Jeremiah's Mommy
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- Nov 15, 2010
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I get all of the maintenance work needed for my 06 Avalanche done at the dealership service center. The last time I was there, they said that I needed to have work done on the differentials that will cost approximately $700. They didn't say anything was wrong with the differentials, they just said that it is recommended after 75,000 miles. How do I know if this is really needed or if they just want more money?