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Old 08-12-2012, 06:47 PM   #4
badpontiacs
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Join Date: Nov 2011
Location: Valparaiso, Indiana
Posts: 195
Re: 2007 Yukon Denali XL lift gate question.

It may need a new lift support shock. I have seen that happen before, also have seen the sensor being the cause. With a tech2 they will be able to tell pretty quickly what the problem is.
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