G 3500 1 Ton Van V8-454 7.4L (1989)
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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.