Extension Housing Bushing & Seal Replacement Astro / Safari

How to replace the transmission's case extension bushing and seal. Video shows important details, torque specifications, and service info recommended by GM. We also replace the transmission mount. Video applies to all RWD Astro & Safaris with the 4L60E transmission.

[@СергейВетшев]

Good work! Maybe you know - is it possible to replace the original transmission with a 5 or 6 speed?

[@OldSchoolNoe]

I've never done it on the Astro/Safaris.