C 3500 Truck 2WD V8-454 7.4L (1990)
Seals and Gaskets: Service and Repair
Turbo Hydra-Matic 3L80 & 3L80HD (400 & 475)
1.
Remove propeller shaft.
2.
Pry out seal with screwdriver.
3.
Install new seal with a suitable seal driver.
4.
Install propeller shaft.
