ABS Activating

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Thread: ABS Activating

  1. #1
    Walking 2007GMCSierraSLE's Avatar
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    ABS Activating

    I have asked this question before, but can’t get a response. My 2007 GMC new body style has a 6” Rancho suspension and 35/12.5/20 tires. I have been chasing a ghost with this truck as the ABS on the front will activate a slow speeds when I turn, it doesn’t do it every time, but I can make it do it. I have replaced the hub assemblies and speed sensors, but it keeps doing it. No codes or other issues. It doesn’t make sense that it only happens on certain turns and it always seems to be the outside wheel, left front when making a right turn and right front when making a left turn. It obviously thinks that wheel needs to slow down. Tech2 showed everything working as it should. Is it possible the lift is throwing off the Yaw sensor? Any ideas? Help!

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    6.2 Liter LS9 Supercharged V8 richmond2000's Avatar
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    Re: ABS Activating

    I had a 2007 Avalanche that did the same thing it had 2 1/2 inch rancho "quicklift" struts in the front and NEW factory height rear springs on factory sized tires
    same thing tech2 showed nothing unusual and NO codes or anything
    even used a scangauge to see the wheel speed sensors and they LOOKED normal
    I never did figure it out

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