2006 CHEVY SILVERADO 2500 HD W/ALLISON TRANS. TRANSMISSION LEAK. TOOK TRUCK TO DEAL, DEAL FIX 1 OUT OF 3 LINES UNDER WARRANTY. 4000 MILES AFTER DEALER FIXED FIRST LINE, 2 OTHER STARTED LEAKING, DEAL WOULD NOT FIX OTHER 2 LINES STATING TRUCK WAS NO LONGER UNDER WARRANTY. GMC SHOULD RECALL THE VEHICLE BASE ON POSSIBLE FIRE. *TR
2006 Chevrolet Silverado 2500
Owner reports · Recalls · Investigations
More warning signs than most Silverado 2500 years
Owner complaints for the 2006 Chevrolet Silverado 2500 are substantially higher than the model-year median of 81.
About this comparison →How this year compares
Owner complaints by model year
Compare all Silverado 2500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
165 reports with mileage · 12 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes. Review the 46 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
177 reportsTL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 2500. WHILE DRIVING APPROXIMATELY 40 MPH ON NORMAL ROAD CONDITIONS, THE CONTACT HEARD A LOUD WHISTLING NOISE COMING FROM THE INSTRUMENT PANEL ON THE PASSENGER SIDE. THERE WERE NO WARNING INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER…
Read full complaint
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 2500. WHILE DRIVING APPROXIMATELY 40 MPH ON NORMAL ROAD CONDITIONS, THE CONTACT HEARD A LOUD WHISTLING NOISE COMING FROM THE INSTRUMENT PANEL ON THE PASSENGER SIDE. THERE WERE NO WARNING INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION, BUT THEY WERE UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. IT WAS SUGGESTED THAT THE FAILURE COULD POSSIBLY HAVE BEEN RELATED TO THE HEATER CORE GASKET. ON FIVE SEPARATE OCCASIONS, THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR IDENTICAL FAILURES, BUT THERE WERE NO RESOLUTIONS. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 8,000 AND CURRENT MILEAGE WAS 21,700. UPDATED 04/21/09.*JB
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 3500. WHILE DRIVING BETWEEN 55-60 MPH ON NORMAL ROAD CONDITIONS, THE VEHICLE VIBRATED UNEXPECTEDLY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION AND THEY STATED THAT THE TORQUE CAUSED SEPARATION OF THE CENTRAL DIFFERENTIAL. THE VEHICLE WAS REPAIRED. IN ADDITION, …
Read full complaint
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 3500. WHILE DRIVING BETWEEN 55-60 MPH ON NORMAL ROAD CONDITIONS, THE VEHICLE VIBRATED UNEXPECTEDLY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION AND THEY STATED THAT THE TORQUE CAUSED SEPARATION OF THE CENTRAL DIFFERENTIAL. THE VEHICLE WAS REPAIRED. IN ADDITION, THE MAINFRAME CRACKED IN HALF, BUT WAS NOT REPAIRED. THE FAILURE WAS POSSIBLY CONTRIBUTED TO THE WEIGHT OF THE SNOWPLOWS OR DIESEL. THE VIN WAS UNKNOWN. THE FAILURE AND CURRENT MILEAGES WERE UNAVAILABLE.
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 2500. THE CONTACT PLACED A SNOW PLOW ON THE VEHICLE. WHILE DRIVING 10 MPH, THE FRONT DIFFERENTIALS AND AXLES FAILED. THE CONTACT CALLED THE GM MANUFACTURER AND THEY STATED THAT HE SHOULD HAVE NOT PLACED A SNOW PLOW ON A DIESEL VEHICLE. THE CONTACT FEELS THAT THE VEHICLE IS UNSA…
Read full complaint
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 2500. THE CONTACT PLACED A SNOW PLOW ON THE VEHICLE. WHILE DRIVING 10 MPH, THE FRONT DIFFERENTIALS AND AXLES FAILED. THE CONTACT CALLED THE GM MANUFACTURER AND THEY STATED THAT HE SHOULD HAVE NOT PLACED A SNOW PLOW ON A DIESEL VEHICLE. THE CONTACT FEELS THAT THE VEHICLE IS UNSAFE BECAUSE HE IS UNABLE TO STEER. THE VIN WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 50,000.
TL*THE CONTACT OWNS A 2006 CHEVROLET 2500 HD. WHILE DRIVING DOWNHILL BETWEEN 30-50 MPH, THE TRANSMISSION BEGAN SHIFTING OUT OF GEAR UNEXPECTEDLY WHEN THE BRAKE PEDAL WAS DEPRESSED. THE ROAD SURFACE WAS ICY. THE CHECK ENGINE WARNING INDICATOR ILLUMINATED ON THE INSTRUMENT PANEL AND REMAINED ILLUMINATED UNTIL THE ENGINE WAS TUR…
Read full complaint
TL*THE CONTACT OWNS A 2006 CHEVROLET 2500 HD. WHILE DRIVING DOWNHILL BETWEEN 30-50 MPH, THE TRANSMISSION BEGAN SHIFTING OUT OF GEAR UNEXPECTEDLY WHEN THE BRAKE PEDAL WAS DEPRESSED. THE ROAD SURFACE WAS ICY. THE CHECK ENGINE WARNING INDICATOR ILLUMINATED ON THE INSTRUMENT PANEL AND REMAINED ILLUMINATED UNTIL THE ENGINE WAS TURNED OFF. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING AND THEY STATED THAT THE FAILURE WAS RELATED TO A BLOCKED HEATER CORD. THE VEHICLE WAS REPAIRED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 37,000 AND CURRENT MILEAGE WAS 37,400.
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 2500 HD. THE CONTACT NOTICED HYDRAULIC FLUID LEAKING FROM THE HYDRO BOOST LINES. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT THE HYDRO BOOST LINES FAILED AND CAUSED THE LEAK. THE CONTACT WAS INFORMED THAT IF TOO MUCH FLUID WAS LOST, THE BRAKING SYSTEM WOULD COMPLETEL…
Read full complaint
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 2500 HD. THE CONTACT NOTICED HYDRAULIC FLUID LEAKING FROM THE HYDRO BOOST LINES. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT THE HYDRO BOOST LINES FAILED AND CAUSED THE LEAK. THE CONTACT WAS INFORMED THAT IF TOO MUCH FLUID WAS LOST, THE BRAKING SYSTEM WOULD COMPLETELY FAIL. THE VEHICLE WAS REPAIRED AT THE COST OF $1,037.54. THE MANUFACTURER STATED THAT THERE WAS A RECALL REGARDING THE FAILURE, BUT NO COMPENSATION WOULD BE PROVIDED BECAUSE THE VIN WAS EXCLUDED. THE FAILURE MILEAGE WAS 56,456 AND CURRENT MILEAGE WAS 56,600. UPDATED 03/09/09.*LJ UPDATED 03/11/09.*JB
MY CHEVY DIESEL PICK-UP TRUCK DIES FOR 2-3 SECONDS WHEN DRIVING AT MEDIUM SPEEDS (50MPH) AND I FLOOR THE THROTTLE. 2 DEALERS HAVE TOLD ME THIS IS NORMAL, IT IS A LAG DUE TO THE TURBO. EVERYONE ELSE I TALK TO THAT HAS THIS TRUCK TELLS ME THEY HAVE THE SAME PROBLEM. HOWEVER, FORD AND DODGE DIESEL TRUCKS WITH TURBOS DO NOT HAVE THI…
Read full complaint
MY CHEVY DIESEL PICK-UP TRUCK DIES FOR 2-3 SECONDS WHEN DRIVING AT MEDIUM SPEEDS (50MPH) AND I FLOOR THE THROTTLE. 2 DEALERS HAVE TOLD ME THIS IS NORMAL, IT IS A LAG DUE TO THE TURBO. EVERYONE ELSE I TALK TO THAT HAS THIS TRUCK TELLS ME THEY HAVE THE SAME PROBLEM. HOWEVER, FORD AND DODGE DIESEL TRUCKS WITH TURBOS DO NOT HAVE THIS PROBLEM UNLESS THE TURBO IS DEFECTIVE. ALSO I HAVE BEEN TOLD BY SOME PEOPLE WHO ADD A CHIP AND ADJUSTED SUCH THINGS AS SHIFT POINTS ETC. THIS PROBLEM GOES ALWAYS IN 45 YEARS OF DRIVING MANY VEHICLES I HAVE NEVER ENCOUNTERED SUCH A SAFETY ISSUE. THIS NEEDS TO BE CORRECTED. *TR
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 2500. THE CONTACT FILED A COMPLAINT TWO YEARS AGO REGARDING THE ABS LOCKING UP IN RAINY CONDITIONS. ALL FOUR OF HIS TIRES LOCKED WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT DROVE THROUGH TWO BUSHES AND STRUCK A LARGE TRAFFIC LIGHT POLE. THE VEHICLE SUSTAINED $7,000 WORTH OF …
Read full complaint
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO 2500. THE CONTACT FILED A COMPLAINT TWO YEARS AGO REGARDING THE ABS LOCKING UP IN RAINY CONDITIONS. ALL FOUR OF HIS TIRES LOCKED WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT DROVE THROUGH TWO BUSHES AND STRUCK A LARGE TRAFFIC LIGHT POLE. THE VEHICLE SUSTAINED $7,000 WORTH OF DAMAGES. A POLICE REPORT WAS FILED. THE CONTACT HAS BEEN IN AND OUT OF THE HOSPITAL SINCE THE CRASH. THE MANUFACTURER RECALLED THE VEHICLES IN THE NORTH OF THE UNITED STATES, BUT NOT THE SOUTH. THE CONTACT HAS A LAWYER AND SPOKE WITH THE CHEVROLET MANUFACTURER REGARDING THE BRAKE FAILURE. HE NO LONGER DRIVES THE VEHICLE IN THE RAIN. THE FAILURE MILEAGE WAS 16,000.
2006 CHEVROLET 2500 PICK-UP W/8.1 MOTOR. FIRST THERE WAS FAULTY HOSES CAUSING LOW OIL WARNING TO COME ON. NOW ENGINE IS LOW ON OIL WITH 1800 MILES SINCE LAST OIL CHANGE. HAD TO PUT IN 1 1/4 QUART OF OIL. AFTER ENGINE BREAK IN. I SWITCHED TO MOBILE 1 5W30 SYNETHIC. A RECOMMENDED OIL TO USE BY CHEVROLET. DEALERS SERVICE DEP…
Read full complaint
2006 CHEVROLET 2500 PICK-UP W/8.1 MOTOR. FIRST THERE WAS FAULTY HOSES CAUSING LOW OIL WARNING TO COME ON. NOW ENGINE IS LOW ON OIL WITH 1800 MILES SINCE LAST OIL CHANGE. HAD TO PUT IN 1 1/4 QUART OF OIL. AFTER ENGINE BREAK IN. I SWITCHED TO MOBILE 1 5W30 SYNETHIC. A RECOMMENDED OIL TO USE BY CHEVROLET. DEALERS SERVICE DEPT. SAYS ITS SUPPOSE TO USE A QUART TO 2000MILES. I DON'T BELIEVE THAT WITH THE MODERN TECHNOLOGY OF ENGINES. MAYBE YEARS AGO BUT NOT NOW. IF THAT'S THE CASE THEN CHEVROLET SHOULD HAVE SAID THIS ENGINE USES OIL. I GUARANTEE YOU NOT MANY WOULD HAVE BEEN SOLD. *TR
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO K2500 HD. WHILE DRIVING APPROXIMATELY 50 MPH, THE BRAKES FAILED WHEN THE CONTACT DEPRESSED THE BRAKE PEDAL. HE WAS ABLE TO BRING THE VEHICLE TO A STOP BY APPLYING THE EMERGENCY BRAKE. THE DEALER STATED THAT THE BRAKE LINE FAILED DUE TO DEFECTIVE WELDING OF THE REAR DRIVER'S SIDE …
Read full complaint
TL*THE CONTACT OWNS A 2006 CHEVROLET SILVERADO K2500 HD. WHILE DRIVING APPROXIMATELY 50 MPH, THE BRAKES FAILED WHEN THE CONTACT DEPRESSED THE BRAKE PEDAL. HE WAS ABLE TO BRING THE VEHICLE TO A STOP BY APPLYING THE EMERGENCY BRAKE. THE DEALER STATED THAT THE BRAKE LINE FAILED DUE TO DEFECTIVE WELDING OF THE REAR DRIVER'S SIDE BRAKE SHOCK ABSORBER. THE VEHICLE WAS TAKEN TO A DEALER AND THEY PARTIALLY REPAIRED THE BRAKES. THE CONTACT TOOK THE VEHICLE TO A SECOND DEALER AND THEY STATED THAT THE BRAKE LINE WAS PARTIALLY WELDED AND THE FAILURE COULD RECUR AT ANY MOMENT. THEY FURTHER STATED THAT THERE WAS NO EVIDENCE THAT THE VEHICLE WAS DRIVEN ON ROUGH TERRAIN; HOWEVER, IT WAS A FACTORY DEFECT. THE MANUFACTURER TOOK A REPORT, BUT WILL NOT AUTHORIZE THE DEALER TO COMPLETE THE WELDING REPAIR. THE FAILURE MILEAGE WAS 29,000 AND CURRENT MILEAGE WAS 34,639.
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
Illustration