Baller makeall6 Posted July 14, 2023 Baller Share Posted July 14, 2023 I apologize for asking a question that has been asked many times. I have a 2004 with the Excalibur engine. I know that the type of transmission fluid that is sold has changed over the years, so what type should I purchase? It is time to change it. Thanks! Link to comment Share on other sites More sharing options...
Baller eyepeeler Posted July 14, 2023 Baller Share Posted July 14, 2023 Owner's manual is your friend. Link to comment Share on other sites More sharing options...
Baller swc5150 Posted July 14, 2023 Baller Share Posted July 14, 2023 Royal Purple Max ATF is my go-to. 1 Link to comment Share on other sites More sharing options...
Baller BraceMaker Posted July 14, 2023 Baller Share Posted July 14, 2023 You either have motor oil or atf. Keep with what its had Link to comment Share on other sites More sharing options...
Baller Jmoski Posted July 14, 2023 Baller Share Posted July 14, 2023 Most likely your manual calls for Dextron III, which GM is no longer “certifying” anymore given they released Dextron 6 (which is synthetic) as its replacement for modern vehicles. So what you can get at the auto parts store is labeled Dex/merc which is still dex-3, it just doesn’t have the label anymore. 3 1 Link to comment Share on other sites More sharing options...
Baller makeall6 Posted July 15, 2023 Author Baller Share Posted July 15, 2023 Thanks to all. Dex/merc it is. Link to comment Share on other sites More sharing options...
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