Question about 2005 GMC Yukon Xl Denali

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2004 yukon xl denali self-leveling rear air shocks

I have a 2007 Yukon Xl Denali with a self-leveling rear air shocks. They are shot, but the other thing is that I think that the air compressor is not working anymore either.

How can I check whether the compressor is still working?

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  • 7 more comments 
  • Anonymous Feb 07, 2009

    i checked the big fuse and its ok.does my 2002 gmc denali have a leveler control on the right side too? i noticed that i stopped hearing the compressor motor

  • mayordave Mar 28, 2009

    2005 Denali, Ride control Compressor not working. Can't find a fuse. The fuse information under the cover doesn't seem to match the fuse box.

  • Anonymous Mar 14, 2014

    FIX 2003 yukon xl REAR WIPER.

  • Anonymous Mar 15, 2014

    cruise control on my 2007 yukon denali is not working. Is this affected by ride control

  • Anonymous Mar 15, 2014

    2007 yukon denali cruise is not working. Can this be affect by the air ride control

  • Anonymous Mar 27, 2014

    2007 Yukon XL park assistance off button does work to turn on what do I do

  • Anonymous Mar 28, 2014

    the air compressor dosen't work and the shocks too

  • Anonymous Mar 29, 2014

    my air shocks compressor is not working what could be the problem,your help is appreciate.

  • Anonymous Mar 31, 2014

    hardly used think interior bracket that allows for self leveling is broken or loose

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There's a lever that connects the driver-side rear shock to the Automatic Level Control module (the air compressor and the ride-height sensor). Disconnect the lever from the shock and rotate it up and hold it. The compressor should kick in when you hold in place after a few seconds. If it doesn't kick in, make sure your fuses and relays are good. Otherwise, you may have a failed ALC module/burned out air compressor (from the shocks being shot). After you replace the shocks (and after you recouped from the heart attack you had when you shelled out $500+ for each shock), replace the ALC module/compressor (it's all one unit), and test it - it should kick on when you rotate the lever up again.

Figure about $350 for the ALC module from your dealer, and make sure the part numbers match! Your truck came with an upgraded ALC module from the 2001-2004 module, which were prone to water damage.

Good luck!

Posted on Dec 30, 2008

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VERY COMMON FOR COMPRESSOR TO SEIZE UP BECAUSE OF ITS LOCATION... VERY EXPENSIVE FROM THE DEALER..500.00 , ARNOTT INDUSTRIES HAS AN AFFORDABLE AFTERMARKET FOR AROUND 150.00

Posted on Jun 01, 2009

There is a large fuse under the hood in the fuse box that is blown.

Posted on Oct 03, 2008

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