Does anyone know where I can find detailed tear-down and rebuild instructions for my powerglide transmission in my '70 Malibu?

I've seen books and video tapes availabe for the Th-350 and Th-400 all the time, but nothing for powerglides. Is there a source?

Why rebuild a powerglide. A 350 fits in the same hole, and it has a extra gear. Should you have a floor shift, there are companys that make adapters that make it look factory stock. But, to answer your question, the factory shop manual, or anybody but AAMCO. AAMCO is the "CRAPPER" of the trans word.