2019 Ram 4500 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
- Base Cab & Chassis - Crew Cab 4-Door
- Base Cab & Chassis - Conventional
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
A damaged engine block may leak oil, which can contact hot engine or exhaust components, increasing
Chrysler will notify owners, and dealers will flash the engine calibration software to enhance the e
Chrysler (FCA US LLC) is recalling certain 2019 Ram 2500 and 3500 trucks, and 3500, 4500, and 5500 Cab Chassis vehicles equipped with diesel engines. The fuel lines may leak fuel into the engine comp
A fuel leak in the presence of an ignition source increases the risk of a fire.
Chrysler will notify owners, and dealers will inspect the fuel lines, replacing them if necessary, f
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 (
Reduced visibility increases the risk of a crash.
Dealers will tighten the wiper nuts, free of charge. Owner notification letters were mailed Februar
Excellance, Inc (Excellance) is recalling certain 2019-2020 Excellance-modified RAM 4500/5500 vehicles to be equipped with CLASS Suspension Systems. In the affected suspension systems, the rear brak
A worn rear brake caliper flexible line may cause brake fluid leakage which may result in a partial
Excellance will notify owners, and dealers will install a kit to remedy any damage and to prevent an
LiquidSpring LLC (LiquidSpring) is recalling certain Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF, DS135RS3-DM, sold for use with 2019-2020 RAM 450
A worn rear brake caliper flexible line may cause brake fluid leakage which may result in a partial
LiquidSpring has notified the purchasers, and the affected vehicle manufacturers will file recalls t
Braun Northwest (Braun Northwest) is recalling certain 2019-2020 RAM 4500/5500 vehicles equipped with Liquid Spring rear suspension systems. In the affected suspension systems, the rear brake caliper
A worn rear brake line may leak fluid, resulting in a partial or complete loss of the rear brakes, i
Braun Northwest will notify owners, and dealers will install a repair kit to each rear caliper and m
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
An engine stall increases the risk of a crash.
Dealers will replace the HPFP, update the Powertrain Control Module (PCM) software, and inspect and
Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 4500 and 5500 Cab Chassis vehicles. The rear brake hose inside diameter may be too small, which could cause the hose to rupture. As such, th
A brake hose rupture can cause a loss of braking ability, increasing the risk of a crash.
Dealers will replace the rear brake hoses, free of charge. Owner notification letters were mailed A
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
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
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
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.
Diagnostic Trouble Code (DTC) P2459-00 Particulate Filter Regeneration Too Frequent Setting in the Powertrain Control Module (PCM) or Under Fueling or Over Fueling Condition After Fuel Injector(s) Replacement
Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
Showing the 8 most recent of 540 technical service bulletins on file with NHTSA.
The contact owns a 2019 Ram 4500. The contact received notification of the NHTSA Campaign Number: 21V398000 (Wheel) and 21V880000 (Fuel System, Diesel) however, the parts to do the recall repairs were
The contact owns a 2019 Ram 4500. The contact received notification of the NHTSA Campaign Number: 21V398000 (Wheel) and 21V880000 (Fuel System, Diesel) however, the parts to do the recall repairs were
The fuel pump failed and they have not fixed it after 3 months and they do not answer or return my calls.
My truck has been at a dodge dealership for over a month due to a open recall. This dealership is declining to service my vehicle because they are saying the recall has to be fixed first before they c
AT ONLY 4 MONTHS SINCE VEHICLE IS PURCHASED, FUEL PUMP IS LEAKING. (POTENTIAL FIRE HAZARD) ALSO HAD EXPERIENCED DEATH WOBBLE SEVERAL TIMES WHEN GOING MORE THAN 60 MPH. STEERING ISSUE, POTENTIAL HA
Showing the 5 most serious of 8 complaints filed with NHTSA.
