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Hummer H3 Most Common Problems (All Years)

10
radiator
10
wheel bearing / hub
7
CV joint / axle / half shaft
4
thermostat
4
water pump
3
damper / shock absorber
3
electrical connector / wiring for HVAC (heating, ventilation, A/C)
3
entire engine replaced
2
A/C recharge (no parts replaced)
2
axle seal / output seal
2
blower motor / HVAC interior fan
2
brake caliper
2
catalytic converter
2
CV boot
2
cylinder head
2
differential seal / pinion seal
2
differential, front or rear, replaced or rebuilt
2
driveshaft universal or CV joint
2
entire transmission
2
exhaust heat shield
 
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Chart is based on 149 vehicles in TrueDelta's reliability survey.
These are the problems owners most commonly reported on TrueDelta's Car Reliability Survey. For many models not all entries have been coded yet, so focus on the relative numbers rather than the absolute numbers. Usually when people say "they all have this problem," the problem in question actually affects between 10 percent and 20 percent of all cars. We aren't counting wear items like brake pads and rotors that truly do require periodic replacement on all cars.