2018 Ram 3500 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Tradesman Cab & Chassis 4-Door
- SLT Crew Cab Pickup 4-Door
- Laramie Cab & Chassis 4-Door
- Big Horn Extended Crew Cab Pickup 4-Door
- Limited Crew Cab Pickup 4-Door
- SLT Cab & Chassis 4-Door
- Tradesman Cab & Chassis 2-Door
- Laramie Limited Crew Cab Pickup 4-Door
- Limited Extended Crew Cab Pickup 4-Door
- Tradesman Crew Cab Pickup 4-Door
- SLT Standard Cab Pickup 2-Door
- SLT Cab & Chassis 2-Door
- Laramie Longhorn Crew Cab Pickup 4-Door
- ST Cab & Chassis 4-Door
- SLT Extended Crew Cab Pickup 4-Door
- Big Horn Crew Cab Pickup 4-Door
- Laramie Crew Cab Pickup 4-Door
- ST Cab & Chassis 2-Door
- Laramie Extended Crew Cab Pickup 4-Door
- Laramie Longhorn Extended Crew Cab Pickup 4-Door
- ST Standard Cab Pickup 2-Door
- ST Crew Cab Pickup 4-Door
- Laramie Limited Extended Crew Cab Pickup 4-Door
- Tradesman Standard Cab Pickup 2-Door
Engines covered
- 5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated
- 6.4L 6424CC 392Cu. In. V8 GAS OHV Naturally Aspirated
- 6.7L 408Cu. In. l6 DIESEL OHV Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Chrysler (FCA US, LLC) is recalling certain 2018 Ram 1500, Ram 2500, and Ram 3500 vehicles. The right and left side curtain air bag inflators may rupture due to a manufacturing defect.
An inflator rupture may result in sharp metal fragments striking occupants, resulting in injury.
Dealers will replace one or both side curtain air bags, as necessary, free of charge. Owner notifica
Chrysler (FCA US LLC) is recalling certain 2015-2017 Ram 1500, 2500 and 3500 pickup trucks equipped with an 8 foot bed and a power locking tailgate. Chrysler is also recalling all 2013-2014 and 2018
If the tailgate opens while the vehicle is being driven, cargo may fall out the vehicle and create a
Chrysler will notify owners, and dealers will repair the tailgate latch, free of charge. The recall
Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
Radio Message "Power Surge On USB Detected" Customers may comment on the following: The radio displays the message: Power surge on USB hub detected Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no
Radio Message "Power Surge On USB Detected" Customers may comment on the following: The radio displays the message: Power surge on USB hub detected Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no
Radio Message "Power Surge On USB Detected" Customers may comment on the following: The radio displays the message: Power surge on USB hub detected Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no
Squeak Or Squawk Noise Coming From Either Side Door Of The Vehicle, It Could Be Just One Door Or More. The Noise Can Be Present In Either The Upper Or The Lower Hinge.
Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
SPEAKER - NONE
SPEAKER - NONE
Showing the 8 most recent of 274 technical service bulletins on file with NHTSA.
Brakes went out and steering which caused loss of control of vehicle.
Brakes went out and steering which caused loss of control of vehicle.
Brakes went out and steering which caused loss of control of vehicle.
TL* THE CONTACT OWNED A 2018 RAM 3500. THE CONTACT STATED THAT WHILE DRIVING 5 MPH WHILE ON A MOUNTAIN SIDE, WITHIN SECONDS THE VEHICLE TUMBLED DOWN OFF THE CLIFF INTO TREES WHICH STOPPED THE VEHICLE
Frontal collision at 45 mph, totaled truck but airbags did not deploy. The insurance company sent the truck to the auction. My safety was at risk. Not that I am aware of, the insurance company has ph
Showing the 5 most serious of 1106 complaints filed with NHTSA.
