2003 GMC SIERRA Engine Problems
3 NHTSA complaints on file
Engine Issues in the 2003 GMC SIERRA
3 engine complaints have been filed with NHTSA for the 2003 GMC SIERRA. Of these, 1 involved a crash, 0 involved a fire, and 0 resulted in injury.
3
Complaints
1
Crashes
0
Fires
0
Injuries
0
Deaths
All Engine Complaints
I WAS PARKED ON A SLOPED DRIVEWAY (ABOUT 10 - 15 DEGREES). I STARTED THE ENGINE, STEPPED ON THE BRAKE PEDAL AND TOOK THE CAR OUT OF PARK INTO DRIVE. BRAKE PEDAL WAS NORMAL. I STARTED TO ROLL FORWARD AND WHEN I PUSHED THE BRAKE PEDAL THE CAR DID NOT SLOW. I SLAMMED THE BRAKE PEDAL AND IT WENT ALL THE WAY TO THE FLOOR. AT THIS POINT I WENT OFF THE END OF THE DRIVEWAY ONTO A 45 DEGREE DOWNWARD SLOPED LAWN; THEN INTO A WOODED AREA AT THE TOP OF A RAVINE. I SLAMMED INTO A TREE. THE CAR WAS JUDGED A TOTAL LOSS BY MY INSURANCE COMPANY. I DID NOT GET A BRAKE WARNING LIGHT. THE AIRBAGS DID NOT DEPLOY. THE CAR WAS SERVICED AT A UNION PARK GMC (WILMINGTON, DE) TWO DAYS PRIOR. INCLUDING BRAKE INSPECTION. CAUSE OF BRAKE FAILURE WAS DETERMINED TO BE RUPTURED BRAKE...
I WROTE GM ON OCTOBER 26, 2013 ABOUT MY 2003 GMC SIERRA DURAMAX DIESEL 6.6L 6L THAT JUST RECENTLY STARTED BILLOWING BLUISH BLACK SMOKE CONSTANTLY FROM THE EXHAUST AND COSTING AN EXORBITANT AMOUNT OF MONEY IN GAS. I TOOK IT TO THE DEALER (QUALITY BY DILORENZO IN ALBUQUERQUE, NEW MEXICO) AND THEY INFORMED ME THAT THERE WAS A BULLETIN ISSUED IN OCTOBER 2006 FOR LEAKING FUEL INJECTORS. THEY DIAGNOSED MY TRUCK WITH THE EXACT FUEL INJECTOR PROBLEM. THE TRUCK ONLY HAS 83,502 MILES ON IT AND I'VE BEEN INFORMED THAT THE NEXT TIME I TAKE IT FOR AN EMISSIONS TEST (A REQUIREMENT IN NEW MEXICO) IT WILL FAIL. I FINALLY SAVED UP ENOUGH MONEY TO GO AN OUTSIDE REPAIR SHOP ON JULY 15, 2014 TO GET MY FUEL INJECTORS REPLACED AND THE TOTAL CAME TO $4763.78. I FOUND OUT THAT THERE WERE TWO STRIPPED BOLTS INDICATING THAT THE FUEL INJECTORS...
MY VEHICLE BEGAN LOSING COOLANT. I TOOK THE VEHICLE TO A MECHANIC, WHO HAS TOLD ME THAT THE CYLINDER HEAD IS CRACKED AND LEAKING. THIS IS DUE TO FAULTY CASTING ON THE CYLINDER HEAD.THE COOLANT IS LEAKING INTO THE HEADS, AND CAUSING THE OIL TO LOSE IT'S ABILITY TO PROTECT THE ENGINE FROM WEAR. I HAVE SEEN THAT THERE ARE MANY PEOPLE WITH THIS ISSUE, AND IT IS A VERY COSTLY REPAIR. *TR
Other 2003 GMC SIERRA Problem Areas
Service Brakes
45 complaints
Electrical System Instrument Clusterpanel
19 complaints
Service Brakes Hydraulic
17 complaints
Power Trainautomatic Transmission
15 complaints
Steering
14 complaints
Service Brakes Hydraulicantilocktraction Controlelectronic Limited Slip
11 complaints
Vehicle Speed Control
10 complaints
Electrical System
8 complaints
Steeringcolumn
6 complaints
Engine And Engine Coolingengine
5 complaints
Power Train
5 complaints
Power Traintransfer Case 4 Wheel Drive
5 complaints
Engine And Engine Cooling
4 complaints
Service Brakes Hydraulicfoundation Componentshoses Linespiping And Fittings
4 complaints
Unknown Or Other
4 complaints
Air Bags
3 complaints
Fuel System Gasoline
3 complaints
Service Brakes Hydraulicfoundation Componentsdiscrotor
3 complaints
Steeringgear Boxshaft Sector
3 complaints
Structurebodytailgatehinge And Attachments
3 complaints
Suspension
3 complaints
Tires
3 complaints
Air Bagsfrontal
2 complaints
Electrical Systemwiring
2 complaints
Fuel System Diesel
2 complaints
Power Traindrivelinedifferential Unit
2 complaints
Seats
2 complaints
Service Brakes Hydraulicfoundation Componentsdiscpads
2 complaints
Steeringlinkages
2 complaints
Structurebody
2 complaints
Tirestreadbelt
2 complaints
Electrical System12v24v48v Battery
1 complaint
Electrical Systemignition
1 complaint
Engine And Engine Coolingexhaust Systememission Controlgas Recirculation Valve Egr Valve
1 complaint
Equipment
1 complaint
Equipmentapplianceair Conditioner
1 complaint
Equipmentelectrical
1 complaint
Exterior Lightingheadlightshighlow Beam Dimmer Switch
1 complaint
Fuel System Gasolinefuel Injection Systeminjectors
1 complaint
Fuel System Otherstoragefuel Gauge System
1 complaint
Fuelpropulsion System
1 complaint
Power Trainautomatic Transmissioncooling Unit And Lines
1 complaint
Power Traindrivelinedriveshaft
1 complaint
Power Traindrivelineuniversal Joint
1 complaint
Power Trainmanual Transmission
1 complaint
Seat Belts
1 complaint
Seat Beltsrearother
1 complaint
Seatsfront Assemblypower Adjust
1 complaint
Service Brakes Electric
1 complaint
Service Brakes Hydraulicantilocktraction Controlelectronic Limited Slipcontrol Unitmodule
1 complaint
Service Brakes Hydraulicantilocktraction Controlelectronic Limited Slipwheel Speed Sensortone Ring
1 complaint
Service Brakes Hydraulicfluid
1 complaint
Steeringcolumn Lockinganti Theft Device
1 complaint
Steeringhydraulic Power Assist System
1 complaint
Steeringhydraulic Power Assistpower Steering Fluid
1 complaint
Structureframe And Members
1 complaint
Suspensionfronthub
1 complaint
Suspensionfrontwheel Bearing
1 complaint
Suspensionrear
1 complaint
Tiressidewall
1 complaint
Vehicle Speed Controlaccelerator Pedal
1 complaint
Vehicle Speed Controlcruise Control
1 complaint
Visibilityglass Siderear
1 complaint
Visibilitywindshield Wiperwasher
1 complaint
Wheels
1 complaint