I recently purchased an 04 silverado with the 4l60e. Currently has 146k. No idea if it has been changed before or not. But I was going to do a trans filter and some new fluid just for maintenance. I believe the manual says dexron 3 but it's now superceded to dexron vi I believe? What brand do you recommend for me? I don't tow anything heavy and it's basically my daily driver.
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