NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
45 reportsClear category filterMileage unknown · Aug 3, 2001
Power TrainInjury
I HAVE BEEN TRYING TO GET THE TRUCK REPAIRED BY NUMEROUS DEALERS SINCE THE DAY WE BOUGHT IT. THE TRUCK HAD 823 MILES ON IT WHEN WE BOUGHT IT "NEW" LATER ON FOUND OUT IT WAS A "DEMO". ARBITRATION DID NOTHING. WE STILL HAVE THE SHAKING TRUCK. OUT OF DESPIRATION FROM THE VEHICLE SHAKING VIOLENTLY, CAUSING ME TO PASS BLOODY STOOLS,…
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I HAVE BEEN TRYING TO GET THE TRUCK REPAIRED BY NUMEROUS DEALERS SINCE THE DAY WE BOUGHT IT. THE TRUCK HAD 823 MILES ON IT WHEN WE BOUGHT IT "NEW" LATER ON FOUND OUT IT WAS A "DEMO". ARBITRATION DID NOTHING. WE STILL HAVE THE SHAKING TRUCK. OUT OF DESPIRATION FROM THE VEHICLE SHAKING VIOLENTLY, CAUSING ME TO PASS BLOODY STOOLS, I DECIDED TO REPLACE THE DIFFERENTIAL MYSELF. IT SEEMS TO HAVE CURED THE PROBLEM. NOW THAT THE DIFFERENTIAL IS OUT, I CAN SEE THAT IT IS BENT AND THE AXLES CRYSTALIZING DUE TO THE VIOLENT SHAKING. CHEVROLET DEALERS NOW SAY THAT I HAVE "VOIDED" MY 3 YR 36,000 MILE WARRANTY. SEVERAL CHEVROLET SERVICE CONSULTANTS RUDE AND THREATENING TO HANG UP ON ME. I DID HAVE A VERY GOOD SERVICE CONSULTANT WHOM I HAVE SPOKEN TO LATELY WHO WAS SHOCKED AT MY ORDEAL AND AGREES WITH ME THAT THIS IS A SAFETY ISSUE. I AM NOW TRYING TO GET REIMBURSED FOR MY OUT-OF-POCKET EXPENSES ON MY "WARRANTIED" VEHICLE. I DO NOT WISH TO BE REIMBURSED FOR MY TIME, DIAGNOSING AND REPAIRING THIS TRUCK, BUT PERHAPS THE PROBLEM SHOULD BE AKNOWLEDGED BY CHEVROLET AND SOMEHOW REIMBURSED BY THEM. IF I HAD NOT CHANGED THE DIFFERENTIAL MYSELF, I FEEL THAT IT SURELY WOULD HAVE CAUSED A MAJOR ACCIDENT AND DEATHS DUE TO THE FAILURE OF CHEVROLET NOT TAKING CARE OF THIS. I FEEL THAT BEFORE WE BOUGHT THIS TRUCK, SOMEONE REALLY ROMPED IT THROUGH THE DESERT. IT HAD REALLY LARGE TIRES ON IT THAT WE HAD THE DEALER CHANGE TO WHAT WAS RECCOMENDED ON THE DOOR PANEL. WE ASKED A MECHANIC WHO WORKS ON TRUCKS ALL THE TIME HOW THE AXLE AND DIFFERENTIAL COULD HAVE GOTTEN BENT LIKE THAT. HIS RESPONSE WAS, "THEY PROBABLY DROVE IT OFF A CLIFF". THERE ARE NUMEROUS COMPLAINTS TO CHEVROLET REGARDING THIS TRUCK. THEY HAVE A COMPLETE HISTORY OF OUR COMPLAINTS AFTER WE BOUGHT IT. THERE WERE NO RECORDS BEFORE WE BOUGHT IT. PERHAPS THEY REPAIRED THE VEHICLE THEMSELVES AND DIDN'T HAVE TO REPORT WHAT HAD HAPPENED TO IT. IF YOU WOULD LIKE TO DISCUSS THE TRUCK IN DEPTH, PLEASE CALL ME AT THE NUMBER I LISTED BEFORE.*AK
NHTSA ODI #749788
Mileage unknown · Jul 16, 2001
Power Train
VEHICLE SHUDDERS WHEN BRAKING FROM HIGH SPEEDS, AND PULLS TO THE SIDE WHEN BRAKING FROM LOW SPEEDS, VEHICLE WAS INSPECTED AND IT WAS DETERMINED THAT THE RIGHT FRONT HUB LEAKED GREASE ON THE PAD AND BRAKE DRUM RENDERING THE BRAKES USELESS, THE CAUSE WAS A SEAL LEAKING, FOUR MONTHS LATER CONSUMER EXPERIENCED PROBLEMS AGAIN, MECHAN…
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VEHICLE SHUDDERS WHEN BRAKING FROM HIGH SPEEDS, AND PULLS TO THE SIDE WHEN BRAKING FROM LOW SPEEDS, VEHICLE WAS INSPECTED AND IT WAS DETERMINED THAT THE RIGHT FRONT HUB LEAKED GREASE ON THE PAD AND BRAKE DRUM RENDERING THE BRAKES USELESS, THE CAUSE WAS A SEAL LEAKING, FOUR MONTHS LATER CONSUMER EXPERIENCED PROBLEMS AGAIN, MECHANIC FOUND THAT BOTH REAR AXLE SEALS HAD LEAKED GREASE/OIL ON BOTH REAR BRAKES RENDERING THEN USELESS AND CAUSING EXCESSIVE WEAR ON THE FRONT BRAKES, CONSUMER REQUESTED THAT THE REAR AXLE BE REPLACED ENTIRELY WHICH WOULD PROBABLY ELIMINATE THE BRAKE FAILURE, HOWEVER DEALER STATED THAT THEY ONLY REPLACED THE AXLE SEALS.*JB
NHTSA ODI #562083
Mileage unknown · Jun 5, 2001
Power Train
WHILE DRIVING ABOUT 30 MPH TRANSMISSION WENT OUT, NO PRIOR WARNING, MILEAGE AT THE TIME WAS 27000. *AL
NHTSA ODI #889759
Mileage unknown · May 15, 2001
Power Train
WHEN TAKING OFF OR STOPPING THERES A SQUEALING NOISE COMING FROM REAR. TOOK VEHICLE TO DEALER, AND THEY SAID DRIVESHAFT NEEDED TO BE LUBED. *AK
NHTSA ODI #888293
Mileage unknown · Apr 9, 2001
Power TrainService Brakes, Air
THE FLOATING DRIVESHAFT WAS INADEQUATELY LUBED CAUSING A POPPING NOISE AT THE DRIVESHAFT YOKE, THE CONSUMER BELIEVES THIS PROBLEM CAUSED DAMAGE TO THE TRANSMISSION. NLM
NHTSA ODI #560722
Mileage unknown · Mar 23, 2001
Power Train
THE TRANSMISSION FAILED WHILE DRIVING. NLM
NHTSA ODI #560506
Mileage unknown · Feb 3, 2001
Power Train
TRANSMISSION STUCK IN 3RD GEAR. UPON DEALER DIAGNOSIS THEY FOUND TRANSMISSION HARNESS CHAFED WITHIN THE TRANSMISSION HOUSING. THIS COMPONENT IS NOT EXPOSED TO OUTSIDE ELEMENTS. BECAUSE IT IS WIRING WITH NO EXPOSURE, THE INSULATION ON THE WIRE SHOULD NOT DETERIORATE UNLESS SUBJECTED TO EXTREME HIGH TEMPERATURES OR RUBBING. *A…
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TRANSMISSION STUCK IN 3RD GEAR. UPON DEALER DIAGNOSIS THEY FOUND TRANSMISSION HARNESS CHAFED WITHIN THE TRANSMISSION HOUSING. THIS COMPONENT IS NOT EXPOSED TO OUTSIDE ELEMENTS. BECAUSE IT IS WIRING WITH NO EXPOSURE, THE INSULATION ON THE WIRE SHOULD NOT DETERIORATE UNLESS SUBJECTED TO EXTREME HIGH TEMPERATURES OR RUBBING. *AK
NHTSA ODI #740362
Mileage unknown · Jan 29, 2001
Power Train
THE VEHICLES DRIVETRAIN CAUSES VIBRATION. NLM
NHTSA ODI #785000
Mileage unknown · Nov 2, 2000
Power Train
THE 10/22/00 DEFECT WAS TAKEN TO A CHEVROLET DEALER IN MICHIGAN. IT WAS FIXED AND WE GOT THE VEHICLE BACK ON 10/27/00. ON OUR TRIP BACK TO INDIANA ON 10/30/00, THE DIFFERENTIAL FLUID WAS FLYING OUT AND IT STARTED THE HIGH PITCH HUMMING AGAIN. THAT WAS BASICALLY TWICE IT WENT OUT IN ONE WEEK! AS OF THIS DATE, 11/2/00, IT IS B…
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THE 10/22/00 DEFECT WAS TAKEN TO A CHEVROLET DEALER IN MICHIGAN. IT WAS FIXED AND WE GOT THE VEHICLE BACK ON 10/27/00. ON OUR TRIP BACK TO INDIANA ON 10/30/00, THE DIFFERENTIAL FLUID WAS FLYING OUT AND IT STARTED THE HIGH PITCH HUMMING AGAIN. THAT WAS BASICALLY TWICE IT WENT OUT IN ONE WEEK! AS OF THIS DATE, 11/2/00, IT IS BACK TO A DEALER IN BLOOMINGTON, INDIANA. *AK
NHTSA ODI #735606
Mileage unknown · Sep 28, 2000
Power Train
ALL OF THE GEARINGS HAD TO BE REPLACED TWO TIMES. FIRST REPLACEMENT WAS AT 10000 MILES. DEALERSHIP HAS ADVISED THAT PROBLEM EXISTED BECAUSE WEIGHT LIMIT WAS EXCEEDED. CONSUMER WAS NOT EXCEEDING WEIGHT LIMIT. *AK RIGHT REAR AXLE SEAL AND ANOTHER SEAL ON DRIVE SHAFT FAILED. *YH
NHTSA ODI #871779
NHTSA investigations
5PE05020 · Unwanted LOW-SPEED Abs Activation
Opened Apr 28, 2005 · Closed Sep 13, 2005
Status: closed (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip; Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module
IN A LETTER DATED AUGUST 29, 2005, GM NOTIFIED ODI THAT IT WAS RECALLING CERTAIN MODEL YEAR 1999 THROUGH 2002 C/K PICKUP TRUCKS AND SPORT UTILITY VEHICLES TO CORRECT A PROBLEM WITH ANTI-LOCK BRAKE SYSTEM (ABS) WHEEL SPEED SENSOR CORROSION THAT MAY RESULT IN UNWANTED ABS ACTIVATION AND EXTENDED STOPPING DISTANCES DURING LOW-SPEED BRAKING (RECALL 05V-379).GM'S RECALL COVERS APPROXIMATELY 804,000 VEHICLES CURRENTLY REGISTERED IN THE FOLLOWING 14 SALT-BELT STATES:CONNECTICUT, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, AND WEST VIRGINIA.THE RECALL PROCEDURE WILL INVOLVE REMOVING THE SENSOR, CLEANING THE MOUNTING SURFACE, APPLYING A RUST INHIBITOR (ZINC-X) TO THE SURFACE, AND REINSTALLING THE SENSOR.IF NECESSARY, THE SENSOR WILL BE REPLACED. THE POPULATION AND FAILURE REPORT DATA GIVEN IN THIS RESUME ARE FOR THE FULL REGION THAT HAS BEEN CONSIDERED BY ODI AS THE SALT-BELT.THAT INCLUDES DELAWARE, IOWA, MARYLAND, MINNESOTA, MISSOURI, WISCONSIN AND THE DISTRICT OF COLUMBIA IN ADDITION TO THE 14 STATES INCLUDED IN 05V-379.THE STATES COVERED BY GM'S RECALL HAVE THE HIGHEST INCIDENT RATES FOR THE SUBJECT CONDITION, ACCOUNTING FOR 91% OF THE INCIDENTS, BUT ONLY 24% OF SUBJECT VEHICLE SALES IN THE UNITED STATES.ODI'S ANALYSIS DETERMINED THAT 840 OF THE COMPLAINTS, 244 OF THE CRASHES, AND 16 OF THE INJURIES IDENTIFIED IN THIS INVESTIGATION OCCURRED IN THOSE STATES.THE RESULTING INCIDENT AND CRASH RATES ARE 96.2 AND 28.0 PER 100,000 VEHICLES RESPECTIVELY (NOTE:RATES ARE BASED ON VEHICLE SALES, NOT REGISTERED VEHICLES). THE CORRESPONDING NUMBERS IN THE EXCLUDED PORTIONS OF THE SALT-BELT ARE 399,000 VEHICLES, 81 INCIDENTS (20.3 PER 100,000 VEHICLES), 3 CRASHES, AND NO INJURIES.THE STATISTICS IN THE REMAINING 30 STATES ARE 2,406,000 VEHICLES, 168 INCIDENTS (7.0 PER 100,000 VEHICLES), 31 CRASHES, AND ONE INJURY.GM AND ODI ARE CONTINUING TO MONITOR THE PROBLEM EXPERIENCE IN STATES THAT ARE NOT INCLUDED IN THE RECALL.GM WILL PROVIDE ODI WITH UPDATED COMPLAINT, FIELD REPORT, AND WARRANTY DATA IN NOVEMBER 2005.ODI AND GM WILL REVIEW THAT DATA AND ASSESS THE APPROPRIATENESS OF THE CURRENT SCOPE OF THE RECALL AT THAT TIME.
Additional source detail variants (2)
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module
IN A LETTER DATED AUGUST 29, 2005, GM NOTIFIED ODI THAT IT WAS RECALLING CERTAIN MODEL YEAR 1999 THROUGH 2002 C/K PICKUP TRUCKS AND SPORT UTILITY VEHICLES TO CORRECT A PROBLEM WITH ANTI-LOCK BRAKE SYSTEM (ABS) WHEEL SPEED SENSOR CORROSION THAT MAY RESULT IN UNWANTED ABS ACTIVATION AND EXTENDED STOPPING DISTANCES DURING LOW-SPEED BRAKING (RECALL 05V-379).GM'S RECALL COVERS APPROXIMATELY 804,000 VEHICLES CURRENTLY REGISTERED IN THE FOLLOWING 14 SALT-BELT STATES:CONNECTICUT, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, AND WEST VIRGINIA.THE RECALL PROCEDURE WILL INVOLVE REMOVING THE SENSOR, CLEANING THE MOUNTING SURFACE, APPLYING A RUST INHIBITOR (ZINC-X) TO THE SURFACE, AND REINSTALLING THE SENSOR.IF NECESSARY, THE SENSOR WILL BE REPLACED. THE POPULATION AND FAILURE REPORT DATA GIVEN IN THIS RESUME ARE FOR THE FULL REGION THAT HAS BEEN CONSIDERED BY ODI AS THE SALT-BELT.THAT INCLUDES DELAWARE, IOWA, MARYLAND, MINNESOTA, MISSOURI, WISCONSIN AND THE DISTRICT OF COLUMBIA IN ADDITION TO THE 14 STATES INCLUDED IN 05V-379.THE STATES COVERED BY GM'S RECALL HAVE THE HIGHEST INCIDENT RATES FOR THE SUBJECT CONDITION, ACCOUNTING FOR 91% OF THE INCIDENTS, BUT ONLY 24% OF SUBJECT VEHICLE SALES IN THE UNITED STATES.ODI'S ANALYSIS DETERMINED THAT 840 OF THE COMPLAINTS, 244 OF THE CRASHES, AND 16 OF THE INJURIES IDENTIFIED IN THIS INVESTIGATION OCCURRED IN THOSE STATES.THE RESULTING INCIDENT AND CRASH RATES ARE 96.2 AND 28.0 PER 100,000 VEHICLES RESPECTIVELY (NOTE:RATES ARE BASED ON VEHICLE SALES, NOT REGISTERED VEHICLES). THE CORRESPONDING NUMBERS IN THE EXCLUDED PORTIONS OF THE SALT-BELT ARE 399,000 VEHICLES, 81 INCIDENTS (20.3 PER 100,000 VEHICLES), 3 CRASHES, AND NO INJURIES.THE STATISTICS IN THE REMAINING 30 STATES ARE 2,406,000 VEHICLES, 168 INCIDENTS (7.0 PER 100,000 VEHICLES), 31 CRASHES, AND ONE INJURY.GM AND ODI ARE CONTINUING TO MONITOR THE PROBLEM EXPERIENCE IN STATES THAT ARE NOT INCLUDED IN THE RECALL.GM WILL PROVIDE ODI WITH UPDATED COMPLAINT, FIELD REPORT, AND WARRANTY DATA IN NOVEMBER 2005.ODI AND GM WILL REVIEW THAT DATA AND ASSESS THE APPROPRIATENESS OF THE CURRENT SCOPE OF THE RECALL AT THAT TIME.
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip
IN A LETTER DATED AUGUST 29, 2005, GM NOTIFIED ODI THAT IT WAS RECALLING CERTAIN MODEL YEAR 1999 THROUGH 2002 C/K PICKUP TRUCKS AND SPORT UTILITY VEHICLES TO CORRECT A PROBLEM WITH ANTI-LOCK BRAKE SYSTEM (ABS) WHEEL SPEED SENSOR CORROSION THAT MAY RESULT IN UNWANTED ABS ACTIVATION AND EXTENDED STOPPING DISTANCES DURING LOW-SPEED BRAKING (RECALL 05V-379).GM'S RECALL COVERS APPROXIMATELY 804,000 VEHICLES CURRENTLY REGISTERED IN THE FOLLOWING 14 SALT-BELT STATES:CONNECTICUT, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, AND WEST VIRGINIA.THE RECALL PROCEDURE WILL INVOLVE REMOVING THE SENSOR, CLEANING THE MOUNTING SURFACE, APPLYING A RUST INHIBITOR (ZINC-X) TO THE SURFACE, AND REINSTALLING THE SENSOR.IF NECESSARY, THE SENSOR WILL BE REPLACED. THE POPULATION AND FAILURE REPORT DATA GIVEN IN THIS RESUME ARE FOR THE FULL REGION THAT HAS BEEN CONSIDERED BY ODI AS THE SALT-BELT.THAT INCLUDES DELAWARE, IOWA, MARYLAND, MINNESOTA, MISSOURI, WISCONSIN AND THE DISTRICT OF COLUMBIA IN ADDITION TO THE 14 STATES INCLUDED IN 05V-379.THE STATES COVERED BY GM'S RECALL HAVE THE HIGHEST INCIDENT RATES FOR THE SUBJECT CONDITION, ACCOUNTING FOR 91% OF THE INCIDENTS, BUT ONLY 24% OF SUBJECT VEHICLE SALES IN THE UNITED STATES.ODI'S ANALYSIS DETERMINED THAT 840 OF THE COMPLAINTS, 244 OF THE CRASHES, AND 16 OF THE INJURIES IDENTIFIED IN THIS INVESTIGATION OCCURRED IN THOSE STATES.THE RESULTING INCIDENT AND CRASH RATES ARE 96.2 AND 28.0 PER 100,000 VEHICLES RESPECTIVELY (NOTE:RATES ARE BASED ON VEHICLE SALES, NOT REGISTERED VEHICLES). THE CORRESPONDING NUMBERS IN THE EXCLUDED PORTIONS OF THE SALT-BELT ARE 399,000 VEHICLES, 81 INCIDENTS (20.3 PER 100,000 VEHICLES), 3 CRASHES, AND NO INJURIES.THE STATISTICS IN THE REMAINING 30 STATES ARE 2,406,000 VEHICLES, 168 INCIDENTS (7.0 PER 100,000 VEHICLES), 31 CRASHES, AND ONE INJURY.GM AND ODI ARE CONTINUING TO MONITOR THE PROBLEM EXPERIENCE IN STATES THAT ARE NOT INCLUDED IN THE RECALL.GM WILL PROVIDE ODI WITH UPDATED COMPLAINT, FIELD REPORT, AND WARRANTY DATA IN NOVEMBER 2005.ODI AND GM WILL REVIEW THAT DATA AND ASSESS THE APPROPRIATENESS OF THE CURRENT SCOPE OF THE RECALL AT THAT TIME.
PE03026 · Steel Wheel Rim Fracture
Opened Jun 12, 2003 · Closed Nov 3, 2003
Status: closed (inferred from source dates) · Wheels; Wheels:multi Piece; Wheels:rim
THERE HAVE BEEN LESS THAN 2 COMPLAINTS PER 100,000 SUBJECT VEHICLES RELATED TO THE ALLEGED DEFECT.THE OLDEST VEHICLES (MY 1999) HAVE ONLY 2 COMPLAINTS IN OVER 140 THOUSAND VEHICLES AFTER OVER 4 YEARS IN SERVICE.THE RATE OF WARRANTY CLAIMS POTENTIALLY RELATED TO THE ALLEGED DEFECT IS LESS THAN 0.1%.THERE ARE NO KNOWN INCIDENTS INVOLVING RAPID LOSS OF TIRE PRESSURE OR LOSS OF VEHICLE CONTROL. A DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Additional source detail variants (3)
Wheels
THERE HAVE BEEN LESS THAN 2 COMPLAINTS PER 100,000 SUBJECT VEHICLES RELATED TO THE ALLEGED DEFECT.THE OLDEST VEHICLES (MY 1999) HAVE ONLY 2 COMPLAINTS IN OVER 140 THOUSAND VEHICLES AFTER OVER 4 YEARS IN SERVICE.THE RATE OF WARRANTY CLAIMS POTENTIALLY RELATED TO THE ALLEGED DEFECT IS LESS THAN 0.1%.THERE ARE NO KNOWN INCIDENTS INVOLVING RAPID LOSS OF TIRE PRESSURE OR LOSS OF VEHICLE CONTROL. A DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Wheels:multi Piece
THERE HAVE BEEN LESS THAN 2 COMPLAINTS PER 100,000 SUBJECT VEHICLES RELATED TO THE ALLEGED DEFECT.THE OLDEST VEHICLES (MY 1999) HAVE ONLY 2 COMPLAINTS IN OVER 140 THOUSAND VEHICLES AFTER OVER 4 YEARS IN SERVICE.THE RATE OF WARRANTY CLAIMS POTENTIALLY RELATED TO THE ALLEGED DEFECT IS LESS THAN 0.1%.THERE ARE NO KNOWN INCIDENTS INVOLVING RAPID LOSS OF TIRE PRESSURE OR LOSS OF VEHICLE CONTROL. A DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Wheels:rim
THERE HAVE BEEN LESS THAN 2 COMPLAINTS PER 100,000 SUBJECT VEHICLES RELATED TO THE ALLEGED DEFECT.THE OLDEST VEHICLES (MY 1999) HAVE ONLY 2 COMPLAINTS IN OVER 140 THOUSAND VEHICLES AFTER OVER 4 YEARS IN SERVICE.THE RATE OF WARRANTY CLAIMS POTENTIALLY RELATED TO THE ALLEGED DEFECT IS LESS THAN 0.1%.THERE ARE NO KNOWN INCIDENTS INVOLVING RAPID LOSS OF TIRE PRESSURE OR LOSS OF VEHICLE CONTROL. A DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
EA02015 · Throttle Sticking Closed
Opened Aug 1, 2002 · Closed Jan 12, 2004
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
THIS INVESTIGATION INVOLVES THE GENERAL MOTORS CORPORATION (GM)THROTTLE BODY (TB) UTILIZED IN MODEL YEAR (MY) 1999-2002 SILVERADO, SIERRA, TAHOE, SUBURBAN, AVALANCHE AND YUKON (SUBJECT VEHICLE(S)) WITH 4.8L, 5.3L, AND 6.0L ENGINES. THE TB VALVE MAY INTERMITTENTLY STICK IN A CLOSED POSITION.IN SUCH A SITUATION, AN OPERATOR MAY APPLY ADDITIONAL ACCELERATOR PEDAL FORCE TO INCREASE ENGINE SPEED.THE APPLICATION OF ADDITIONAL ACCELERATOR PEDAL FORCE, TO OPEN A STUCK THROTTLE VALVE, MAY OPEN THE THROTTLE VALVE MORE THAN INTENDED AND, IN TURN, ACCELERATE THE ENGINE AND VEHICLE MORE THAN INTENDED AND REASONABLY EXPECTED BY THE DRIVER.ON AUGUST 1, 2002, THE OFFICE OF DEFECTS INVESTIGATION (ODI), OF THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION (NHTSA), OPENED THIS ENGINEERING ANALYSIS.THE INVESTIGATION REVEALED THAT TWO FACTORS MAY CAUSE THE DEFECT: 1) TB MANUFACTURING PROCESS PROBLEMS; AND 2) ACCUMULATION OF DEPOSITS (A PCV SYSTEM BY-PRODUCT) ON OR AROUND THE TB THROTTLE VALVE AND BORE.ODI CONCLUDES THAT THE TB PERFORMS IN A DEFECTIVE MANNER AFTER ANALYZING GM?S DATA SUBMISSIONS, AND TEST DATA COLLECTED BY THE VEHICLE RESEARCH AND TEST CENTER (VRTC).FIFTY-NINE CRASHES ARE ALLEGED TO HAVE OCCURRED AS A RESULT OF GM?S TB DEFECT.THE MAJORITY OF THE CRASHES INVOLVE A SINGLE VEHICLE, ENGAGING IN A CLOSE QUARTER VEHICLE MANEUVER (OR LOW SPEED), AND CAUSING ONLY MINOR PROPERTY DAMAGE.FOUR OUT OF THE FIFTY-NINE CRASHES INVOLVE INJURY, AND THOSE INJURIES WERE MINOR.ALTHOUGH GM?S TB IS DEFECTIVE, BASED ON THE EVIDENCE GATHERED, ODI HAS FOUND THAT THE ACCELERATOR PEDAL FORCE REQUIRED TO OPEN A STUCK THROTTLE VALVE IS NEGLIGIBLE, AND THE THROTTLE VALVE DOES NOT STICK IN THE OPEN POSITION.THEREFORE THIS ENGINEERING ANALYSIS (EA02-015) WILL BE CLOSED AT THIS TIME.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.FOR A DETAILED DISCUSSION OF THE TB COMPONENT AND TESTING, PLEASE SEE THE ATTACHED REPORT.
PE01023 · Seat Belt Anchorage Separation
Opened Jul 17, 2001 · Closed Dec 20, 2001
Status: closed (inferred from source dates) · Seat Belts:front:anchorage
ODI HAS RECEIVED ONE (1) COMPLAINT ALLEGING THAT THE 2ND ROW PASSENGER-SIDE SEAT BELT RELEASE BUCKLE ANCHOR DETACHED FROM SEAT FRAME DURING A SIDE IMPACT CRASH.DURING THE CRASH, THE OCCUPANT WAS THROWN FROM HIS SEAT, PARTIALLY EJECTED THROUGH THE REAR QUARTER WINDOW OF THE VEHICLE.OCCUPANT SUSTAINED INJURY.GM HAS SUBSEQUENTLY CHANGED SEAT BELT ANCHORING DESIGN IN MY 2000. ODI HAS COMPLETED A PRELIMINARY INVESTIGATION AND HAS DETERMINED THAT FURTHER INFORMATION IS NEEDED TO DETERMINE WHETHER A SAFETY DEFECT EXISTS.
EA99011 · Erratic Power Steering Assist While Driv
Opened May 12, 1999 · Closed Feb 27, 2001
Status: closed (inferred from source dates) · Steering
THE OFFICE OF DEFECT INVESTIGATION (ODI) HAS INVESTIGATED ALLEGATIONS OF POWER STEERING ASSIST FLUCTUATIONS IN THE SUBJECT VEHICLES.FOR DETAILS AND A BASIS FOR THE INVESTIGATION CONCLUSIONS, PLEASE SEE THE CLOSING REPORT IN THE EA99-011 PUBLIC FILE.ODI HAS NOT IDENTIFIED A SAFETY-RELATED DEFECT TREND IN THE SUBJECT VEHICLE POPULATION.FUTHER EXPENDITURE OF AGENCY RESOURCES ON THIS SUBJECT DOES NOT APPEAR TO BE WARRANTED AT THIS TIME.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.THE ENGINEERING IS CLOSED.
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