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  #1  
Old 08-30-2007, 09:45 PM
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does any else hear the compressor for the rear suspension

in my 2003 4.4

every time i start the vehicle, i hear a compressor noise...

anytime someone sits in the vehicle , i hear the compressor noise

i understand for self levelling purposes it is pumping the bags

but

should it be this loud
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  #2  
Old 08-31-2007, 05:28 AM
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Is the cover in the trunk loose and reducing the sound deadening effect?

I can only just hear mine when the car first starts, but not after that.
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Old 08-31-2007, 06:48 AM
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I have never heard mine even with the spare wheel cover removed. May be you have a slow leak. I tow a trailer around a fair bit with various loads, the car always sits level, I never hear the compressor.

And Yes I do have SLS.
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Old 08-31-2007, 01:22 PM
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I have the same problem. I bought a new compressor but havent put it in yet. Probably overkill.
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Old 08-31-2007, 02:01 PM
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i was geting the sls inactive error's..i think they are probably related....
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Old 09-01-2007, 12:58 AM
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I heard mine too for the few months before it went out...
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Old 09-01-2007, 11:13 PM
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I put my new one in today and the only problem with the old one was the compressor had a loose mounting bolt. If you need one let me know.
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