Originally Posted by 52Carl
Another thing to check (if you still have the torque tube axle), is the rubber impregnated spring perch[/seat].
Carl is referring to this part. It fits inside a cast housing that bolts onto the middle of each spring-pack, holding the spring-pack to the rear end.

Are those two bushings inside the seats/perches tight on your truck?

rear spring seats

Tim
1954Advance-Design.com
1954 3106 Carryall Suburban
1954 3104 5-window pickup w/Hydra-Matic
The 216 and early 235 engines are not "splash oilers" -- this is a splash oiler.