Question about Hummer H2

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2005 hummer h2 - air suspension will not inflate - pump switches in and out for 2 seconds

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  • info45322 May 27, 2010

    can you also tell me the location of the power up relay for the air suspension.

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Replace the pumps relay for it does not hold the circuit closed when operating the pump

Posted on May 27, 2010

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Have you checked for codes?
this is not something they can do at the parts store because you need a professional scan-tool to pull hard/soft codes from the suspension module

additionally, are you dealing with the front or rear suspension issue?

Can you hear the compressor running for either?

Most of the time I find that there is a broke line or clogged vent

Posted on May 26, 2010

  • info45322 May 26, 2010

    HI Reisdos,



    Thank you for your response.



    We are dealing with the rear ais suspension.



    When you switch the ignition on the compressor cuts in and out for three cycles and then stops.

    The rear suspension is stuck at its lowest point and the air suspension service light is on..



  • Sean Reisdorf
    Sean Reisdorf May 26, 2010

    thanks for the quick reply

    with the compressor running and the suspension light on we can rule out a lot of things

    if you can give me the code I can help you further but my best gues right now is either a ruptured line.bag or faulty height sensor

    BTW... my name is Sean





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