D 350 Pickup L6-359 5.9L DSL (1989)
Remove the turbine shaft and heat shield.
Inspect the turbine blades and the shaft for excessive wear.
Remove and discard the piston ring type seal.
CAUTION: The wheel and shaft assembly is balanced as a unit. If the turbine blades or shaft are damaged, the complete assembly must be
replaced.
Remove and discard the outer retainer rings.