79 cadillac Deville

Asked by Guru9XM3CR May 29, 2021 at 06:47 AM about the 1979 Cadillac DeVille Convertible

Question type: Maintenance & Repair

I have a 79 Cadillac Deville with a 425 want to know to change the oil pump do
you have to drop the oil pan ?

1 Answer
157,505

James answered 3 years ago

Be sure to pack the new oil pump with Vaseline before you install it. The pump needs to be primed and if you don't use the Vaseline you won't have any oil pressure. Hope that helps! Jim

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