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2008 Hummer H3 Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your 2008 Hummer H3

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2008 Hummer H3 Problems

Engine Misfire Due to Worn Valve Seat

The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Replacement of the cylinder head may be required to correct this concern.

Check Engine Light Due to Gas Cap Issue

A Loose or worn gas cap may cause Check Engine Light to illuminate.

Antifreeze

I don't have a leak and antifreeze goes low fast

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2008 Hummer H3 Questions

After my daughter was forced off a road by a truck in to a snowy ditch, my 2008 (1 answer)

H3 Hummer wouldn't drive in regular drive, only 4 wheel drive. The mechanic said the transfer box was damaged internally and found the radiator was cracked after smelling fluid. Said it was probably from accident, but can't say for certain. Car was fine before accident. Landed in ditch at...

Safety hazard if the exhaust manifold is cracked? (1 answer)

Shouldn't this be a recall on GMS part as a safety issue? I have been told that a cracked manifold is a known issue with these 5 cylinder engines. Can it be welded? Would that be as expensive as a new replacement?

how to do I remove the dashboard, and re-ground the A/c blower and control modul (1 answer)

what does the ground look like.

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2008 Hummer H3 Recalls

Heater 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 Hood Louver Could Detach from the Vehicle

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.

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2008 Hummer H3 Reviews

Rated
based on 1 customer reviews
Would buy another in a second...great vehicle.....Gets about 17MPG overall with standard driving with V8

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