2008 Hummer H3 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 Hummer H3

2008 Hummer H3
$159 to $412
2008 Hummer H3
$454 to $757
2008 Hummer H3
$619 to $834
2008 Hummer H3
$824 to $1,596
2008 Hummer H3
$393 to $653

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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.

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

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

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Thermostat + radiator changed ,antifreeze flushed and replaced, mech states bad guage any ideas what this may be I hear it's common in hummers? The guage stays half way while I drive goes up to 3/4 at idle never goes over never boils over, clutch fan does not have excessive play , please help...

engine lightbgoes on for a day then off for a month, car isn't making any loud noises, not sure where tomget checked?

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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.

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Would buy another in a second...great vehicle.....Gets about 17MPG overall with standard driving with V8

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