Quote:
Originally Posted by Jaystroh
So this was posted on GM authority Page. Is there a new TSB on the fluid? I hadn’t seen one. Thought the correct fluid was Mobil 1 blue version.
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Quite possibly true. Before my engine let go they did the mobil one swap. When they put the new engine in they used Dex. This was about a month ago. Have to look through the TSB's to be sure. Still would rather have the mobil...