TL* THE CONTACT OWNS A 2004 HUMMER H2. THE CONTACT STATED THAT THE VEHICLE WAS EQUIPPED TO ACCOMMODATE TRAILER BRAKES BUT THE TRAILER BRAKES WOULD NOT ENGAGE AND CAUSED THE OFFROAD LIGHT TO ILLUMINATE. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO BE DIAGNOSED OR REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE AND THE CURRENT MILE…
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TL* THE CONTACT OWNS A 2004 HUMMER H2. THE CONTACT STATED THAT THE VEHICLE WAS EQUIPPED TO ACCOMMODATE TRAILER BRAKES BUT THE TRAILER BRAKES WOULD NOT ENGAGE AND CAUSED THE OFFROAD LIGHT TO ILLUMINATE. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO BE DIAGNOSED OR REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE AND THE CURRENT MILEAGE WAS 76,000.
NHTSA ODI #10421616
11,000 miles · Aug 11, 2010
Service Brakes, HydraulicStructureCrash
EXTREMELY EXCESSIVE RUST ON UNDERBODY OF MY 2004 HUMMER H2. BRAKE LINES, CALIPERS, ROTORS, FRAME, SUSPENSION, ETC HAVE HOLES. MY BRAKES COMPLETELY FAILED ON THE HIGHWAY AND I CRASHED INTO A TRUCK AND A SUV. LUCKILY USED THE EMERGENCY BRAKE TO EVENTUALLY STOP IT. DEALER SAYS ENTIRE BRAKE SYSTEM NEEDS TO BE REPLACED AND THE FRAME …
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EXTREMELY EXCESSIVE RUST ON UNDERBODY OF MY 2004 HUMMER H2. BRAKE LINES, CALIPERS, ROTORS, FRAME, SUSPENSION, ETC HAVE HOLES. MY BRAKES COMPLETELY FAILED ON THE HIGHWAY AND I CRASHED INTO A TRUCK AND A SUV. LUCKILY USED THE EMERGENCY BRAKE TO EVENTUALLY STOP IT. DEALER SAYS ENTIRE BRAKE SYSTEM NEEDS TO BE REPLACED AND THE FRAME IS ALSO IN BAD SHAPE. I DID REPORT THE RUST PROBLEM TO GM WHILE UNDER THE 3 YEAR WARRANTY BUT THEY DID NOTHING. I NEITHER DO ANY CROSS-COUNTRY DRIVING NOR AM NEAR THE OCEAN. I AM SCARED OF DRIVING THE VEHICLE. *TR
NHTSA ODI #10348662
11 miles · Feb 16, 2010
Service Brakes, Hydraulic
DISC BRAKE ROTORS NOT MACHINED TO LEGAL SPECIFICATIONS. APPROXIMATELY 40% OF ROTORS FACE WERE STILL ROUGH CASTING, THIS CAUSED ROUGH BRAKING AND EARLY BRAKE PAD FAILURE. DEALER AND GM REFUSED TO REPAIR UNDER WARRANTY, CLAIMED THEY WERE OK. I WILL NOT BUY ANOTHER GM PRODUCT FOR THEIR LACK OF CONCERN. STATE INSPECTION REQUIRES…
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DISC BRAKE ROTORS NOT MACHINED TO LEGAL SPECIFICATIONS. APPROXIMATELY 40% OF ROTORS FACE WERE STILL ROUGH CASTING, THIS CAUSED ROUGH BRAKING AND EARLY BRAKE PAD FAILURE. DEALER AND GM REFUSED TO REPAIR UNDER WARRANTY, CLAIMED THEY WERE OK. I WILL NOT BUY ANOTHER GM PRODUCT FOR THEIR LACK OF CONCERN. STATE INSPECTION REQUIRES 100% CLEAN UP OF MACHINED SURFACE ON ROTORS. *TR
NHTSA ODI #10310779
Mileage unknown · Dec 5, 2007
Service Brakes, HydraulicSteeringCrashInjury
I WAS DRIVING MY 2004 H2 HUMMER. I WAS ON A DEEP SLOPE HILL. I WAS BACKING UP AND I HIT A 500 SERIES MERCEDEZ ON HIS LEFT BUMPER FROM LEFT REAR BUMPER. IMMEDIATELY AFTER I HIT, I STARTED TO SHIFT THE GEAR SO THAT I COULD STOP THE CAR TO GET OUT TO SEE WHAT HAPPENED. AT THIS POINT, THE HUMMER STARTED TO TRAVEL AT VERY FAST SPEED …
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I WAS DRIVING MY 2004 H2 HUMMER. I WAS ON A DEEP SLOPE HILL. I WAS BACKING UP AND I HIT A 500 SERIES MERCEDEZ ON HIS LEFT BUMPER FROM LEFT REAR BUMPER. IMMEDIATELY AFTER I HIT, I STARTED TO SHIFT THE GEAR SO THAT I COULD STOP THE CAR TO GET OUT TO SEE WHAT HAPPENED. AT THIS POINT, THE HUMMER STARTED TO TRAVEL AT VERY FAST SPEED DOWN THE STREET IN THE SAME PATTERN THAT I HAD ORIGINALLY DRIVEN UP. I TRIED TO APPLY THE BRAKES, BRAKES DID NOT WORK. I TRIED TO STEER, STEERING WAS IN A LOCK POSITION. I HIT A PEDESTRIAN HARD AND MY CAR LANDED IN MY NEIGHBOR'S HOUSE. WHEN I HIT THE HOUSE, THE 2 FRONT WHEELS BECAME DETACHED FROM THE CAR. THE PEDESTRIAN THAT I HIT HAS INCURRED MANY SERIOUS DAMAGES. I HAD 1 ENGINEERING COMPANY LOOK AT THE CAR BACK IN 2004 AFTER THE ACCIDENT AND THEY SAID THEY COULD NOT FIND ANYTHING WRONG. WHEN I LOOK NOW, I'VE HEARD OF MANY CASES WHERE SIMILAR INCIDENTS HAVE OCCURRED DUE TO BRAKES. I AM CURRENTLY IN COURT FOR ANOTHER 1 WEEK AS THIS PEDESTRIAN IS NOW SUING ME. I PLEAD TO ALL H2 HUMMER OWNERS TO CONTRIBUTE ANY INFORMATION THAT THEY MAY HAVE ABOUT OTHER HUMMER OWNERS OR THEIR OWN EXPERIENCE. YOUR CONTRIBUTION TO THIS MATTER IS HIGHLY APPRECIATED. *TR
NHTSA ODI #10210958
61,000 miles · Nov 20, 2007
Service Brakes, HydraulicSteering
TL*THE CONTACT OWNS A 2004 HUMMER H2. WHILE DRIVING 55 MPH, THE HYDRAULIC SERVICE BRAKES BECAME STIFF AND MADE IT DIFFICULT TO STOP THE VEHICLE. THE CONTACT ALSO EXPERIENCED STEERING FAILURE, WHICH NEARLY CAUSED A CRASH. THE HUMMER MANUFACTURER STATED THAT HIS VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBERS 05V043000, 04V04…
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TL*THE CONTACT OWNS A 2004 HUMMER H2. WHILE DRIVING 55 MPH, THE HYDRAULIC SERVICE BRAKES BECAME STIFF AND MADE IT DIFFICULT TO STOP THE VEHICLE. THE CONTACT ALSO EXPERIENCED STEERING FAILURE, WHICH NEARLY CAUSED A CRASH. THE HUMMER MANUFACTURER STATED THAT HIS VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBERS 05V043000, 04V045000 AND 06E010000. THE PURCHASE DATE WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 61,000.
NHTSA ODI #10209587
Mileage unknown · Aug 3, 2005
Service Brakes, Hydraulic
DT: 2004 GMC HUMMER THE CONSUMER STATES HE HAD TO MAKE AN EMERGENCY STOP AND THE BRAKES WENT ALMOST TO THE FLOOR. THE VEHICLE WAS TAKEN TO THE DEALERSHIP AND THEY COULD NOT FIND ANYTHING WRONG WITH IT. THE CONSUMER TRIED TO DUPLICATE THE PROBLEM HIMSELF AND IT DID THE SAME THING AGAIN. HE FEELS IT WILL NOT STOP IN TIME DURING…
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DT: 2004 GMC HUMMER THE CONSUMER STATES HE HAD TO MAKE AN EMERGENCY STOP AND THE BRAKES WENT ALMOST TO THE FLOOR. THE VEHICLE WAS TAKEN TO THE DEALERSHIP AND THEY COULD NOT FIND ANYTHING WRONG WITH IT. THE CONSUMER TRIED TO DUPLICATE THE PROBLEM HIMSELF AND IT DID THE SAME THING AGAIN. HE FEELS IT WILL NOT STOP IN TIME DURING AN EMERGENCY. THE MANUFACTURER TOLD THE CONSUMER TO TAKE THE VEHICLE TO THE DEALERSHIP. THIS ALMOST CAUSED AN ACCIDENT. THE BRAKES FAIL EVERY TIME THE CONSUMER NEEDS TO MAKE AN EMERGENCY STOP. *NM
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.
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
Consequence & remedy
Consequence: IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA. THE PRESENCE OF THIS CRACK OR FRACTURED SURFACE COULD ALLOW THE HYDRAULIC FLUID TO LEAK FROM THE ACCUMULATOR CIRCUIT OF THE BOOSTER ASSEMBLY. THE LOSS OF FLUID WOULD CAUSE INCREASED STEERING AND BRAKING EFFORT AND A CRASH MAY OCCUR WITHOUT PRIOR WARNING.
Remedy: DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.
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.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
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.
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