NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
9 reportsClear category filter90,000 miles · Nov 27, 2018
Engine And Engine Cooling
TL* THE CONTACT OWNS A 2004 GMC SIERRA 2500. WHILE DRIVING APPROXIMATELY 45 MPH, THE CONTACT NOTICED A LOT OF WHITE SMOKE EMERGING FROM THE TAIL PIPE. THE VEHICLE WAS PREVIOUSLY REPAIRED UNDER WARRANTY BY GWATNEY BUICK GMC (5700 LANDERS RD, NORTH LITTLE ROCK, AR 72117) FOR THE SAME FAILURE AS LISTED IN AN UNKNOWN TECHNICAL SERVI…
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TL* THE CONTACT OWNS A 2004 GMC SIERRA 2500. WHILE DRIVING APPROXIMATELY 45 MPH, THE CONTACT NOTICED A LOT OF WHITE SMOKE EMERGING FROM THE TAIL PIPE. THE VEHICLE WAS PREVIOUSLY REPAIRED UNDER WARRANTY BY GWATNEY BUICK GMC (5700 LANDERS RD, NORTH LITTLE ROCK, AR 72117) FOR THE SAME FAILURE AS LISTED IN AN UNKNOWN TECHNICAL SERVICE BULLETIN REGARDING THE FUEL INJECTORS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED FOR THE RECENT FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 90,000.
NHTSA ODI #11154344
38,000 miles · May 31, 2011
Engine And Engine Cooling
LEFT AND RIGHT SIDES REAR EXHAUST MANIFOLD BOLTS BROKEN OFF. IT LEAKS EXHAUST, MAY BE A FIRE HAZARD AND COULD CAUSE EMISSIONS FAILURE AND EMISSIONS COMPONENTS FAILURES. THIS PROBLEM IS ON A 2004 GMC 6.0 ENGINE. NOTICED TICKING NOISE AT ABOUT 38000 MILES AND IT WOULD GO AWAY AFTER 30-45 SECONDS. A GM REP SAID IT WAS MOST LIKE…
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LEFT AND RIGHT SIDES REAR EXHAUST MANIFOLD BOLTS BROKEN OFF. IT LEAKS EXHAUST, MAY BE A FIRE HAZARD AND COULD CAUSE EMISSIONS FAILURE AND EMISSIONS COMPONENTS FAILURES. THIS PROBLEM IS ON A 2004 GMC 6.0 ENGINE. NOTICED TICKING NOISE AT ABOUT 38000 MILES AND IT WOULD GO AWAY AFTER 30-45 SECONDS. A GM REP SAID IT WAS MOST LIKELY THE SKIRT LESS PISTONS AND NOT TO WORRY. HAD SOME WORK DONE AT A GARAGE ABOUT A WEEK AGO AND MECHANIC POINTED OUT THE BROKEN BOLTS. *TR
NHTSA ODI #10403940
60,000 miles · Apr 16, 2011
Engine And Engine Cooling
BOLTS THAT HOLD EXHAUST MANIFOLD ARE BREAKING 3 ARE GONE ALREADY I JUST NOTICED IT TODAY BECAUSE I HEARD AN EXHAUST LEAK UNKNOWN HOW LONG THIS HAS BEEN GOING ON. *TR
NHTSA ODI #10396092
65,000 miles · Jun 22, 2010
Engine And Engine Cooling
BROKEN EXHAUST MANIFOLD BOLTS CAUSING EXCESSIVE NOISE AND EMISSIONS ISSUES. *TR
NHTSA ODI #10339428
8,000 miles · Aug 31, 2009
Electrical SystemEngine And Engine Cooling
LETTER ON BEHALF OF CONSTITUENT REQUESTING ASSISTANCE IN DIFFICULTIES DEALING WITH GM REGARDING A MANUFACTURER'S DEFECT IN THE ELECTRICAL CIRCUITS IN HIS 2004 GMC K2500 PICKUP TRUCK. *NJ THE CONSUMER STATED THE VEHICLE STALLED FOR NO REASON WHILE DRIVING 70 MPH ON THE HIGHWAY. HE LOST ALL ELECTRICAL CIRCUITS, POWER STEERING A…
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LETTER ON BEHALF OF CONSTITUENT REQUESTING ASSISTANCE IN DIFFICULTIES DEALING WITH GM REGARDING A MANUFACTURER'S DEFECT IN THE ELECTRICAL CIRCUITS IN HIS 2004 GMC K2500 PICKUP TRUCK. *NJ THE CONSUMER STATED THE VEHICLE STALLED FOR NO REASON WHILE DRIVING 70 MPH ON THE HIGHWAY. HE LOST ALL ELECTRICAL CIRCUITS, POWER STEERING AND BRAKES. AFTER 45 MINUTES, THE VEHICLE RESTARTED. THE NEXT DAY, THE CONSUMER TOOK THE VEHICLE TO THE DEALER, WHERE THE MECHANIC FOUND LOOSE PINS ON THE WIRING HARNESS CONNECTORS AT C107 AND C108. THE MECHANIC STATED HE DIDN'T BELIEVE THAT WAS THE CAUSE OF THE VEHICLE STALLING, BUT THEY WERE LOOSE. SINCE, THE FIRST FAILURE, THERE HAVE BEEN 10 MORE FAILURES. THE CONSUMER TOOK THE VEHICLE TO ANOTHER DEALER WHERE IT HAS BEEN SINCE JULY 2, 2009 WITHOUT A SPECIFIC CAUSE BEING FOUND.*JB
NHTSA ODI #10283188
45,000 miles · Dec 12, 2008
Electrical SystemEngine And Engine Cooling
SPEEDOMETER STOPPED WORKING AT APPROX 45,000 MI. FOLLOWED BY OIL PRESSURE AND VOLTMETER AT APPROX 60,000 MI. ALSO COOLANT LEAK BEHIND TIMING COVER AT APPROX 50,000 MI. *TR
NHTSA ODI #10251595
Mileage unknown · Aug 2, 2008
Engine And Engine CoolingStructure
EXCESSIVE RUST ON FRAME OF TRUCK, OIL LINES AND GAS LINES ARE CONSTANTLY RUSTING OUT. THE TRUCK IS A GMC K-2500 H D EXTENDED CAB, 2004 WITH 34,500 MILES ON IT. PRESENTLY WAITING FOR THE COOLING LINES FROM THE OIL FILTER TO THE RADIATOR WHICH ARE LEAKING OIL ON THE EXHAUST WHICH COULD CAUSE A FIRE, WHEN DRAINING OIL TO CHANGE IT …
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EXCESSIVE RUST ON FRAME OF TRUCK, OIL LINES AND GAS LINES ARE CONSTANTLY RUSTING OUT. THE TRUCK IS A GMC K-2500 H D EXTENDED CAB, 2004 WITH 34,500 MILES ON IT. PRESENTLY WAITING FOR THE COOLING LINES FROM THE OIL FILTER TO THE RADIATOR WHICH ARE LEAKING OIL ON THE EXHAUST WHICH COULD CAUSE A FIRE, WHEN DRAINING OIL TO CHANGE IT THE OIL [REMOVING THE PLUG] FOLLOWS ONTO THE HOT EXHAUST PIPE,ANOTHER FIRE HAZARD. WHAT CAN BE DONE, CAN'T AFFORD ANOTHER TRUCK NOW. *TR
NHTSA ODI #10236716
Mileage unknown · Dec 28, 2006
Engine And Engine CoolingFuel System, Other
2002 CHEVROLET DURAMAX 3/4 TON PICK-UP FUEL SYSTEM PROBLEMS**CC THE CONSUMER STATED THE VEHICLE WAS HARD TO START, AND HAD LOW POWER. THE DEALER REPLACED THE FUEL INJECTION PUMP, THE TRUCK RAN BETTER, BUT IT STILL WAS NOT RIGHT. THE WATER PUMP WAS REPLACED. *JB
NHTSA ODI #10178528
53,000 miles · Sep 2, 2006
Engine And Engine CoolingPower Train
FLYWHEEL ON FOUR LOCALLY OWNED GM TRUCKS WERE REPORTED BEING CRACKED OR BROKEN. OLD PARTS ARE AVAIL. SINCE THEN SPEEDOMETER DOESN'T WORK PROPERLY AND I AM TOLD THERE'S NO PROBLEM. *JB
NHTSA ODI #10167270
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