2007 Hummer H3 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2007 Hummer H3
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
2007 Hummer H3 ProblemsEngine Misfire Due to Worn Valve Seat
A Loose or worn gas cap may cause Check Engine Light to illuminate.
I don't have a leak and antifreeze goes low fast
2007 Hummer H3 QuestionsKeys are out ignition and door is opened it dings constantly? Why? (1 answer)
To get out and the call is ring constantly and then stops after I close door? Why is this? Is a light out some where in hummet?
2007 Hummer H3 RecallsHeater And Air Conditioning Fan Speed Control Overheats
The connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat, causing a fire hazard. Dealers will replace part of the blower motor connector and harness free of charge to resolve the concern.
The retaining clips on the non-functional hood louver could brake. The louver could become loose and/or separate from the vehicle. If this were to happen while the vehicle is in motion, personal injury or property damage could result. Dealers will apply adhesive to the underside of the hood louver to secure it. The recall is scheduled to begin on April 12, 2010. The General Motors recall number is 10088.