Here is some information to help you.
Important: Vehicles equipped with the 4.3L engines must have the two access caps (located at the bottom front of the transmission) removed to gain access to the torque converter through the torque converter housing.
Important: Support the transmission using a transmission jack with a safety chain prior to removing the transmission from the engine.
Important: J -21336 perverts the torque converter from pulling forward and dropping out of the transmission during engine and transmission separation.
Support the transmission with a transmission jack.
Important: The torque converter must be flush with the flywheel and rotate freely by hand.
Tighten Tighten transmission to engine bolts to 47 N·m (34 lb ft).
Tighten Tighten the bolts to 63 N·m (46 lb ft).
Tighten Tighten the bolts to 47 N·m (35 lb ft).
Tighten Tighten the bolts to 52 N·m (38 lb ft).
Tighten Tighten the bolts to 45 N·m (33 lb ft).
in General Information.