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Tag: duramax fuel filter primer pump

The Duramax is a great diesel, but it does have its shortcomings, and the air leak-prone fuel filter assembly is one of them.

Fuel Filter Fix: Rebuilding A Leaky Duramax Head

A common problem with high-mileage 2001-2010 Duramax trucks is that the fuel filter head assembly begins to develop air leaks. The engine’s CP3 high-pressure fuel […]