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Hummer H2For those who like a little more gleam to their Hummer, the H2 offers a similar rugged look as the H1, but as a lower cost, and with more added features, making it almost a massive luxury SUV.
I've few issue with AC in Hummer H2 2006
1- it's showing 3 codes B3770, B0414, B0424
2- when I press air recycling switch the AC compressor clutch engaging even though the snowflake switch is off!. I've tried different relay but still same
3- AC air temperature coming from all vents is 15C (59F).
4- when changing cooling temperature it doesn't change when it's set at 15C (59F) or 32C (89.6F) the air coming out from vents it's same 15C (59F).
I've changed compressor, condenser, drier, orifice tube and refrigerant filled properly no leaking found along with cleaning evaporator.
Hummer H2 2006 AC warm air 15C from vents
