2000 GMC Yukon

The Office of Defects Investigation (ODI) received Defect Petition DP10-003 on March 2, 2010, requesting the investigation of model year (MY) 2003 Chevrolet Silverado 2500HD 4WD pickup trucks for corrosion failures of the vehicle brake lines.DP10-003 was granted and on March 30, 2010, Preliminary Evaluation PE10-010 was opened on more than six million model year 1999 through 2003 light trucks and sport utility vehicles manufactured and sold by General Motors Corporation (GM).On July 2, 2010, ODI received GM's response to an information request, which included GM's assessment of the frequency and safety consequences of the alleged defect. GM stated that:(1) the brake system of the subject vehicles is split front/rear and should a brake pipe suddenly fail for any reason, the affected vehicle would be capable of stopping with the pressure supplied by the remaining circuit; (2) the subject vehicles were designed to meet the hydraulic circuit partial failure requirements of Federal Motor Vehicle Safety Standards 105 and 135, Light Vehicle Brake Systems; and (3) should a brake fluid leak occur for any reason, the brake system malfunction indicator lamp (MIL) would illuminate and warn the driver before the brake fluid level was low enough to cause a loss of line pressure.ODI's and GM's analysis indicates that 85 percent of the complaints occurred on vehicles used primarily in States that use salt on the roads during Winter months (Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia and Wisconsin).Overall the complaint rates per 100,000 vehicles for Salt Belt States is 43.0 and Non-Salt Belt is 3.0.In approximately 25 percent of the complaints the brake pipe failure occurred suddenly, with no warning (i.e., no MIL, Brake Fluid Loss Warning), and resulted in extended stopping distances.In 30 of these the increase in stopping distance that resulted was a factor in the crash and in 10 others the vehicle was intentionally steered off the road or into another lane of travel in order to avoid a crash.This investigation has been upgraded to an Engineering Analysis (EA11-001) for subject vehicles sold or currently registered in Salt Belt States to further assess the scope, frequency and safety risks associated with sudden failures of corroded brake pipes that can result in decreased brake effectiveness. ODI will continue to gather information on subject vehicles outside the Salt Belt as well.

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.

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.

THE AUTOMATIC LOCKING RETRACTOR (ALR) IS A FEATURE INCORPORATED IN THE SUBJECT VEHICLE FOR LOCKING THE WEBBING TO PROPERLY SECURE A CHILD SAFETY SEAT INTO A VEHICLE.THIS PE WAS OPENED BASED ON A GM TECHNICAL SERVICE BULLETIN STATING THAT WITH CERTAIN CHILD SAFETY SEATS THE WEBBING MAY NOT REMAIN LOCKED.THERE ARE NO COMPLAINTS IN THE ODI DATABASE AND ONLY TWO COMPLAINTS TO GM.GM'S INSTRUCTIONS STATE FOR THE FINAL STEP IN USING THE WEBBING LOCK FEATURE TO PUSH AND PULL THE CHILD RESTRAINT TO BE SURE IT IS SECURE. IF THE ALR IS NOT LOCKED, THE USER WOULD BE FULLY AWARE OF THIS CONDITION PRIOR TO COMPLETING PROPER INSTALLATION OF THE CHILD SAFETY SEAT IN THIS VEHICLE.THIS INVESTIGATION DID NOT UNCOVER ANY COMPLAINTS OF THE ALR INADVERTENTLY UNLOCKING WHILE THE VEHICLE IS IN MOTION.THE EMERGENCY LOCKING RETRACTOR (ELR) FEATURE REMAINS AVAILABLE TO LOCK THE RETRACTOR IN A CRASH.A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.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 RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.SEE ATTACHED SUMMARY FOR ADDITIONAL INFORMATION.

2000 GMC YUKON STALLS WHEN PULLING OUT INTO TRAFFIC FROM A STATIONARY POSITION. THIS HAS HAPPENED NUMEROUS TIMES IN PAST 17 YEARS. GM DEALER NOR INDEPENDENT MECHANIC COULD REPAIR NOR WHAT IS CAUSING PROBLEM.

NHTSA ID

11065731

Incident

Sep 1, 2000

Mileage

50 mi

THE SECOND ROW SEATING IN MY SUV IS SUPPOSED TO HAVE THE OPTION TO LAY DOWN OR SIT UP LIKE NORMAL. WHEN I TRIED TO LIFT THE SEAT OF THE LARGE SECTION TO LAY THE SEAT FLAT. *TR

NHTSA ID

10694241

Incident

Mar 13, 2015

Mileage

194,100 mi

THE SECOND ROW SEATING IN MY SUV IS SUPPOSED TO HAVE THE OPTION TO LAY DOWN OR SIT UP LIKE NORMAL. WHEN I TRIED TO LIFT THE SEAT OF THE LARGE SECTION TO LAY THE SEAT FLAT, THE CABLE BROKE AS IF IT HAD BEEN READY TO SNAP FOR QUITE SOME TIME. THE SMALLER SIDE HASN'T SNAPPED YET BUT I AM SURE IT IS ONLY A MATTER OF TIME. *TR

NHTSA ID

10682579

Incident

Dec 17, 2014

Mileage

218,000 mi

TL* THE CONTACT OWNS A 2000 GMC YUKON. THE CONTACT EXPERIENCED FAILURES RELATED TO NHTSA CAMPAIGN NUMBER: 05V379000 (SERVICE BRAKES, HYDRAULIC). THE CONTACT STATED THAT WHILE DRIVING 5-10 MPH WHILE INITITATING A TURN, THE BRAKES FAILED TO RESPOND. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 149,000.

NHTSA ID

10652511

Incident

Oct 28, 2014

Mileage

149,000 mi

COMING TO A STOP AND BRAKE PEDAL WENT TO FLOOR....MY VEHICLE THEN ROLLED INTO INTERSECTION CAUSING AN ACCIDENT WHEN THE OTHER VEHICLE COLLIDED WITH THE FRONT OF MY VEHICLE. FURTHER INVESTIGATION FOUND BRAKE LINE BURST. TO REMEDY SITUATION I REPLACED ALL BRAKE LINES. *TR

NHTSA ID

10609672

Incident

May 6, 2013

Mileage

155,000 mi

VEHICLE WAS SHIPPED WITH HEADS THAT WOULD CRACK OVER TIME. THE CAR HAS BEEN LEAKING COOLANT FOR OVER A YEAR AND CAUSED MAJOR ENGINE FAILURE. THIS IS HAPPENING TO MANY HUNDREDS OF THOUSAND VEHICLES AND SHOULD BE A RECALL/COMPENSATION FROM GM. *JS

NHTSA ID

10609080

Incident

Jun 2, 2014

Mileage

190,000 mi

BROUGHT YUKON IN TO KOONS GMC IN MANASSAS, VIRGINIA IN 2012 FOR TWO RECALLS WHICH I WAS TOLD WERE BOTH DONE ALONG WITH GETTING AN ESTIMATE FOR $3300 FOR LARGELY AN INTAKE MANIFOLD. I HAVE CALLED GM CORP AND BEEN TOLD MANY TIMES OVER THAT PAST TWO YEARS AS MORE CARS HAVE BEEN ADDED TO RECALL LISTS THAT THERE WERE NO REMAINING RECALLS FOR MY VEHICLE; NOW GM CORPORATE SAYS THE WHEEL SENSOR RECALL (NECESSARY TO AVOID LOW SPEED CRASHES) WAS ACTUALLY NEVER PERFORMED AND GM CORPORATE CANNOT EXPLAIN WHY I HAVE BEEN TOLD BY BOTH DEALERSHIPS IN THE DC AREA AND GM CORPORATE OVER THE PAST TWO YEARS (EXCEEDING 10 TOTAL CALLS) SINCE THAT THERE WERE NO REMAINING RECALLS LEFT TO PERFORM ON THIS YUKON. PRESUMABLY THE HEADREST RECALL I BROUGHT IT INTO KOONS IN MANASSAS, VA AS A SECOND AFTERTHOUGHT TO THE WHEEL SENSOR RECALL WAS THE ONLY THING THEY ENDED UP DOING OTHER THAN GIVING ME AN ESTIMATE FOR OVER $3300 FOR WORK THAT HAS NEVER NEEDED TO BE DONE. MY UNANSWERED QUESTION TO GM CORPORATE WAS "I'S THIS HOW YOUR GOING TO HANDLE THE IGNITION RECALLS?" ADDITIONALLY, GM CLAIMS TO BE UNABLE TO ANSWER THE QUESTION OF WHETHER MY IGNITION SWITCH IS THE SAME IN DESIGN AS ANY OF THOSE THAT HAVE BEEN RECALLED. DO AMERICANS CITIZENS NOT HAVE THE RIGHT TO AT LEAST THAT MUCH "PROPRIETARY"-PROTECTED INFORMATION FROM GM? GM CORPORATE'S SPECIALIST CLAIMED TO OBJECT TO MY MENTIONING THAT I, TOO, MIGHT RECORD THE CALL. KOONS ALSO NEVER NOTICED THAT THE PREVIOUS OWNER HAD BROKEN OUT THE ABS LIGHT BECAUSE PRIOR TO THE RECALL (WHICH SHOULD HAVE LATER TIPPED ME OFF THAT THEY DID NOT ACTUALLY CLEAN THE WHEEL SENSOR AND CHECK THE ABS LIGHT SINCE IT WAS NOT ON THE $3300 ESTIMATE OF NECESSARY REPAIRS), BECAUSE NOBODY REALLY KNEW THEN WHY THE ABS LIGHT WOULD STAY ON. I BELIEVE THIS WAS A RETALIATORY ACT. I MENTIONED TO KOONS SND GM CORPORATE BEFORE SERVICE THAT I WAS DISABLED. *TR

NHTSA ID

10607196

Incident

Jun 30, 2014

Mileage

179,000 mi

I WAS DRIVING AROUND TOWN WHEN THE BRAKES FELT A LITTLE SOFT. THE NEXT MORNING THERE WAS A PUDDLE OF BRAKE FLUID UNDER THE VEHICLE. I PUT IN A HALF A BOTTLE OF BRAKE FLUID INTO THE RESERVOIR. I DROVE TO THE HOUSE AND PARKED IT. SEVERAL MINUTES AFTER PARKING THERE WAS THE BEGINNING OF A PUDDLE OF BRAKE FLUID. I MADE SEVERAL OTHER STOPS AND AT EACH STOP BRAKE FLUID WAS BEGINNING TO LEAK WHEN VEHICLE WAS TURNED OFF. TOOK VEHICLE TO SHOP AND WAS TOLD THAT THE BRAKE LINES ALL NEEDED TO BE REPLACED. *TR

NHTSA ID

10566728

Incident

Feb 27, 2013

Mileage

165,895 mi

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester  and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.

GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.

This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.