| 1 | 0 | 3 | 4 | 3 | 4 |
Expensive Hummer H3 repairs by problem area
Engine (45%)
Transmission and Drivetrain (25%)
Brakes and Traction Control (8%)
Suspension and Steering (15%)
Electrical and Air Conditioning (3%)
Paint, Rust, Leaks, Rattles, and Trim (5%)
Other (0%)
Chart based on 40 repairs.
Hummer H3 repair cost distribution
$2500+ (45%)
$1000 - $2499 (55%)
$500 - $999 (0%)
$100 - $499 (0%)
< $100 (0%)
Chart based on 29 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2009 Hummer H3 4dr SUV
295-horsepower 5.3L V8 4-speed automatic AWD w/low range
| 44000 mi US $2400 |
washer pump would not spray fluid onto the windshield trans cooler leaked water into transmission- required new trans cooler and transmission rebuild |
| 143000 mi US $199 |
blower motor emplacement |
2008.5 Hummer H3 4dr SUV
| 112000 mi US $2000 |
Transmission rebuilt. Cost was $2000. |
2008 Hummer H3 4dr SUV
295-horsepower 5.3L V8 4-speed automatic AWD w/low range
| 142100 mi US $7500 |
#5 bearing spun. Full engine replacement. |
| 157500 mi US $1000 |
Drivers front axle replaced. Axle wear could not keep seal. |
| 93700 mi US $108 |
Differential gasket leaking Oil Pan Gasket needed replacing, oil leak |
| 130000 mi US $285 |
Warped rotor, front passenger side caliper frozen |
| 134700 mi US $368 |
Starter replacement |
| 149000 mi US $250 |
Heat shield on catalytic converter came loose (rusted weld), put exhaust strap on it. |
| 149000 mi US $800 |
Had to replace front wheel hub |
| 150000 mi US $1250 |
Replaced cracked radiator |
| 162000 mi US $700 |
The Pass-Lock system was malfunctioning and I could not remove the key despite being in park. In addition, there was a passenger side leak (floor was getting saturated) in rain and had to replace weather stripping |
| 171000 mi US $600 |
driver's side axle seal replacement due to corrosion and ds wheel hub due to noise and excess movement. |
| 176000 mi US $1600 |
The vehicle went in for broken exhaust manifold bolts and an exhaust leak. I decided to replace both exhaust manifolds due to the age of the car but technically they were not required. Upon working on the car the mechanic noticed an extremely rust steering shaft which I decided to replace |
| 176000 mi US $8500 |
I had a lifter freeze and destroy the cam lobe. The noise was hidden by the exhaust leak and became very apparent when exhaust was fixed. I could have replaced the lifter and cam but chose to replace the motor due to high mileage and metal particles in the oil. The cost of the motor replacement would have been $7k but I chose to replace all hoses, alternator, water pump, thermostat, fan clutch , plugs, coils, etc. If I had just done the lifter and cam the cost woudl have stayed around $1k |
| 63000 mi US $1750 |
Torn inner and outer cv boots driver side Top of radiator leaking because of no padding on upper retaining bracket. Original OEM design and install. DTC P0121. tech found the throttle body bad. |
2008 Hummer H3 4dr SUV
242-horsepower 3.7L I5 4-speed automatic AWD w/low range
| 97000 mi US $240 |
Inner tie rods needed replacement. |
| 97000 mi US $524 |
Front right bearing needed replacement. |
| 103000 mi US $250 |
Engine started running warm on warmer days. Thermostat needed to be replaced. |
| 109000 mi US $500 |
Front differential bushings were shot and needed replacement. |
| 111000 mi US $1200 |
Both front wheel bearings were worn and needed replacement. |
| 45000 mi US $170 |
Engine service light replace Gas Cap.1st. according to repair manual. Then had to replace Gas tank Pressure valve at gas tank. New Battery |
| 59000 mi US $5900 |
tires & rims Chrome coming off old rims. Lub Eng,Front & rear Diff,Transfer case & Auto Trans. brake lines fuel inj flush |
2007 Hummer H3 4dr SUV
242-horsepower 3.7L I5 5-speed manual AWD w/low range
| 75000 mi US $5000 |
transmission went out, limped in |
| 121000 mi US $1384 |
Leaking out of the output transfer case seal, and clutch slip. |
| 67000 mi US $2600 |
Cylinder number 5 misfiring, valves stuck. Entire block needed rebuilt. This is a common problem with this engine and GM is ignoring. |
2007 Hummer H3 4dr SUV
242-horsepower 3.7L I5 4-speed automatic AWD w/low range
| 62000 mi US $2850 |
Complete cylinder head replacement. Top engine tear-down and reassembly. Due to engine misfire fault code and rough idle concerns. Poor acceleration after long haults at stop signals. |
| 85000 mi US $250 |
At 90000 miles Radiator's plastic top tank seams started leaking coolant and loss of cooling system pressure. |
| 92700 mi US $5000 |
Poor engine cylinder head design at manufacturer. Engine studder and misfire at idle while in gear with foot on brake.Replaced cylinder head w/ new and problem returned after appx. 4000 miles. |
| 100000 mi US $350 |
HVAC system Heater temperature would not adjust to hothe settings. |
| 92500 mi US $3000 |
Cylinder Head is bad. Needs to be completly replaced. |
| 58200 mi US $1290 |
Water pump replacement Expansion valve replacement |
| 67000 mi US $1200 |
Radiator split apart and had to be replaced |
| 70000 mi US $870 |
Needed new control head. System not cooling |
| 74000 mi US $270 |
wiring harness for dash ac/defrost/heat fan burned out and had to be replaced. |
| 86000 mi US $3899 |
catalytic converter bracket broken. Bolts broken off in head. replaced head and catalytic converter because bracket and converter are one piece. |
| 97600 mi US $9000 |
replaced power steering pump replaced radiator replaced engine, $6000 |
| 48000 mi US $780 |
Right side wheel brg. And hub assy. Broke.play as much as 2 " in wheel and tire when on lift. Rotate tires found problem.hummer drove as though there was nothing wrong,,wow. |
| 52000 mi US $786 |
Cracked wheel bearing,passenger side. |
| 68000 mi US $1100 |
Drivers side wheel bearing,belt,rear brakes,alignment inspection,rear shocks. |
| 52500 mi US $300 |
Pass lock system,replaced ignition tumbler. |
| 76000 mi US $1200 |
Shocks,front, breaks front, tires all four. |
2006 Hummer H3 4dr SUV
220-horsepower 3.5L I5 5-speed manual AWD w/low range
| 98000 mi US $7200 |
A Rod in the engine failed. The entire engine was replaced along with a new clutch. |
2006 Hummer H3 4dr SUV
220-horsepower 3.5L I5 4-speed automatic AWD w/low range
| 59000 mi US $5000 |
Something replaced but not rebuilt |
| 78300 mi US $125 |
Leaky oil seal front transaxle. |
| 89200 mi US $2000 |
Fuel Tank leaked had to replace it. Upstream Oxygen Sensor bad, had that replaced. Fuel pump rusted, connectors broke and had to replace pump and a fuel hose. |
| 118000 mi US $200 |
Steering shaft |
| 71000 mi US $1000 |
Power steering belt replaced; worn out |
| 79000 mi US $1300 |
Just got the recall on brakelines. Have not been in shop yet. |
| 59000 mi US $180 |
Climate control unit light and rear door switch. Driver's door hinge. |
| 65000 mi US $190 |
Outside mirrors vibrate |
| 95000 mi US $395 |
Ignition key could not be removed from ignition. Replaced two (2) sensors, did not correct problem. Disconnected brake switch. |
| 105400 mi US $550 |
Replaced blower motor resistor and plug module. |
| 122300 mi US $2100 |
Rebuilt the transmission. |
| 133000 mi US $2000 |
Both front wheel bearings, right front axle, front brakes, both rotors and brake calipers. |
| 90 mi US $30000 |
Fixed cracked in roof rail. Replaced Traction Control Sensor. |
| 103800 mi US $2300 |
Replaced transmission |
See TrueDelta's information for all Hummer models.
