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2020 Ram 3500 Service and Repair Manual
Regular price
$49.99 USD
Unit price
Covers all 2020 3500 trims — Tradesman Cab & Chassis 4-Door, Laramie Cab & Chassis 4-Door, Big Horn Extended Crew Cab Pickup 4-Door +5 more ·
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2020 Ram 3500 Service and Repair Manual
Regular price
$49.99 USD
Unit price
2020 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
- Laramie Cab & Chassis 4-Door
- Big Horn Extended Crew Cab Pickup 4-Door
- Big Horn Standard Cab Pickup 2-Door
- Limited Crew Cab Pickup 4-Door
- SLT Cab & Chassis 4-Door
- Tradesman Cab & Chassis 2-Door
- Lone Star Extended Crew Cab Pickup 4-Door
- Laramie Limited Crew Cab Pickup 4-Door
- Limited Extended Crew Cab Pickup 4-Door
- Tradesman Crew Cab Pickup 4-Door
- SLT Cab & Chassis 2-Door
- Laramie Longhorn Crew Cab Pickup 4-Door
- Lone Star Crew Cab Pickup 4-Door
- Lone Star Standard Cab Pickup 2-Door
- Big Horn Crew Cab Pickup 4-Door
- Laramie Crew Cab Pickup 4-Door
- Limited Cab & Chassis 4-Door
- Laramie Extended Crew Cab Pickup 4-Door
- Laramie Longhorn Extended Crew Cab Pickup 4-Door
- Laramie Limited Extended Crew Cab Pickup 4-Door
- Tradesman Standard Cab Pickup 2-Door
Engines covered
- 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 2019-2020 Ram 3500, 4500 and 5500 cab chassis built with a Cummins 6.7L High Output engine. Inadequate warmup protection can cause a lack of oil film on th
Consequence
A damaged engine block may leak oil, which can contact hot engine or exhaust components, increasing
Remedy
Chrysler will notify owners, and dealers will flash the engine calibration software to enhance the e
Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 2500 and Ram 3500 vehicles, Ram 3500 Cab Chassis, 4500 Cab Chassis, 5500 Cab Chassis and 3500 Cab Chassis with a gross vehicle weight rating (
Consequence
Reduced visibility increases the risk of a crash.
Remedy
Dealers will tighten the wiper nuts, free of charge. Owner notification letters were mailed Februar
Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 2500 and 3500 Pickup vehicles equipped with six-speed automatic (68RFE) transmissions. A build up of pressure and heat inside the transmission
Consequence
The leaking transmission fluid may contact the turbocharger or another ignition source within the en
Remedy
Chrysler will notify owners, and dealers will replace the transmission valve body separator plate an
Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 2500, 3500 pickup trucks, and Ram 3500, 4500, and 5500 cab chassis vehicles equipped with Cummins 6.7L Turbo Diesel engines. The High Pressur
Consequence
An engine stall increases the risk of a crash.
Remedy
Dealers will replace the HPFP, update the Powertrain Control Module (PCM) software, and inspect and
FCA US, LLC (Chrysler) is recalling certain 2020-2023 Ram 2500 and 2020-2022 Ram 3500 vehicles. A build-up of pressure and heat inside the transmission may result in a transmission fluid leak from th
Consequence
Leaking transmission fluid may contact an ignition source within the engine compartment, increasing
Remedy
Dealers will replace the transmission dipstick and transmission vent assembly, free of charge. Owne
Chrysler (FCA US LLC) is recalling certain 2020 Jeep Gladiator and Jeep Cherokee, 2019-2020 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Chrysler Pacifica, Dodge Durango, Jeep Grand Cherokee, Je
Consequence
The lingering rearview image can distract the driver, increasing the risk of a crash.
Remedy
Chrysler has notified owners, and dealers will update the radio display software, free of charge. O
Chrysler (FCA US, LLC) is recalling certain 2019-2022 Ram 2500 and 2021-2022 Dodge Durango vehicles, and 2019-2022 3500 cab chassis with GVWR less than 10,000 lbs. The ABS control module software may
Consequence
An ESC malfunction indicator light that fails to illuminate during an electronic stability control p
Remedy
Dealers will update the ABS control module software, free of charge. Owner notification letters wer
Chrysler (FCA US LLC) is recalling certain 2019-2020 Ram 2500 and Ram 3500 Pick-up trucks equipped with an accessory bed step. In certain side loading conditions, the bed step may unexpectedly fail w
Consequence
A bed step that unexpectedly fails while in use increases the risk of injury to the user.
Remedy
Chrysler will notify owners, and dealers will replace the bed step support brace, free of charge. T
Chrysler (FCA US, LLC) is recalling certain 2019-2022 Ram 1500, 2500, and 3500 pickup trucks. The tailgate may not latch properly due to misaligned tailgate strikers, which could result in the tailga
Consequence
An unintended tailgate opening while driving may result in a loss of unsecured cargo, possibly creat
Remedy
Dealers will inspect the tailgate striker alignment to the box latch and adjust, if necessary, free
Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
On Cummins diesel applications that are for 2019 and newer the bpro part 1BP00507AB can on occasions create a check engine light. In these situations, it is recommended to use the appropriate Mopar air filter originally installed on the veh
RADIATOR - ENGINE COOLING
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
Replace K1 Clutch / Input Shaft Assembly Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): P0731-00 - Gear 1 Shift Incorrect Ratio (This D
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
Replace K1 Clutch / Input Shaft Assembly Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): P0731-00 - Gear 1 Shift Incorrect Ratio (This D
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
Showing the 8 most recent of 739 technical service bulletins on file with NHTSA.
As I was driving the vehicle caught fire and I lost brakes. The vehicle had to be put into a retention pond to stop it.
As I was driving the vehicle caught fire and I lost brakes. The vehicle had to be put into a retention pond to stop it.
As I was driving the vehicle caught fire and I lost brakes. The vehicle had to be put into a retention pond to stop it.
On 6/28/2022 I was involved in an off-set not-at-fault head on collision at 45+ MPH. My vehicle then careened off the initial collision causing a side impact with a large light standard. My vehicle co
The contact owns a 2020 Ram 3500. The contact stated that while the vehicle was parked and the engine was turned off, the gear shifter shifted into the drive position when the contact's minor [XXX] c
Showing the 5 most serious of 155 complaints filed with NHTSA.
Other Years of the Ram 3500
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