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Oil is essential for the maintenance of any diesel engine, and that goes for the Ford Powerstroke 6.7 as well. This engine is found on Super Duty F-250, F-350, and F-450 models. The oil is responsible for lubricating the parts and components that send air and fuel to the engine. You’ll need to change your oil at regular intervals to protect your engine from lasting wear and tear. If you have a Ford Powerstroke 6.7, use this guide to learn about the proper engine oil requirements.
Oil Recommendations for a Ford Powerstroke 6.7
How Much Oil?
The Ford Powerstroke 6.7 requires 15 quarts (14.2 L) of diesel-grade motor oil, according to the manufacturer’s requirements. This is also the capacity of the oil tank. Do not overfill the oil tank for any reason, as excess oil could spill into the crankcase. Use caution when emptying the oil into the tank to prevent spills and leaks.
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What Kind of Oil?
Ford recommends using the following types of motor oil on the Powerstroke 6.7:
- Motorcraft® SAE 10W-30 Super Duty Diesel Motor Oil XO-10W30-QSD
- Motorcraft® SAE 10W-30 Super Duty Diesel Motor Oil CXO-10W30-LSD12
- Motorcraft® SAE 15W-40 Super Duty Diesel Motor Oil XO-15W40-QSD
- Motorcraft® SAE 15W-40 Super Duty Diesel Motor Oil CXO-15W40-LSD12
- Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor Oil XO-5W40-5QSD
- Motorcraft® SAE 0W-40 Full Synthetic Diesel Motor Oil XO-0W40-DAS
Be sure to use the recommended oil or you could damage your vehicle’s oil system. These motor oils use a special formula that’s designed specifically for the Powerstroke 6.7. It’s important to keep your oil at the proper viscosity as well. If you use the wrong type of oil at the wrong viscosity, you could void your warranty and end up with reduced fuel efficiency.
When to Change Your Oil
Experts recommend changing the oil on a Ford Powerstroke 6.7 every 75,000 miles, but the range varies based on the age and condition of your vehicle. If you have an older vehicle or regularly tow heavy loads at high speeds, consider changing the oil every 50,000 miles instead.
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It’s important to change your oil, as it fills with particulate matter over time. The oil system recycles the oil, which means it could spread the particulate matter, including soot and ash, throughout the engine. This could clog specific components that depend on the oil for lubrication, including the diesel fuel injectors. These parts need to stay clean to deliver the fuel directly into the engine. If they clog or break down, the engine will fail to fire. Be sure to replace the oil filter at the 75,000-mile mark as well. The oil filter is responsible for straining out the particulate matter that can clog the engine. If you change the oil and not the filter, it will quickly fill with soot and ash that’s been sitting inside the oil system.
Maintaining Your Oil System
The oil system is made up of more than just the oil running through it. It is made up of various components that keep the oil under pressure and at the proper temperature. You’ll need to replace the different parts of your oil system as they age, including the high-pressure oil pump, oil cooler, and oil cooler gasket, which seals the oil in the cooler to prevent leaks.
What is an oil cooler anyway? It lowers the temperature of the oil before recirculating it back through the engine. Using poor-quality oil or forgetting to change your oil will only put additional pressure on these parts, causing them to break down sooner than expected. You can find a replacement oil cooler gasket and other oil system parts for the Powerstroke 6.7 online. Stock up on everything you need to repair and replace your diesel’s oil system to fix these issues as they appear. You don’t want to take your truck off the road because the local mechanic doesn’t have the needed parts. The oil system in your Powerstroke 6.7 won’t last forever. Keep these maintenance tips in mind to prevent additional wear and tear.