IN THE REAR OF THE TRUCK. TOOK VEHICLE TO CHEVROLET/GMC DEALERSHIP AND WAS ADVISED THAT THE REAR WHEEL CYLINDERS WERE LEAKING AND NEEDED TO BE REPLACED AFTER ONLY 43500 MILES. THIS INCIDENT FOLLOWED AN ISSUE ON 11-29-12 WHERE THE THROTTLE POSITION SENSOR MALFUNCTIONED AND THE ENGINE RAN VERY ROUGH AND THE TRUCK WAS DIFFICULT TO STOP. *TR
