The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 2001 Allison 5-spd Auto maintenance question

**jocko** · 07-01-2022, 06:22 PM

Thanks for the reply biketopia, appreciate the input. My trans is bone stock, never apart. All my 2001 GM service manuals state Dex III for it originally, which has subsequently been superseded by Dex VI per TSB, so that's what I've been using.

07-01-2022, 06:22 PM	#7
jocko Senior Member Join Date: Oct 2009 Location: Godley, TX Posts: 17,934	Re: 2001 Allison 5-spd Auto maintenance question Thanks for the reply biketopia, appreciate the input. My trans is bone stock, never apart. All my 2001 GM service manuals state Dex III for it originally, which has subsequently been superseded by Dex VI per TSB, so that's what I've been using.