Engine Mechanical:
Engine assembly, disassembly, diagnosis, troubleshooting, overhaul, specific engine variants (5.2L Magnum V8, 5.9L Magnum V8, 8.0L Magnum V10, 5.9L Cummins Turbo Diesel).
Engine Fuel System:
Fuel delivery, fuel injectors, fuel pump, fuel tank, evaporative emission control (EVAP), diagnosis.
Engine Cooling System:
Radiator, water pump, thermostat, coolant specifications, hoses, diagnosis.
Engine Ignition System:
Spark plugs, ignition coils, distributor (if applicable), ignition timing, diagnosis.
Engine Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, pipes, emissions control.
Engine Lubrication System:
Oil pump, oil filter, oil pan, oil specifications, oil pressure diagnosis.
Transmission Automatic:
42RE (RWD), 44RE (4WD), 47RE (Diesel/HD) transmission overhaul, diagnosis, fluid specifications, torque converter.
Transmission Manual:
NV3500 (5-speed), NV4500 (5-speed Diesel/HD) transmission overhaul, diagnosis, fluid specifications.
Drivetrain Transfer Case:
NP231 (part-time 4WD), NP241HD (heavy-duty part-time 4WD), NP243 (full-time 4WD) service, fluid specifications.
Drivetrain Axles Differentials:
Front and rear axle assembly, differential service, fluid specifications, axle ratios.
Braking System:
Front disc brakes, rear drum brakes (standard), rear disc brakes (optional on some models), ABS system (optional), brake fluid specifications, bleed procedures, caliper/wheel cylinder overhaul.
Steering System:
Power steering system, steering gear/box, tie rods, ball joints, power steering fluid specifications, diagnosis.
Suspension System:
Front independent suspension (twin I-beam), rear solid axle with leaf springs, shock absorbers, springs, bushings, diagnosis.
Electrical System Charging:
Alternator, voltage regulator, battery specifications, testing procedures.
Electrical System Starting:
Starter motor, starter solenoid, ignition switch, testing and diagnosis.
Electrical System Lighting:
Headlights, taillights, turn signals, interior lighting, bulb specifications.
Electrical System Wiring Diagrams:
Complete wiring schematics for all major systems (engine control, lighting, HVAC, power windows, etc.).
Body Exterior:
Body panel removal and installation, doors, hood, tailgate, bumpers, glass, seals, exterior trim.
Body Interior:
Dashboard removal, seat removal, interior trim panels, headliner, floor coverings, HVAC controls.
HVAC System:
Air conditioning (A/C) system diagnosis and repair, heater core, blower motor, controls, refrigerant specifications.
Safety Features ABS:
Anti-lock Braking System (ABS) components, sensors, control module, diagnosis.
Safety Features Airbags:
Airbag system components, sensors, control module, precautions for handling.
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and top-offs, tire rotation, lubrication, battery checks.
Diagnostic Procedures:
Step-by-step troubleshooting guides for all common and uncommon issues, OBD-II (On-Board Diagnostics) code interpretation.
Repair Procedures:
Detailed instructions for component replacement, overhaul, and adjustment of all vehicle systems.
Rebuild Procedures:
Complete engine and transmission rebuilding instructions, including specifications for machining and assembly.
Electrical Troubleshooting:
In-depth guidance on diagnosing electrical faults using wiring diagrams and test equipment.
Torque Specifications:
Precise torque values for all fasteners and critical components.
Depth Of Coverage:
Full factory-level repair and diagnostic information, suitable for professional mechanics and experienced DIYers.
Base Engine Option:
5.2L (318 cu in) Magnum V8
Mid Engine Option:
5.9L (360 cu in) Magnum V8
Heavy Duty Gas Engine Option:
8.0L (488 cu in) Magnum V10
Diesel Engine Option:
5.9L (359 cu in) Cummins Turbo Diesel I6 (ISB designation)
5.2L V8 Horsepower:
Approx. 230 hp @ 4,000 rpm
5.2L V8 Torque:
Approx. 295 lb-ft @ 2,400 rpm
5.9L V8 Horsepower:
Approx. 230 hp @ 4,000 rpm
5.9L V8 Torque:
Approx. 330 lb-ft @ 3,200 rpm
8.0L V10 Horsepower:
Approx. 300 hp @ 4,000 rpm
8.0L V10 Torque:
Approx. 450 lb-ft @ 3,200 rpm
5.9L Cummins Horsepower:
Approx. 175-215 hp @ 2,500 rpm (depending on application)
5.9L Cummins Torque:
Approx. 420-460 lb-ft @ 1,600 rpm (depending on application)
Fuel Injection:
Sequential Multi-Port Fuel Injection (MPI) for gasoline engines; Bosch VE rotary injection pump for 5.9L Cummins.
Recommended Fuel Gasoline:
87 Octane Unleaded Gasoline
Recommended Fuel Diesel:
API Service CD or CE Diesel Fuel (or equivalent) meeting ASTM D975.
Standard Transmission Light Duty:
NV3500 5-speed manual (RWD/4WD)
Optional Transmission Light Duty:
42RE 4-speed automatic (RWD)
Optional Transmission Hd Gas:
44RE 4-speed automatic (4WD)
Optional Transmission Diesel Hd:
47RE 4-speed automatic (Diesel/HD models)
Optional Transmission Diesel Manual:
NV4500 5-speed manual (Diesel/HD models)
Automatic Transmission Fluid:
ATF+3 (Chrysler Specification MS-9229) or equivalent.
Manual Transmission Fluid:
Mopar Manual Transmission Lubricant (or equivalent, e.g., SAE 75W-90 GL-5) for NV3500; NV4500 typically requires SAE 5W-30 synthetic or 10W-30 synthetic.
Oil Change Interval:
Typically 3,000 miles for conventional oil, 5,000-7,500 miles for synthetic oil (consult manual for exact recommendation based on engine and oil type).
Transmission Fluid Change Interval Auto:
Every 30,000 - 60,000 miles, or as specified in the manual, particularly under heavy use.
Transmission Fluid Change Interval Manual:
Recommended inspection every 30,000 miles, change every 60,000 - 100,000 miles.
Coolant Flush Interval:
Every 30,000 - 50,000 miles, or every 2-3 years, using the correct Mopar coolant or equivalent.
Spark Plug Replacement Gas Engines:
Approx. 30,000 - 60,000 miles, depending on plug type (standard vs. platinum).
Engine Oil Specification Gas:
SAE 10W-30 or 10W-40 (check manual based on ambient temperature). API Service SJ or SL rated.
Engine Oil Specification Diesel:
API Service CD/CE or CF-4, SAE 15W-40 for most conditions. Consult manual for specific Cummins requirements.
Power Steering Fluid:
ATF+3 or Mopar Power Steering Fluid.
Radiator Cracks:
Early models experienced radiator tank cracking, especially the plastic end tanks.
Transmission Cooler Lines:
Leaking transmission cooler lines were a common issue.
Interior Heater Core Leaks:
Heater core leaks leading to coolant smell inside the cabin.
Cylinder Head Gasket Issues:
Some reports of cylinder head gasket failures on the Magnum V8 engines, particularly under heavy towing or overheating.
Dodge Ram Towing Capacity Issues:
While rated for high towing, ensure proper maintenance of transmission, brakes, and cooling system for consistent heavy-duty performance.