2018 Ram 3500 repair manual

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2018 Ram 3500 repair manual & wiring diagrams.
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2018 Ram 3500 - OEM Factory Repair Manual

Get the manufacturer’s repair information for your 2018 Ram 3500, including factory service procedures, diagnostics, technical illustrations, and wiring diagrams—all in a convenient digital manual. Understand your vehicle. Approach repairs with confidence.

About the Ram 3500

The Ram 3500 is Ram's heaviest pickup, with single and dual rear wheels. It uses the 6.4-liter HEMI and the 6.7-liter Cummins high-output diesel.

Whether you’re doing the job yourself or discussing repairs with your mechanic, this manual shows you exactly how the work is done, so you can make the right decisions. This manual covers the 2018 Ram 3500 specifically, keeping the information focused on your vehicle’s model and year, no matter what version you have:

Big Horn Crew Cab, 2WD
Big Horn Crew Cab, 4WD
Big Horn Mega Cab, 2WD
Big Horn Mega Cab, 4WD
Laramie Crew Cab, 2WD
Laramie Crew Cab, 4WD
Laramie Limited Crew Cab, 2WD
Laramie Limited Crew Cab, 4WD
Laramie Limited Mega Cab, 2WD
Laramie Limited Mega Cab, 4WD
Laramie Longhorn Crew Cab, 2WD
Laramie Longhorn Crew Cab, 4WD
Laramie Longhorn Mega Cab, 2WD
Laramie Longhorn Mega Cab, 4WD
Laramie Mega Cab, 2WD
Laramie Mega Cab, 4WD
Lone Star Crew Cab, 2WD
Lone Star Crew Cab, 4WD
Lone Star Mega Cab, 2WD
Lone Star Mega Cab, 4WD
SLT Crew Cab, 2WD
SLT Crew Cab, 4WD
SLT Mega Cab, 2WD
SLT Mega Cab, 4WD
SLT Regular Cab, 2WD
SLT Regular Cab, 4WD
SXT (Canada) Crew Cab, 2WD
SXT (Canada) Crew Cab, 4WD
SXT (Canada) Mega Cab, 2WD
SXT (Canada) Mega Cab, 4WD
SXT (Canada) Regular Cab, 2WD
SXT (Canada) Regular Cab, 4WD
Tradesman Crew Cab, 2WD
Tradesman Crew Cab, 4WD
Tradesman Mega Cab, 2WD
Tradesman Mega Cab, 4WD
Tradesman Regular Cab, 2WD
Tradesman Regular Cab, 4WD

Factory information you can put to work

Sourced from the manufacturer’s official technical information website, the manual helps you:

Review repair procedures before starting a job (from routine maintenance to major repairs)
Understand component layouts with technical illustrations (procedures are explained step by step)
Follow electrical connections using wiring diagrams.
Plan your work and discuss recommended repairs with your mechanic (or double-check a quote)

Illustrations and diagrams retain the original image quality supplied by the manufacturer. Diagrams stay sharp and readable, even when you zoom in.

Permanent ownership with no recurring subscription fees—the manual is yours to keep.

Order, download, and get started.

You can download your manual immediately after payment. We create an account automatically when you order, giving you direct access to your file through our website.

This is a digital product, easy to use on any PC, laptop, MacBook, or even phone. No printed book or physical disc is shipped.

See what’s inside

Explore the screenshots below for examples of the manual’s layout, technical information, and image detail.

Wiring Diagrams sample:

Repair Manual sample:

Instant download your 2018 Ram 3500 OEM Factory Repair Manual—you can start your repairs in minutes.

About the 2018 Ram 3500

The 2018 Ram 3500 belongs to the fourth-generation Ram 3500, built for model years 2010–2018. It is the last model year of this generation and includes the running changes made during production, which is why a manual for the exact year matters.

Check the model year on your VIN: on a 2018 vehicle the 10th character of the 17-digit VIN is “J”. Vehicles built for North America always carry the model year in that position; on some European or Australian vehicles it may be left unused, so in that case go by the registration papers or the build plate.

At about 8 years old, a 2018 vehicle is usually past its basic warranty. Typical jobs at this age are brakes, suspension parts, fluids, the 12V battery and diagnosing sensor faults with the factory wiring diagrams.

Same generation: 2010 Ram 3500, 2011 Ram 3500, 2012 Ram 3500, 2013 Ram 3500, 2014 Ram 3500, 2015 Ram 3500, 2016 Ram 3500, 2017 Ram 3500.

All Ram 3500 model years: 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024

Description
Car details
Review

Big Horn Crew Cab, 2WD
Big Horn Crew Cab, 4WD
Big Horn Mega Cab, 2WD
Big Horn Mega Cab, 4WD
Laramie Crew Cab, 2WD
Laramie Crew Cab, 4WD
Laramie Limited Crew Cab, 2WD
Laramie Limited Crew Cab, 4WD
Laramie Limited Mega Cab, 2WD
Laramie Limited Mega Cab, 4WD
Laramie Longhorn Crew Cab, 2WD
Laramie Longhorn Crew Cab, 4WD
Laramie Longhorn Mega Cab, 2WD
Laramie Longhorn Mega Cab, 4WD
Laramie Mega Cab, 2WD
Laramie Mega Cab, 4WD
Lone Star Crew Cab, 2WD
Lone Star Crew Cab, 4WD
Lone Star Mega Cab, 2WD
Lone Star Mega Cab, 4WD
SLT Crew Cab, 2WD
SLT Crew Cab, 4WD
SLT Mega Cab, 2WD
SLT Mega Cab, 4WD
SLT Regular Cab, 2WD
SLT Regular Cab, 4WD
SXT (Canada) Crew Cab, 2WD
SXT (Canada) Crew Cab, 4WD
SXT (Canada) Mega Cab, 2WD
SXT (Canada) Mega Cab, 4WD
SXT (Canada) Regular Cab, 2WD
SXT (Canada) Regular Cab, 4WD
Tradesman Crew Cab, 2WD
Tradesman Crew Cab, 4WD
Tradesman Mega Cab, 2WD
Tradesman Mega Cab, 4WD
Tradesman Regular Cab, 2WD
Tradesman Regular Cab, 4WD

5.7L V8 HEMI

6.4L V8 HEMI

6.7L I6 Turbo Diesel Cummins

6.7L I6 Turbo Diesel Cummins High Output

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2018 Ram 3500 repair manual$29.99

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