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Haynes

GMC Sierra 2500/3500 (2014-2019) Haynes Repair Manual

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  • The latest version of our print manual

Description

Engineered for power, towing, and tough workloads, the GMC Sierra 2500 and 3500 (2014–2019) are built to perform under pressure. Keep your heavy-duty truck reliable with the Haynes Repair Manual, your trusted step-by-step guide to maintenance and repairs designed for these Sierra HD models.

Expert Guidance You Can Trust

Each Haynes manual is created by our expert editorial team, drawing on practical repair knowledge and technical expertise. Inside, you’ll find clear instructions, torque specifications, detailed illustrations, and professional tips to help you complete repairs confidently while saving money on dealership costs.

Models Covered
  • GMC Sierra 2500HD / 3500HD (2014–2019)
    • 6.0L V8 gasoline
    • 6.6L V8 turbo-diesel Duramax (LML)
Common GMC Sierra 2500/3500 Issues (and How This Manual Helps)
  • DEF and emissions system faults – Diagnosis and component replacement guidance from around 70k miles
  • Turbocharger wear on Duramax engines – Troubleshooting and rebuild procedures from 80k+ miles
  • Allison automatic transmission problems – Fluid change intervals, fault codes, and step-by-step servicing covered
  • Front suspension wear – Tie-rod, ball joint, and bushing replacement explained in detail
  • Brake rotor and pad wear – Replacement instructions plus ABS diagnostics included
  • Cooling system leaks – Water pump and radiator servicing to prevent overheating under load
Driving Habits That Impact Maintenance
  • Frequent towing: Extra strain on brakes and turbocharger; the manual covers brake servicing and boost system repairs to keep your truck safe and powerful.
  • Snow and rough terrain driving: Accelerated wear on suspension components; step-by-step suspension rebuild guidance included.
  • High mileage work use: Transmission servicing and cooling system checks are key; all service intervals and troubleshooting charts are provided.
  • Older Sierra ownership: ABS sensor and timing chain issues become more common; clear instructions show you how to fix these at home.
What’s Inside the Haynes Repair Manual
  • Comprehensive repair and maintenance procedures with factory torque specs
  • Maintenance schedules, service intervals, and fluid charts tailored to Sierra HD models
  • Troubleshooting flowcharts for emissions, drivetrain, electrical, and cooling systems
  • Full coverage of brakes, suspension, steering, HVAC, bodywork, and wiring
  • Hybrid format: printed manual plus convenient online access included

More Information

  • Coverage

    Models Covered

    Includes

    • 2500 models – 2015-2019
    • 3500 models – 2014-2019

    Engines

    • 6.0L LC8 gasoline
    • 6.0L L96 gasoline
    • 6.6L LML diesel
    • 6.6L L5P diesel

Benefits

  • Tailored to Your Car, No Guesswork
    Stop searching forums - get trusted guidance made just for your vehicle

    Tailored to Your Car, No Guesswork

    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.

  • Outsmart Repairs with Regular Maintenance
    Learn how to service smarter for a longer-lasting, more reliable ride

    Outsmart Repairs with Regular Maintenance

    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.

  • Why Pay The Shop? Learn to Fix It Yourself
    Save money and skip the mechanic by learning to do-it-yourself

    Why Pay The Shop? Learn to Fix It Yourself

    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.

  • Everything You Need, All In One Guide
    Packed with clear instructions, detailed photos and easy-to-follow diagrams

    Everything You Need, All In One Guide

    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.

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    Customer Testimonials

    Trusted by DIYers Since 1960

    • Customer Review

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    • Customer Review

      A Wonderful Asset

      "Ever since I was a young and curious mechanically inclined kid Haynes Manuals have always been a go to for finding and fixing problems. It’s a wonderful asset in developing mechanic skills and a good way to save some money on repairs. I would recommend them, just the same as they were recommended to me many years ago by highly skilled mechanics."

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