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2003 Hummer H2

Owner reports · Recalls · Investigations

When problems were reported

Mileage at the reported incident

115 reports with mileage · 26 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.

  • Visibility. Review the 45 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

13 crash reports4 fire reports9 injury reports

Service Brakes, Hydraulic complaints

7 reports
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160,000 miles · Feb 24, 2021
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 15 MPH, THE BRAKE PEDAL WAS DEPRESSED AND WENT TO THE FLOORBOARD. THE CONTACT VEHICLE MOVED INTO THE INTERSECTION. THE CONTACT WAS ABLE BRING THE VEHICLE TO A STOP. THE CONTACT WAS ABLE TO MOVE THE VEHICLE TO SAFETY. THE CONTACT INSPECT…

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TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 15 MPH, THE BRAKE PEDAL WAS DEPRESSED AND WENT TO THE FLOORBOARD. THE CONTACT VEHICLE MOVED INTO THE INTERSECTION. THE CONTACT WAS ABLE BRING THE VEHICLE TO A STOP. THE CONTACT WAS ABLE TO MOVE THE VEHICLE TO SAFETY. THE CONTACT INSPECTED THE VEHICLE HIMSELF AND FOUND THAT THE BRAKE FLUID WAS LEAKING FROM THE BRAKE MASTER CYLINDER. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO HAVE A DIAGNOSTIC TEST PERFORMED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 160,000.

NHTSA ODI #11397730

85,000 miles · Aug 6, 2014
Parking BrakeService Brakes, Hydraulic

TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THAT ALL OF THE BRAKE LINES WERE RUSTED OUT. WHILE TOWING A THIRTY FOOT BOAT, THE PARKING BRAKE ABNORMALLY TRAVELED ALL THE WAY TO THE FLOORBOARD. AN INDEPENDENT MECHANIC REPLACED ALL OF THE BRAKE LINES. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE …

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TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THAT ALL OF THE BRAKE LINES WERE RUSTED OUT. WHILE TOWING A THIRTY FOOT BOAT, THE PARKING BRAKE ABNORMALLY TRAVELED ALL THE WAY TO THE FLOORBOARD. AN INDEPENDENT MECHANIC REPLACED ALL OF THE BRAKE LINES. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 85,000.

NHTSA ODI #10619196

Mileage unknown · Oct 11, 2011
Service Brakes, Hydraulic

AFTER VISITING PARADISE CHEVROLET FOR THE SERVICE OF GM HUMMER H2, 2003, IT WAS BROUGHT TO MY ATTENTION THAT THE HYDRO BOOSTER ASSEMBLY AS WELL AS THE PITMAN ARM ASSEMBLY NEED TO BE REPLACED. AFTER FURTHER INVESTIGATION I FOUND THAT THESE PART WERE ON RECALL FROM HUMMER (I HAVE PROOF OF THE RECALL). ON OCTOBER 11, 2011, AT AP…

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AFTER VISITING PARADISE CHEVROLET FOR THE SERVICE OF GM HUMMER H2, 2003, IT WAS BROUGHT TO MY ATTENTION THAT THE HYDRO BOOSTER ASSEMBLY AS WELL AS THE PITMAN ARM ASSEMBLY NEED TO BE REPLACED. AFTER FURTHER INVESTIGATION I FOUND THAT THESE PART WERE ON RECALL FROM HUMMER (I HAVE PROOF OF THE RECALL). ON OCTOBER 11, 2011, AT APPROXIMATELY 2:20 P.M., I CALLED GENERAL MOTORS HUMMER DIVISION AS THE NOTICE INSTRUCTED THE CUSTOMER TO DO SO, THEIR CONTACT NUMBER FOR HUMMER IS 1 (866) 436-6375. I CONTACTED GM'S HUMMER DIVISION AT THIS NUMBER, EXPLAINED THE SITUATION AND THE CUSTOMER REPRESENTATIVE SAID THERE WAS NO SUCH RECALL EVEN AFTER EXPLAINING WITH PROOF OF SAME. I THEN ASKED TO SPEAK WITH A SUPERVISOR I WAS REFUSED, ASKED FOR A MANAGER I WAS REFUSED, ASKED FOR CORPORATE TELEPHONE NUMBER. I WAS LEFT ON HOLD FOR OVER 15 MINUTES AND FINALLY HUNG UP AFTER REALIZING THAT THE CUSTOMER SERVICE REP. WAS NEVER GOING TO COME BACK ON THE TELEPHONE LINE. GM IS REFUSING TO HONOR THEIR OWN RECALL, I NEED HELP PLEASE, THANK YOU! *KB

NHTSA ODI #10429504

28,071 miles · Apr 8, 2010
Service Brakes, HydraulicStructure

TL* THE CONTACT OWNS A 2003 HUMMER H2. WHILE BARELY MOVING AT LESS THAN 1 MPH, THE CONTACT EXPERIENCED A FAILURE IN THE BRAKING SYSTEM DUE TO THE RUSTED BRAKE LINES. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE HOSES AND CALIPERS WERE REPLACED. THE FAILURE MILEAGE WAS 28,071. THE CURRENT MILEAGE WAS 29,000. UPDATED …

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TL* THE CONTACT OWNS A 2003 HUMMER H2. WHILE BARELY MOVING AT LESS THAN 1 MPH, THE CONTACT EXPERIENCED A FAILURE IN THE BRAKING SYSTEM DUE TO THE RUSTED BRAKE LINES. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE HOSES AND CALIPERS WERE REPLACED. THE FAILURE MILEAGE WAS 28,071. THE CURRENT MILEAGE WAS 29,000. UPDATED 05/25/10*BF THE CONSUMER STATED THE ENTIRE UNDERCARRIAGE HAS RUSTED. UPDATED 05/28/10

NHTSA ODI #10324474

100,000 miles · Nov 11, 2008
Service Brakes, Hydraulic

MY 2003 HUMMER H2'S SERVICE BRAKES LIGHT KEEPS COMING ON ALONG WITH THE TRACTION CONTROL & ABS LIGHT, AND EVERY TIME I BRAKE IT SEEMS TO PULL ME ALL OVER THE ROAD. IT IS ALSO VERY HARD TO STOP IF I SUDDENLY HAVE TO BRAKE AND I AM SCARED I AM GOING TO HAVE A MAJOR COLLISION WITH ANOTHER VEHICLE OR ANOTHER OBJECT. THIS IS VERY DA…

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MY 2003 HUMMER H2'S SERVICE BRAKES LIGHT KEEPS COMING ON ALONG WITH THE TRACTION CONTROL & ABS LIGHT, AND EVERY TIME I BRAKE IT SEEMS TO PULL ME ALL OVER THE ROAD. IT IS ALSO VERY HARD TO STOP IF I SUDDENLY HAVE TO BRAKE AND I AM SCARED I AM GOING TO HAVE A MAJOR COLLISION WITH ANOTHER VEHICLE OR ANOTHER OBJECT. THIS IS VERY DANGEROUS! THERE ARE MANY TIMES I HAVE APPLIED PRESSURE TO MY BRAKES AND IT DIDN'T EVEN SLOW AT ALL. I AM TERRIFIED TO DRIVE THIS VEHICLE AS I HAVE 3 VERY YOUNG CHILDREN USUALLY WITH ME & I BOUGHT THIS VEHICLE UNDER THE IMPRESSION THAT IT WOULD BE A SAFE VEHICLE FOR MY CHILDREN & MORE IMPORTANTLY MY 5 YEAR OLD DAUGHTER THAT HAD BRAIN SURGERY LESS JUST OVER A YEAR AGO THAT CANNOT HIT HER HEAD OR BE IN A MINOR CAR CRASH BECAUSE HER SKULL MAY COME APART AND KILL HER INSTANTLY , THIS IS THE VERY REASON I BOUGHT THIS BIG, ROOMY, GAS GUZZLER TO BEGIN WITH, TO GIVE MY CHILD ENOUGH ROOM IN A MINOR CAR CRASH TO NOT HIT HER HEAD BECAUSE THE VEHICLE DID NOT HAVE ENOUGH ROOM OR SHE WAS TOO COMPACTED IN A SMALLER SUV AND I AM FINDING OUT I MIGHT HAVE BEEN BETTER OFF WITH ANOTHER SMALLER VEHICLE. I HAVE HAD NOTHING BUT PROBLEMS WITH THE SAFETY OF THIS VEHICLE, AND THIS WAS A VERY BAD DECISION TO BUY THIS VEHICLE AND NOW I HAVE NO OPTIONS TO TRADE IT IN RIGHT NOW BECAUSE I HAVE TO MUCH IN IT. PLEASE DO SOMETHING ABOUT THIS BEFORE SOMEONE GETS KILLED OR SERIOUSLY INJURED BECAUSE I COULD NOT STOP MY VEHICLE AND YES, MY BRAKES ARE ALMOST NEW SO ITS NOT THE PROBLEM, NOR DOES IT HAVE LOW BRAKE FLUID. *TR

NHTSA ODI #10248459

61,000 miles · Sep 9, 2008
SeatsService Brakes, HydraulicStructure

WINDSHIELD WIPER INTERMITTENT. COMES ON WITHOUT SWITCH BEING ACTIVATED,WILL NOT GO OFF AT ALL. PULLED FUSE AT THE DEALERSHIP STILL WOULDN'T GO OFF. WAS DRIVING DOWN THE ROAD IN THE RAIN, WIPERS WOULD NOT FUNCTION AT ALL, HOWEVER WIPER FLUID WAS RAPIDLY SPRAYING OUT AT FULL SPRAY AND CONTINUED TO SPRAY AFTER FLUID WAS ALL GONE. B…

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WINDSHIELD WIPER INTERMITTENT. COMES ON WITHOUT SWITCH BEING ACTIVATED,WILL NOT GO OFF AT ALL. PULLED FUSE AT THE DEALERSHIP STILL WOULDN'T GO OFF. WAS DRIVING DOWN THE ROAD IN THE RAIN, WIPERS WOULD NOT FUNCTION AT ALL, HOWEVER WIPER FLUID WAS RAPIDLY SPRAYING OUT AT FULL SPRAY AND CONTINUED TO SPRAY AFTER FLUID WAS ALL GONE. BAD VISIBILITY PROBLEMS. HAD TO PULL OVER TO SIDE OF FREEWAY IN REDDING,CA AND CALL LOCAL HUMMER DEALER WHICH WAS 100 MILES AWAY. GENTLEMAN I SPOKE WITH SAID HE HAD HEARD OF THIS MANY TIMES. GOT IT FIXED,AND IT DID NOT REMEDY THE PROBLEM. NOW I HAVE FRONT END PROBLEMS ,BRAKE PROBLEMS, FRAME IS SQUEAKING REALLY BAD AND DEALERSHIP CANT FIND ANYTHING WRONG. REAR PASSENGER WINDOW KEEPS FALLING DOWN. ALL IN ALL HUMMER ARE THE BIGGEST PILE OF JUNK ON THE ROAD. ILL NEVER GIVE MY MONEY TO GM AGAIN. THEY DO NOT STAND BEHIND WHAT THEY SELL. NOW I CANT EVEN TRADE IT IN. THEY'LL SURE TAKE YOUR MONEY AND FINANCE YOU NO PROBLEM, BUT WHEN YOU HAVE PROBLEMS THEY TURN THE OTHER CHEEK AND ACT LIKE NOTHINGS WRONG OR ITS ALL YOUR FAULT. I HAVE A VERY STRICT MAINTENANCE PROGRAM FOR ALL MY VEHICLES,SO THEM SAYING THAT ITS MY FAULT,OR IF ITS INVOLVED IN A CRASH,INSURANCE COMPANIES WANT TO PLACE BLAME TOO. GOOD THING I HAVE RECORDS...LOTS OF RECORDS. I'VE ALSO HAD PROBLEM WITH SEAT RECALL. ONE OF THE FIRST TIMES I DROVE IT THE EASY OUT WAS ACTIVATED AND IT CRUSHED ME UP AGAINST THE STEERING WHEEL. I TURNED THAT OFF REALLY QUICK! *TR

NHTSA ODI #10241626

Mileage unknown · Oct 26, 2005
Electrical SystemEngine And Engine CoolingService Brakes, Hydraulic

I BOUGHT A 2003 HUMMER H2 BRAND NEW. SINCE THE DAY I GOT IT HAD MANY PROBLEMS, BOTH ELECTRICAL AND MECHANICAL. THE STEERING IS VERY HARD AND THE BREAKING IS INEFFECTIVE AT TIMES. I SHOWED THEM A COPY OF THE BULLETIN ON THIS WEBSITE. THEY DID NOT ACKNOWLEDGE ANY PROBLEMS. THE ISSUE STILL PERSISTS. MANY ELECTRICAL ISSUES SEAT MEMO…

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I BOUGHT A 2003 HUMMER H2 BRAND NEW. SINCE THE DAY I GOT IT HAD MANY PROBLEMS, BOTH ELECTRICAL AND MECHANICAL. THE STEERING IS VERY HARD AND THE BREAKING IS INEFFECTIVE AT TIMES. I SHOWED THEM A COPY OF THE BULLETIN ON THIS WEBSITE. THEY DID NOT ACKNOWLEDGE ANY PROBLEMS. THE ISSUE STILL PERSISTS. MANY ELECTRICAL ISSUES SEAT MEMORY PROBLEMS, MIRROR DON'T WORK..ETC. EVENTUALLY THE ELECTRICAL ISSUES FIXED. ROOF LEAKING WATER FROM THE READING LIGHT ON TWO OCCASIONS ONCE BECAUSE OF SUNROOF ISSUE AND THE SECOND TIME BECAUSE OF THE OUTSIDE ROOF LIGHT. NOW MOST RECENTLY I HAVE BEEN HAVING A PROBLEM WITH THE "CHECK ENGINE OIL" LIGHT COMES ON EVERY 5 TO 6 WEEKS AND WAY BEFORE AN OIL CHANGE IS DUE. THIS HAS HAPPENED AT LEAST 5 TIMES SO FAR. EVERYTIME THE ENGINE IS MISSING OIL. THE DEALER SAYS THAT HUMMER ALLOWS THE ENGINE TO BURN ONE QUART OF OIL FOR EVERY 100 GALS OF FUEL. I SAID WHAT AM I SUPPOSED TO DO WHEN THAT LIGHT COMES ON. THE SERVICE MANAGER SAID PULL OFF THE ROAD AND CHECK THE OIL. I SAID WHAT AM I SUPPOSED TO DO IF THE OIL IS LOW. HE SAID ADD OIL TO THE ENGINE. I SAID SO I HAVE TO DRIVE WITH A COUPLE OF QUARTS OF OIL IN THE BACK ALL THE TIME? THE LIGHT COMES ON EVERY 5 TO 6 WEEKS. I SAID HOW MANY HUMMERS HAVE YOU SOLD? HE SAID MANY. I SAID HOW MANY YOU KNOW OF DO THAT? HE SAID NONE. I SAID IF NONE DO THAT, WHY DOES MINE DO IT? AND IF THIS NORMAL WHY NONE OF THE OTHERS DO IT? THE DEALER REFUSES TO ACKNOWLEDGE ANY LEAK OF OIL OR ANY BURNING OF OIL BY THE ENGINE!!!!!!! *NM

NHTSA ODI #10140896

Official recalls

4

08V456000 · Visibility:windshield Wiper/washer:motor

Sep 9, 2008

GM IS RECALLING 13,358 MY 2003 HUMMER H2 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH WATER CAN ENTER THE WINDSHIELD WIPER MOTOR MODULE. IF A SUFFICIENT AMOUNT OF WATER ENTERS THE MODULE, OVER TIME, THE FRONT WINDSHIELD WIPERS MAY WORK INTERMITTENTLY OR THEY MAY BECOME INOPERATIVE.

Consequence & remedy

Consequence: IF THIS WERE TO OCCUR, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A VEHICLE CRASH.

Remedy: DEALERS WILL INSPECT THE WINDSHIELD WIPER MODULE COVER, AND REPLACE THE WINDSHIELD WIPER MODULE COVER FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 7, 2008. OWNERS MAY CONTACT HUMMER AT 1-800-732-5493 OR THROUGH THEIR WEBSITE AT <A HREF=HTTP://WWW.GMOWNERCENTER.COM>HTTP://WWW.GMOWNERCENTER.COM</A> .

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.

03V075000 · Power Train:automatic Transmission

Mar 6, 2003

CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 114, "THEFT PROTECTION." THESE VEHICLES ARE EQUIPPED WITH A MECHANICAL OVERRIDE THAT COULD ALLOW THE IGNITION KEY TO BE REMOVED WITH THE SHIFT LEVER IN A POSITION OTHER THAN PARK. IN ADDITION, THESE VEHICLES HAVE AN OVERRIDE THAT CAN ALLOW THE TRANSMISSION TO BE SHIFTED OUT OF PARK WITH THE IGNITION IN THE OFF POSITION.

Consequence & remedy

Consequence: THESE OVERRIDES ARE NOT PERMITTED UNLESS THE VEHICLE HAS A LOCKING STEERING COLUMN.

Remedy: DEALERS WILL ELIMINATE THESE CONDITIONS BY DISABLING THE OVERRIDES. OWNER NOTIFICATION BEGAN ON MAY 29, 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 CHEVROLET AT 1-800-222-1020, GMC AT 1-800-462-8782, OLDSMOBILE AT 1-800-442-6537, OR HUMMER AT 1-866-486-6376.

02V283000 · Visibility:windshield Wiper/washer:motor

Oct 29, 2002

CERTAIN SPORT UTILITY AND PASSENGER VEHICLES EXHIBIT A CONDITION IN WHICH THE WINDSHIELD WIPER MOTOR COULD FAIL DURING USE BECAUSE OF IMPROPER MANUFACTURE.

Consequence & remedy

Consequence: IF THIS WERE TO OCCUR IN SEVERE WEATHER, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A VEHICLE CRASH.

Remedy: DEALERS WILL INSPECT AND, IF NECESSARY, REPLACE THE WIPER MOTOR ASSEMBLY. OWNER NOTIFICATION BEGAN NOVEMBER 6, 2002. 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 SATURN AT 1-800-553-6000, PROMPT #3 OR HUMMER AT 1-866-486-6376.

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

PE08042 · Windshield Wiper Motor Module Failure

Opened Jul 16, 2008 · Closed Oct 15, 2008

Status: closed (inferred from source dates) · Visibility:windshield Wiper/washer:motor

THIS INVESTIGATION DISCLOSED THAT WATER INTRUSION INTO THE WIPER MOTOR MODULE OF THE SUBJECT VEHICLES MAY LEAD TO INTERMITTENT OPERATION OR SUBSEQUENT TOTAL SYSTEM FAILURE.ANALYSIS OF DATA DISCLOSED THAT THE SUBJECT VEHICLES BUILT BETWEEN FEBRUARY 2003 AND MAY 2003 EXHIBITED HIGH WARRANTY CLAIM RATES.THE MANUFACTURED NOTIFIED NHTSA BY LETTER DATED SEPTEMBER 8, 2008, THAT A SAFETY RECALL PROGRAM HAS BEEN INITIATED FOR THE 13,358 VEHICLES BUILT DURING THIS TIME PERIOD.NHTSA HAS ASSIGNED NO. 08V-456 TO THIS SAFETY RECALL CAMPAIGN.CORRECTIVE ACTION WILL CONSIST OF REPLACING THE WIPER MODULE COVER, WHERE EVIDENCE OF WATER INTRUSION EXISTS.TO CORRESPOND WITH PARTS AVAILABILITY, THE DEALER BULLETIN AND OWNER NOTIFICATION LETTER ARE SCHEDULED FOR ISSUANCE IN NOVEMBER 2008.

EA05017 · Hummer H2 Steering Knuckle Failures

Opened Oct 28, 2005 · Closed Apr 30, 2007

Status: closed (inferred from source dates) · Suspension:front:control Arm:lower Ball Joint

ODI UPGRADED THIS INVESTIGATION AT THE CONCLUSION OF PE04-080.THE ALLEGED DEFECT INVOLVES THE FAILURE OF THE STEERING KNUCKLE AT THE LOWER BALL JOINT BOSS, RESULTING IN A SEPARATION OF THE LOWER BALL JOINT FROM THE KNUCKLE.A LOWER BALL JOINT SEPARATION COULD RESULT IN A LOSS OF STEERING AND/OR A DISABLED VEHICLE. IT APPEARS THAT THE FRACTURES OF H2 STEERING KNUCKLES CAN BE ATTRIBUTED TO WHEEL/TIRE COLLISION FORCES BEING TRANSFERRED DIRECTLY TO THE STEERING KNUCKLE.THE ORIGINAL KNUCKLE DESIGN APPEARS TO BE SUFFICIENT FOR THE H2 APPLICATION.EVIDENCE FROM INSPECTED VEHICLES, PHOTOGRAPHS, POLICE REPORTS AND EDR DATA INDICATES COLLISION IMPACT EVENTS PLACED STRESS ON THE STEERING KNUCKLE CAUSING IT TO FRACTURE.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS WITH REGARD TO THE SUBJECT COMPONENT.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION ON THIS ISSUE IF WARRANTED.

PE04080 · Steering Knuckle Fracture

Opened Dec 2, 2004 · Closed Oct 28, 2005

Status: closed (inferred from source dates) · Steering:linkages:tie Rod Assembly; Suspension:front; Suspension:front:control Arm:lower Ball Joint

DURING THE PE, ODI INVESTIGATED THE HUMMER H2 FOR FRACTURES WHICH WERE OCCURRING AT THE FRONT STEERING KNUCKLE LOWER BOSS.WHEN THE KNUCKLE LOWER BOSS FRACTURES, THE LOWER BALL JOINT STUD IS RELEASED AND THE ENTIRE KNUCKLE AND WHEEL/TIRE ASSEMBLY SEPARATES FROM THE VEHICLE.ODI IS UPGRADING THIS INVESTIGATION TO GAIN A FULL TECHNICAL UNDERSTANDING OF THE FACTORS WHICH CONTRIBUTED TO THESE FAILURES.

Additional source detail variants (3)

Steering:linkages:tie Rod Assembly

DURING THE PE, ODI INVESTIGATED THE HUMMER H2 FOR FRACTURES WHICH WERE OCCURRING AT THE FRONT STEERING KNUCKLE LOWER BOSS.WHEN THE KNUCKLE LOWER BOSS FRACTURES, THE LOWER BALL JOINT STUD IS RELEASED AND THE ENTIRE KNUCKLE AND WHEEL/TIRE ASSEMBLY SEPARATES FROM THE VEHICLE.ODI IS UPGRADING THIS INVESTIGATION TO GAIN A FULL TECHNICAL UNDERSTANDING OF THE FACTORS WHICH CONTRIBUTED TO THESE FAILURES.

Suspension:front:control Arm:lower Ball Joint

DURING THE PE, ODI INVESTIGATED THE HUMMER H2 FOR FRACTURES WHICH WERE OCCURRING AT THE FRONT STEERING KNUCKLE LOWER BOSS.WHEN THE KNUCKLE LOWER BOSS FRACTURES, THE LOWER BALL JOINT STUD IS RELEASED AND THE ENTIRE KNUCKLE AND WHEEL/TIRE ASSEMBLY SEPARATES FROM THE VEHICLE.ODI IS UPGRADING THIS INVESTIGATION TO GAIN A FULL TECHNICAL UNDERSTANDING OF THE FACTORS WHICH CONTRIBUTED TO THESE FAILURES.

Suspension:front

DURING THE PE, ODI INVESTIGATED THE HUMMER H2 FOR FRACTURES WHICH WERE OCCURRING AT THE FRONT STEERING KNUCKLE LOWER BOSS.WHEN THE KNUCKLE LOWER BOSS FRACTURES, THE LOWER BALL JOINT STUD IS RELEASED AND THE ENTIRE KNUCKLE AND WHEEL/TIRE ASSEMBLY SEPARATES FROM THE VEHICLE.ODI IS UPGRADING THIS INVESTIGATION TO GAIN A FULL TECHNICAL UNDERSTANDING OF THE FACTORS WHICH CONTRIBUTED TO THESE FAILURES.