2022 Ram 4000 Service and Repair Manual

This factory service and repair manual for the 2022 Ram 4000 documents a truck whose body list reads 2-door cab and chassis and 4-door crew cab and chassis. Under either cab sits a naturally aspirated gasoline V8 with overhead valves, in 5.7L (345 cu in) or 6.4L (392 cu in) displacement. Crew, P and PL are the three trims given for the year. Procedures and specifications cover the engine, fuel and cooling systems, the chassis and the electrical system.

Engines covered

• 5.7L V8 (345 cu in) — OHV, naturally aspirated, gasoline
• 6.4L V8 (392 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 2-door cab & chassis
• 4-door cab & chassis, crew cab

Trims covered

• Crew
• P
• PL

Known issues on the 2022 4000. Engine work on this truck means one of two gasoline V8s, 5.7L or 6.4L, both breathing without a turbocharger; the manual carries procedures, specifications, torque values and diagnostics for their fuel system, ignition and cooling system. Procedures and torque values cover the transmission, drivetrain, brakes, suspension and steering of the crew cab and chassis and the 2-door cab and chassis. Wiring diagrams address the electrical system and body for the Crew, P and PL trims.