Ford F-250 and F-350 (2017 - 2021) Haynes Repair Manual

From Oil Changes to Engine Repairs - You've Got This

This guide has everything you need to take care of your car's maintenance and repair. With clear step-by-step instructions, detailed photos and easy-to-follow diagrams, you'll learn how to handle all essential work, from routine servicing to major repairs, installations and removals.

For over 60 years, Haynes has been the go-to name in automotive repair. Trusted by DIYers and enthusiasts alike, our guides are built on decades of hands-on experience and expert knowledge, so you can be sure you're getting the right information, right when you need it.

Why Pay a Mechanic for Something You Can Do Yourself?

With the right know-how and tools, it's easier than you think - and this Haynes manual shows you how. Inside and with bonus online content, you'll learn the essential techniques, tips and tools to handle maintenance and repairs the right way. You'll also get trusted, accurate info on torque settings, lubricants, tire pressures and more, so you can work safely and with confidence every step of the way.

Keep It Running, Keep It Yours

Regular maintenance is one of the most effective ways to prevent an unexpected breakdown and unwanted trips to the mechanic. By keeping your car's vital systems, like brakes, cooling, and engine in good condition you'll be able to catch small issues before they become big problems.

This guide takes you through essential tasks like oil changes, fluids checks and best inspections to help ensure your vehicle runs smoothly, reliably and safely.

Straight Answers for Your Make and Model

When you're working on your car, the last thing you need is conflicting advice or vague online videos. This manual takes the guesswork out of DIY with clear, accurate guidance that's specific to your exact make and model.

Everything is checked, double-checked and triple-checked by Haynes' experts, and written in plain, easy-to-understand language that's ideal for first-time and more experienced DIYers alike.

Your Super Duty Works Hard. This Manual Helps Keep It That Way.

For contractors, farmers, fleet operators, and small business owners, an F-250 or F-350 isn't just a vehicle - it's a piece of equipment that earns its keep every day. Downtime means missed jobs, missed deliveries, and unexpected costs that hit the bottom line directly.

This manual is built for owners who can't afford to wait a week for a dealer appointment or pay shop labor rates on repairs they could handle themselves. Whether you're running a single work truck or a small fleet, having the right repair information on hand means you can diagnose problems faster, understand what a mechanic is telling you, or handle straightforward jobs on your own schedule.

Regular servicing guided by accurate, vehicle-specific information is the most effective way to prevent the kind of breakdowns that sideline a working truck at the worst possible moment. Oil changes, brake inspections, cooling system checks, and diesel-specific maintenance done consistently and correctly are the difference between a truck that runs reliably past 200,000 miles and one that doesn't.

Keep this manual in the truck, in the shop, or on the shelf. When something goes wrong, you'll know exactly where to start.

Diagnose and Fix the Most Common Ford Super Duty Problems

F-250 and F-350 owners consistently report the same issues as mileage climbs on these hard-working trucks. Haynes manuals are built around the repairs owners actually need, covering the systems most commonly involved in problems like:

• Coolant leaks and overheating on both gasoline and diesel engines
• Death wobble and front-end steering shake
• Fuel system leaks and high-pressure fuel system service
• Starting problems
• Transmission rough shifting or failure
• Brake wear and service on heavy-duty applications
• Suspension and steering wear including ball joints and tie rods
• Body electrical system diagnosis

Whether your Super Duty is showing a warning light, making an unfamiliar noise, or simply due for a service, this manual gives you the diagnostic framework and repair procedures to understand what's wrong and how to address it - without paying dealer labor rates.

Coverage varies by engine and model year. Refer to the chapter list and online content for full details on what's included for your specific vehicle.