And since we're now over in Big Bolts, I guess I can follow up with, does anyone know where I might find the overhaul instructions for this axle? I have a 1967 GMC medium duty truck service manual, but it doesn't go into detail on the T170, so I assume that got its own tech manual.

Edit: found it! https://67-72chevytrucks.com/vboard/showthread.php?p=5781194

Last edited by Tronman; 02/05/2024 6:03 PM.

1965 C60 school bus | 1967 GMC 6500 school bus