Regan Brown
Duramax fuel filters should be replaced regularly to keep your vehicle in good condition. The recommended replacement interval varies depending on the source, with some suggesting every 10,000 miles, others every 15,000 to 20,000 miles, and some even opting for a yearly replacement. The owner's manual for a 2015 model suggests a replacement every 22,500 miles or every 2 years.
| Characteristics | Values |
|---|---|
| How often to replace the filter | Every 10,000 miles or every 2 years |
| Every 15,000-20,000 miles if you have a quality pre-filtration set up | |
| Every other oil change (15,000 miles) | |
| Once a year |
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What You'll Learn
Duramax fuel filters should be changed every 10,000 miles
The DIC (Driver Information Centre) on late Duramax models provides a real-time evaluation of the filter's condition, so you can also use this to determine when to change your fuel filter. If you have a quality pre-filtration setup, you may be able to increase the interval between fuel filter changes to 15,000-20,000 miles.
It's important to note that the fuel filter does not stop 100% of dirt and debris, so the longer you wait between changes, the more contaminants will be pumped through the injection system. This can cause damage to the injector and CP3, which can be expensive to repair. Therefore, it's generally recommended to change your Duramax fuel filter no later than every 10,000 miles to maintain optimal engine performance and avoid costly repairs.
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Duramax fuel filters should be changed every 2 years
The general consensus is that Duramax fuel filters should be changed every 10,000 miles, although this interval can be increased to 15,000-20,000 miles if you have a quality pre-filtration set-up. Some people change their fuel filters every other oil change, which is around 15,000 miles. Others change their fuel filters once a year, although this may be overkill for some.
It is important to note that the DIC filter on all late Duramaxs is geared to a real-time, real evaluation of your filter condition. Therefore, you should also change your fuel filter when the DIC tells you to. This is usually around 15,000-20,000 miles.
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Duramax fuel filters should be changed every other oil change
Some people prefer to change their fuel filters more often, such as every 7,000 miles, or even every year. This is not necessary, but it can be a good idea to ensure that your fuel filter is always in good condition.
The DIC filter on late Duramaxs is geared to a real-time, real evaluation of your filter condition. This means that you can also go by the DIC and change your fuel filter when it tells you to. However, it is important to note that the fuel filter does not stop 100% of dirt and other debris, so the longer you run a filter, the more contaminants will be pumped through the injection system, which can cause damage and be expensive to repair.
Changing your fuel filter regularly is an important part of maintaining your Duramax. By doing so, you can help to ensure that your vehicle is running efficiently and avoid costly repairs down the line.
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Duramax fuel filters should be changed when the DIC tells you to
Some people prefer to change their fuel filter every 10,000 miles, which is also a safe interval. This interval may be increased to 15,000-20,000 miles if you have a quality pre-filtration set-up.
Changing your fuel filter every other oil change is also a good rule of thumb. This is because, at the second oil change, the fuel filter usually still shows 50% life. However, if you wait too long to change your fuel filter, contaminants will be pumped through the injection system, which can cause damage to the injector and CP3 and will be very expensive to repair.
Some people prefer to change their fuel filter once a year, although this may be overkill for some.
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Duramax fuel filters should be changed once a year
Changing your fuel filter regularly is important to prevent damage to your injection system. The fuel filter does not stop 100% of dirt and debris, so over time, more contaminants will be pumped through the injection system. This can cause expensive repairs, so it is better to be safe and change your fuel filter once a year or every 10,000 miles, whichever comes first.
Some people may argue that changing your fuel filter once a year is overkill, but it is always better to be safe than sorry when it comes to your vehicle's maintenance. By changing your fuel filter regularly, you can help ensure that your Duramax is running efficiently and avoid any potential issues down the road.
In addition to changing your fuel filter, it is also important to drain the water from the FWS filter regularly. However, some people have reported that they never found any water in the fuel when they drained it, so this may not be necessary for everyone. Ultimately, it is up to the individual to decide how often to change their fuel filter, but doing it once a year is a good guideline to follow.
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Frequently asked questions
Duramax fuel filters should be replaced every 10,000 miles. This can be increased to 15,000-20,000 miles if you have a quality pre-filtration set-up.
If you change your oil every 10,000 miles, you should change your fuel filter every other oil change. This means you should change your fuel filter every 20,000 miles.
Duramax fuel filters should be replaced every two years.
