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2003 GMC Yukon

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2003 GMC Yukon do not stand out strongly from the model-year median of 103.

About this comparison →

When problems were reported

Mileage at the reported incident

159 reports with mileage · 45 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.

  • Electrical System. Review the 53 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports2 fire reports9 injury reports

What owners actually said

204 reports
95,671 miles · Jan 25, 2013
Steering

KNOCKING NOISE IN STEERING COLUMN; STEERING VERY LOOSE; SOMETIMES FEELS LIKE I LOOSE CONTROL OF THE CAR WHEN TURNING WHILE GOING OVER BUMPS IN ROAD. *TR

NHTSA ODI #10494665

136,439 miles · Dec 17, 2012
Service Brakes

ON DEC. 4, 2012 HEADING NORTH ON THE NJ TPKE TOWARD THE GW BRIDGE AND GOT CUT OFF. HIT THE BRAKE AND THE DASH BOARD LIT UP, THE BRAKES WERE FAILING, PEDAL WENT TO THE FLOOR. I HAD NO BREAKS. ABLE TO STEER CLEAR OF TRAFFIC. SLOWED THE CAR BY LOWERING GEAR AND PUMPING BRAKE AND ENTERED THE TOLL FOR GW IN A CASH LANE IN ORDER TO…

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ON DEC. 4, 2012 HEADING NORTH ON THE NJ TPKE TOWARD THE GW BRIDGE AND GOT CUT OFF. HIT THE BRAKE AND THE DASH BOARD LIT UP, THE BRAKES WERE FAILING, PEDAL WENT TO THE FLOOR. I HAD NO BREAKS. ABLE TO STEER CLEAR OF TRAFFIC. SLOWED THE CAR BY LOWERING GEAR AND PUMPING BRAKE AND ENTERED THE TOLL FOR GW IN A CASH LANE IN ORDER TO GET HELP. ABLE TO STOP CAR WITHOUT INCIDENT BUT ONLY BECAUSE IT WAS VERY LATE (9PM) AND TRAFFIC WAS LIGHT. *TR

NHTSA ODI #10488980

100,000 miles · Sep 18, 2012
Electrical SystemElectronic Stability Control (esc)

HELLO, WHEN IM DRIVING DOWN THE ROAD THE REDUCED ENGINE LIGHT COMES ON. THIS IS VERY DANGEROUS SINCE IT ALSO HAPPENS ON THE HIGHWAY. WHEN I SHUT THE CAR OFF AND LET IT SIT FOR 3 OR 4 MIN AND RESTART IT WILL HAPPEN AGAIN ABOUT 2 MILES DOWN THE ROAD. GMC SAYS THEY KNOW ABOUT THE ISSUE BUT THEY DO NOT HAVE A FIX FOR IT. I HAVE TA…

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HELLO, WHEN IM DRIVING DOWN THE ROAD THE REDUCED ENGINE LIGHT COMES ON. THIS IS VERY DANGEROUS SINCE IT ALSO HAPPENS ON THE HIGHWAY. WHEN I SHUT THE CAR OFF AND LET IT SIT FOR 3 OR 4 MIN AND RESTART IT WILL HAPPEN AGAIN ABOUT 2 MILES DOWN THE ROAD. GMC SAYS THEY KNOW ABOUT THE ISSUE BUT THEY DO NOT HAVE A FIX FOR IT. I HAVE TAKEN IT TO SEVERAL SHOPS AND THEY SAY THAT GM SAYS THE SAME THING ( WE KNOW ABOUT THE ISSUE BUT DO NOT HAVE A FIX FOR IT). THERE SHOULD BE A RECALL ON THESE VEHICLES DO TO THIS HAPPENING AND COULD CAUSE A MAJOR ACCIDENT. THERE ARE ALOT OF OTHER PPL HAVING THIS SAME ISSUE. THANKS *TR

NHTSA ODI #10475767

140,000 miles · Aug 29, 2012
Service Brakes

I WAS DRIVING ON A 2 LANE HIGHWAY COMING TO AN INTERSECTION TO MAKE A LEFT TURN. THE LEFT HAND TRAFFIC SIGNAL ARROW WAS GREEN AS I APPROACH THE LIGHT, APPROX 300 FEET AWAY THE ARROW LIGHT TURN YELLOW, I TOOK MY FOOT OFF THE ACCELERATOR TO HIT THE BREAKS AND THEY WENT TO THE FLOOR, ON COMING TRAFFIC WAS STILL STOPPED WHEN I REALI…

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I WAS DRIVING ON A 2 LANE HIGHWAY COMING TO AN INTERSECTION TO MAKE A LEFT TURN. THE LEFT HAND TRAFFIC SIGNAL ARROW WAS GREEN AS I APPROACH THE LIGHT, APPROX 300 FEET AWAY THE ARROW LIGHT TURN YELLOW, I TOOK MY FOOT OFF THE ACCELERATOR TO HIT THE BREAKS AND THEY WENT TO THE FLOOR, ON COMING TRAFFIC WAS STILL STOPPED WHEN I REALIZED I WAS NOT STOPPING AND HAD TO GO THROUGH THE RED ARROW LIGHT. I TRIED TO USE MY EMERGENCY BRAKE AFTER MAKING THE TURN ON RED, THAT BRAKE ALSO WENT TO THE FLOOR BUT SEEM TO SLOW ME DOWN ENOUGH SO I COULD PULL INTO A MALL PARKING LOT AND HIT THE CURB SIDE TO STOP THE VEHICLE COMPLETELY. *TR

NHTSA ODI #10472971

97,000 miles · Jul 28, 2012
Service Brakes

I NOTICED BRAKE FLUID ON DRIVEWAY. FURTHER INSPECTION SHOWS" HEAVY" RUST ON METAL BRAKE FLUID LINES ALONG FRAME. I FOUND LEAK IN METAL LINE ON LT REAR LINE MASTER CYL LEVEL WAS LOW . LEAK APPEARS TO HAVE STARTED WITHIN THE LAST FEW DAYS. . VEHICLE WAS PURCHASED NEW AND IS IN VERY GOOD CONDITION . I WORK WITH ANOTHER YUKON OWN…

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I NOTICED BRAKE FLUID ON DRIVEWAY. FURTHER INSPECTION SHOWS" HEAVY" RUST ON METAL BRAKE FLUID LINES ALONG FRAME. I FOUND LEAK IN METAL LINE ON LT REAR LINE MASTER CYL LEVEL WAS LOW . LEAK APPEARS TO HAVE STARTED WITHIN THE LAST FEW DAYS. . VEHICLE WAS PURCHASED NEW AND IS IN VERY GOOD CONDITION . I WORK WITH ANOTHER YUKON OWNER [ 2000 YUKON XL] . HE HAD EXACT SAME PROBLEM . LUCKILY I FOUND IT BEFORE ANY ACCIDENT OCCURRED. *TR

NHTSA ODI #10468078

78,825 miles · Mar 26, 2012
Service Brakes, Hydraulic

THE BRAKE LINES HAVE CORRODED AND ROTTED OUT. THE FIRST FAILURE WAS LOCATED IN THE LINES UNDER THE DRIVERSIDE FIREWALL. I AM INFORMED THAT THIS IS A COMMON PROBLEM AND THAT THE LINES ARE DIFFICULT TO REPLACE DUE TO THEIR LOCATION. *TR

NHTSA ODI #10453004

137,643 miles · Feb 28, 2012
Service Brakes, Hydraulic

WHILE TRAVELING ON I-75 NORTH AT THE I-4 EXIT I BRAKE TO SLOW DOWN FOR STOPPED TRAFFIC AHEAD AND THE BRAKE PEDAL WORKED FOR A BRIEF MOMENT BEFORE QUICKLY LOOSING ALL PRESSURE AND GOING TO THE FLOOR. ALL BRAKING POWER WAS LOST IMMEDIATELY AND I BARELY AVOIDED AN ACCIDENT BY SWERVING OFF THE ROAD TO AVOID THE STOPPED TRAFFIC IN M…

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WHILE TRAVELING ON I-75 NORTH AT THE I-4 EXIT I BRAKE TO SLOW DOWN FOR STOPPED TRAFFIC AHEAD AND THE BRAKE PEDAL WORKED FOR A BRIEF MOMENT BEFORE QUICKLY LOOSING ALL PRESSURE AND GOING TO THE FLOOR. ALL BRAKING POWER WAS LOST IMMEDIATELY AND I BARELY AVOIDED AN ACCIDENT BY SWERVING OFF THE ROAD TO AVOID THE STOPPED TRAFFIC IN MY LANE. UPON INITIAL INSPECTION IT BECAME OBVIOUS THAT THE BRAKE LINE HAD RUPTURED BEHIND THE FRONT DRIVER SIDE WHEEL. THE LINES ARE ALL HEAVILY CORRODED AND RUSTED, THEREBY BECOMING BRITTLE AND FAILING UNDER PRESSURE. *TR

NHTSA ODI #10449524

120,000 miles · Feb 1, 2012
Service Brakes, Hydraulic

AS A WAS APPROACHING AN INTERSECTION I APPLIED MY BRAKES ONLY TO FEEL THEM DROP TO THE FLOOR. AFTER PULLING OFF TO THE SIDE OF THE ROAD AND INSPECTING MY ENGINE COMPARTMENT I FOUND THAT THERE WAS BRAKE FLUID ALL OVER. I MANAGED TO LIMP THE VEHICLE TO A REPAIR FACILITY WHICH NOTIFIED ME THAT MY BRAKE LINES ALL WERE RUST AND BADLY…

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AS A WAS APPROACHING AN INTERSECTION I APPLIED MY BRAKES ONLY TO FEEL THEM DROP TO THE FLOOR. AFTER PULLING OFF TO THE SIDE OF THE ROAD AND INSPECTING MY ENGINE COMPARTMENT I FOUND THAT THERE WAS BRAKE FLUID ALL OVER. I MANAGED TO LIMP THE VEHICLE TO A REPAIR FACILITY WHICH NOTIFIED ME THAT MY BRAKE LINES ALL WERE RUST AND BADLY NEEDED TO BE REPLACED. THEY STATED THAT A VEHICLE OF THIS AGE IT IS NOT COMMON FOR THIS TO HAPPEN. *TR

NHTSA ODI #10446159

112,000 miles · Jan 26, 2012
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2003 GMC YUKON. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH AND THE BRAKE PEDAL DEPRESSED TO THE FLOOR WHEN ENGAGED. THERE WERE NUMEROUS ATTEMPTS AT BRAKING, BUT THE VEHICLE CONTINUED TO ACCELERATE. IN ORDER TO COME TO A COMPLETE STOP THE GEAR SELECTOR WAS SHIFTED INTO NEUTRAL. THE VEHICLE WAS TOWED TO AN…

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TL* THE CONTACT OWNS A 2003 GMC YUKON. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH AND THE BRAKE PEDAL DEPRESSED TO THE FLOOR WHEN ENGAGED. THERE WERE NUMEROUS ATTEMPTS AT BRAKING, BUT THE VEHICLE CONTINUED TO ACCELERATE. IN ORDER TO COME TO A COMPLETE STOP THE GEAR SELECTOR WAS SHIFTED INTO NEUTRAL. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC FOR INSPECTION. THE MECHANIC STATED THAT THE BRAKE LINES WERE COMPLETELY RUSTED. THE VEHICLE WAS THEN TOWED TO AN AUTHORIZED DEALER FOR A SECOND OPINION. THE VEHICLE EXCEEDED THE SERVICE WARRANTY MILEAGE AND HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT PLANNED TO HAVE THE VEHICLE REPAIRED AT SOME POINT. THE APPROXIMATE FAILURE MILEAGE WAS 112,000.

NHTSA ODI #10445493

54,000 miles · Dec 9, 2011
Service Brakes, Hydraulic

AFTER DRIVING FOR ABOUT 100 MILES, STOPPED FOR LUNCH. AFTER STOPPING FOR LUNCH, DROVE 2003 GMC YUKON WITH ONLY 54,000 MILES ON IT FOR ANOTHER 20 MILES ON COUNTRY HIGHWAY AT 55MPH. STEPPED ON BRAKES TO SLOW-DOWN FOR SLOWER TRAFFIC, THE PEDAL WENT TO THE FLOOR AND THE BRAKE LIGHT CAME ON. THE YUKON WAS ABLE TO SLOW DOWN BEFORE …

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AFTER DRIVING FOR ABOUT 100 MILES, STOPPED FOR LUNCH. AFTER STOPPING FOR LUNCH, DROVE 2003 GMC YUKON WITH ONLY 54,000 MILES ON IT FOR ANOTHER 20 MILES ON COUNTRY HIGHWAY AT 55MPH. STEPPED ON BRAKES TO SLOW-DOWN FOR SLOWER TRAFFIC, THE PEDAL WENT TO THE FLOOR AND THE BRAKE LIGHT CAME ON. THE YUKON WAS ABLE TO SLOW DOWN BEFORE HITTING THE SLOWER TRAFFIC. DROVE ABOUT ANOTHER 50 MILES TO NEAREST CHEVROLET/GMC DEALER, NEEDING TO USE FULL BRAKE PEDAL TRAVEL TO SLOW-DOWN THE VEHICLE. THE SERVICE BRAKE LIGHT CAME ON EVERYTIME THE BRAKES WERE APPLIED. THE DEALERSHIP INVESTIGATED THE FAILURE. THE REAR BRAKE LINE HAD RUSTED THROUGH AND BURST. THE FUEL TANK NEEDED TO BE REMOVED TO REPLACE REAR BRAKE LINES ON THE TRUCK. THE TRUCK HAD TO BE LEFT OVERNIGHT AT A DEALERSHIP 100 MILES FROM FINAL DESTINATION TO HAVE THE LINES REPLACED. THE DEALERSHIP WAS VERY HELPFUL IN COMPLETING THE REPAIRS. ESTIMATED COST FROM THE DEALER FOR THE REPAIRS WAS $400 - $800. THE BRAKE LINE FAILED WITH NO WARNING. *TR

NHTSA ODI #10439109

Official recalls

4

05V163000 · Seat Belts:rear/other

Apr 22, 2005

ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE SUGGESTED SEAT BELT FIT/ROUTING FOR ADULTS, IRRESPECTIVE OF SEATING POSITION, IS DESCRIBED IN THE OWNER'S MANUAL TEXT.

Consequence & remedy

Consequence: A LAP PORTION OF THE SEAT BELT ROUTING THAT IS NOT LOW AND SNUG ON THE HIPS CAN ALLOW THE LAP BELT TO RIDE UP ON AN OCCUPANT'S ABDOMEN INSTEAD OF FITTING LOW AROUND THEIR HIPBONES, AND THEREFORE, CAN EXPOSE THEM TO MORE RISK OF ABDOMINAL AND INTERNAL ORGAN INJURY.

Remedy: DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES SHOULD BE FOLDED OVER AND SECURED WITH A RETAINER FREE OF CHARGE. THE RECALL BEGAN ON JULY 21, 2005. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR HUMMER AT 1-800-732-5493.

04V045000 · Service Brakes, Hydraulic

Feb 4, 2004

CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.

Consequence & remedy

Consequence: CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE.

Remedy: DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.

03V094000 · Structure

Mar 7, 2003

CERTAIN PICKUP TRUCK, VAN, AND MINI VAN CONVERSIONS EQUIPPED WITH SOUTHERN COMFORT BUILT RUNNING BOARDS THAT CONTAIN CERTAIN COURTESY LIGHTS MANUFACTURED BY AMERICAN TECHNOLOGY COMPONENTS, INC. THESE UNITS CONTAIN A COURTESY LIGHT OR LIGHTS THAT MIGHT OVERHEAT WHEN THE WIRE HARNESS IS EXPOSED TO EXCESSIVE MOISTURE AND ROAD SALT.

Consequence & remedy

Consequence: THIS OVERHEATING CONDITION CAN CAUSE THE RUNNING BOARD TO MELT OR CAUSE A FIRE.

Remedy: DEALERS WILL REPLACE THE WIRING HARNESS ON THESE RUNNING BOARDS. OWNER NOTIFICATION BEGAN MARCH 7, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT SOUTHERN COMFORT AT 1-800-745-6096.

03V037000 · Structure:body:door:hinge And Attachments

Feb 6, 2003

CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 214, "SIDE IMPACT PROTECTION." THESE VEHICLES ARE BUILT WITH FOUR WELDS ON THE REAR DOOR UPPER HINGE. ON SOME OF THESE VEHICLES, ONE OR TWO OF THE WELDS MAY NOT BE TO SPECIFICATION.

Consequence & remedy

Consequence: AS A RESULT, THE DOOR STRENGTH MAY BE DEGRADED DURING A SIDE IMPACT VEHICLE CRASH.

Remedy: DEALERS WILL INSPECT THE WELDS ON THE LEFT REAR DOOR UPPER HINGE. IF A WELD IS FOUND OUT-OF-SPECIFICATION, A BOLT WILL BE INSTALLED TO SECURE THE HINGE. OWNER NOTIFICATION BEGAN FEBRUARY 17, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CADILLAC AT 1-800-458-8006, CHEVROLET AT 1-800-222-1020, OR GMC AT 1-800-462-8782.

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

3

PE10010 · Brake Line Corrosion Failure

Opened Mar 30, 2010 · Closed Jan 5, 2011

Status: closed (inferred from source dates) · Service Brakes, Hydraulic; Service Brakes, Hydraulic:power Assist:hydraulic:hoses, Lines/piping, And Fittings

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.

Additional source detail variants (2)

Service Brakes, Hydraulic

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.

Service Brakes, Hydraulic:power Assist:hydraulic:hoses, Lines/piping, And Fittings

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.

DP05009 · Parking Brake Failure

Opened Dec 20, 2005 · Closed May 31, 2006

Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical

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.

Additional source detail variants (3)

Parking Brake:conventional

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.

Parking Brake:conventional:mechanical

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.

Parking Brake

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.

EA04011 · Parking Brake Failure

Opened Apr 9, 2004 · Closed May 10, 2005

Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical; Parking Brake:conventional:mechanical:linkage And Cable

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Additional source detail variants (4)

Parking Brake:conventional

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Parking Brake:conventional:mechanical

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Parking Brake:conventional:mechanical:linkage And Cable

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Parking Brake

IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.