Common questions

How can I fix a leak in my Duramax fuel filter?

How can I fix a leak in my Duramax fuel filter?

Prime the system by pumping the primer plunger repeatedly until it becomes firm, and then start the engine. After starting, make a thorough check for fuel leaks before driving the truck. The billet aluminum parts in the Master Kit look good, but they aren’t just there for looks.

How often should I Change my Duramax fuel filter?

Many first-time diesel truck owners think you need to change a diesel filter at the same interval as a gas engine, but in reality, it needs to be changed much sooner. While a gas engine might make it 75k before a filter change, it should be common practice to change a Duramax fuel filter every 10,000 miles.

How does the fuel pump work on a Duramax?

Finally, once the pressurized fuel enters the injector, it either gets sprayed directly into the cylinder to make a big boom, or if there is extra, it flows back to the tank through the injector return to start its journey all over again.

What kind of screws are in a Duramax fuel filter?

The billet aluminum parts in the Master Kit look good, but they aren’t just there for looks. A billet aluminum bleeder screw replaces the factory-installed plastic bleeder screw, which is flimsy and prone to stripping and cracking.

How do I replace diesel fuel filter?

How to Change a Diesel Fuel Filter Step 1 – Locate the Filter Step 2 – Detach the Old Filter Step 3 – Install the New Filter Step 4 – Clean Up Step 5 – Refill Fuel Lines with Fuel Step 6 – Dispose of Old Filter

What’s in a diesel fuel filter?

All diesel fuel contains a substance known as asphaltene. Asphaltene particles are generally thought to be in the 1/2 to 2-micron range. While these particles do not harm the injection system, they tend to stick to the individual fibers of the filter as they pass through the filter.

Why is filter diesel fuel?

The purpose of a diesel fuel filter is to ensure that fuel is clean before it gets to the injectors. Modern diesel fuel injection systems are precision engineered with extremely low tolerances. These systems create a great deal of heat and rely on an unobstructed fuel flow to keep the fuel pump and injectors cool.

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Ruth Doyle