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2001 GMC Sierra 3500 Question: Can the oil pump seal be replaced without removing transmission?



vstinton, Conifer, CO, October 23, 2013, 12:39

Do you have to remove transmission to replace the oil pump seal like you do when replacing the rear engine seal? I have a severe oil leak that is blowing oil under the entire truck underside. I believe it to be the oil pump seal and not the real engine seal.

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