Q:

What are a few known problems with the Hummer H2?

A:

Quick Answer

Common mechanical problems with the Hummer H2 include issues with the brakes and suspension, issues with heating and air conditioning, fuel pump failures, and issues with the vehicle battery draining for a variety of reasons. These issues have been reported during the Hummer H2's entire production run.

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Full Answer

The fuel pump failure on the Hummer H2, which typically allows the vehicle to turn over but prevents it from starting, can indicate an issue with the pump or the sensor in the gas tank. The Hummer H2 Mode Door Actuator is prone to failure, causing only hot air to issue from the defroster and vents, regardless of the interior temperature setting.

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