Model year record

2004 HUMMER H2

3 recall campaigns on file for this model year. 75 owner complaints on file.

Recalls

Recall campaignNHTSA 05V163000

Seat belts: rear/other

Component
Seat belts: rear/other
Manufacturer
GENERAL MOTORS CORP.
Vehicles affected
1,359,824
Reported to NHTSA
2005-04-22
Owners notified
2005-07-21

Defect description

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.

Safety risk

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.

Manufacturer 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.

Recall campaignNHTSA 05V043000

Service brakes, hydraulic

Component
Service brakes, hydraulic
Manufacturer
GENERAL MOTORS CORP.
Vehicles affected
77,411
Reported to NHTSA
2005-02-08
Owners notified
2005-03-23

Defect description

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.

Safety risk

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.

Manufacturer 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.

Recall campaignNHTSA 04V045000

Service brakes, hydraulic

Component
Service brakes, hydraulic
Manufacturer
GENERAL MOTORS CORP.
Vehicles affected
68,875
Reported to NHTSA
2004-02-04
Owners notified
2004-06-18

Defect description

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.

Safety risk

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.

Manufacturer 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.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

ComponentComplaintsMedian mileage
Electrical system1098,720 mi
Service brakes883,014 mi
Service brakes, hydraulic611,000 mi
Visibility584,300 mi
Air bags335,000 mi
Steering359,000 mi
Visibility/wiper398,720 mi
Electrical system: instrument cluster/panel250,000 mi
Electrical system: instrument panel: speedometer/odometer2210,000 mi
Electronic stability control (ESC)2165,975 mi
Engine2165,975 mi
Structure: frame and members24,000 mi
Unknown or other2113,784 mi
Visibility: windshield wiper/washer: motor246,000 mi
Electrical system: ignition: switch111,013 mi
Engine and engine cooling148,354 mi
Equipment: appliance: air conditioner110,000 mi
Exterior lighting198,720 mi
Latches/locks/linkages: hood: latch141,400 mi
Power train193,900 mi
Power train: automatic transmission192,000 mi
Seat belts1
Seats1155,000 mi
Steering: hydraulic power assist: power steering fluid110,000 mi
Steering: linkages: knuckle: spindle: arm17,000 mi
Steering: linkages: tie rod assembly143,600 mi
Structure: body: hood159,000 mi
Suspension: front159,000 mi
Suspension: front: control arm: upper ball joint13,000 mi
Suspension: front: springs: leaf spring assembly: u-bolt, leaf spring to axle1100,000 mi
Tires1205,000 mi
Vehicle speed control1
Visibility: rear window wiper/washer1
Visibility: rearview mirrors/devices140,000 mi
Visibility: rearview mirrors/devices: exterior159,000 mi
Visibility: windshield wiper/washer1118,000 mi
Wheels179,550 mi

The 2003 model has about half as many complaints as this one. The 2005 model has about half as many complaints as this one. These figures reflect raw complaint counts, not failure rates. Higher-selling model years naturally receive more complaints.

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.