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Video23:31–23:51

Pre-filling a fuel filter before installation prevents injection airlocks

By Lauren Landers Sailing

Before mounting the new Nanni fuel filter, the episode shows pouring clean diesel fuel directly into the filter canister. The purpose of this step is to prevent airlocks in the injection system. Installing a dry filter can introduce air into the fuel line, which makes bleeding the system necessary and can cause hard starting or rough running after maintenance.

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