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2003 Chevrolet Silverado SS Question: Trans fluid spec



, Glen Mills, PA, March 04, 2010, 19:00

What is the OEM spec for auto trans fluid in the '03 Silverado SS, 6.0liter engine? Is it synthetic? Is it Dexron IV?

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  • Answer #1

    March 04, 2010, 19:06

    Napa shows Dexron III and Dexron VI and my other catalog shows the same two choices

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