Engine Mechanical:
Engine assembly, disassembly, cylinder head, block, pistons, connecting rods, crankshaft, camshaft, timing systems, lubrication, cooling.
Engine Management:
Fuel injection, ignition system, emissions control, diagnostic trouble codes (DTCs), powertrain control module (PCM) operation, sensor data.
Transmission Manual:
Service and repair for NV3500, NV4500, G56 manual transmissions (if applicable to specific models/engines).
Transmission Automatic:
Service and repair for 42RE, 44RE, 45RFE, 47RE, 48RE automatic transmissions, including torque converter, valve body, and electronic controls.
Drivetrain:
Front axle, rear axle, differentials, driveshafts, U-joints, transfer case (if applicable), four-wheel-drive system (NV244, NV271, NV273).
Brakes:
Front and rear brake systems (disc/drum configurations), hydraulic system, ABS, EBD, parking brake.
Suspension:
Front suspension (independent or solid axle depending on model), rear suspension (leaf springs), shocks, struts, ball joints, tie rods, alignment specifications.
Steering:
Power steering system, steering column, steering gear/rack and pinion, tie rod ends.
Electrical:
Battery, charging system (alternator), starting system (starter), lighting, fuses, relays, wiring diagrams, body control module (BCM).
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, refrigerant, compressor, evaporator, heater core.
Body Interior:
Body panels, doors, windows, seats, trim, dashboard, interior components.
Body Exterior:
Bumpers, grille, hood, fenders, tailgate, bed, exterior trim.
Scheduled Maintenance:
Detailed descriptions of routine maintenance tasks and recommended intervals.
Troubleshooting:
Diagnostic flowcharts and step-by-step troubleshooting for common and complex issues.
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair, with torque specifications.
Diagnostic Tests:
Procedures for testing sensors, actuators, and electrical components.
Component Rebuild:
Detailed instructions for rebuilding major components like engines and transmissions.
Wiring Diagrams:
Complete and organized electrical wiring schematics for various systems.
Depth:
Comprehensive, covering basic maintenance to full engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting.
Wheelbase Options:
Multiple options including 130.5" (standard cab, short bed), 140.5" (crew cab short bed), 154.5" (standard cab long bed), 162.5" (mega cab, long bed).
Bed Length Options:
6.3 ft (short bed), 8.0 ft (long bed).
Gvwr Range:
6000 lbs (1500) to 14,000 lbs (3500)
Curb Weight Range:
Approx. 4800 lbs (2WD, 1500) to over 6500 lbs (4WD Diesel, 3500).
Oil Change Gasoline:
Every 3,000-5,000 miles or 6 months, depending on driving conditions (refer to specific engine recommendation in manual).
Oil Change Diesel:
Every 5,000-7,500 miles or 6 months, depending on driving conditions (refer to specific engine recommendation in manual).
Coolant Flush:
Every 30,000-50,000 miles or 2-3 years, depending on coolant type.
Transmission Fluid Change:
Every 30,000-60,000 miles for automatics, and as needed for manuals (refer to manual).
Engine Oil 4.7L:
API SN/SM/SL, SAE 5W-30
Engine Oil 5.7L Hemi:
API SN/SM/SL, SAE 5W-20
Engine Oil 5.9L Cummins:
API CJ-4/CI-4/CH-4 or CK-4, SAE 15W-40 (heavy-duty diesel engine oil)
Transmission Fluid 45Rfe/48Re:
Mopar ATF+4 (MS-9602)
Transmission Fluid Nv4500:
GL-3 or GL-4, SAE 75W-90 synthetic (or as specified).
Coolant:
Mopar OAT (Organic Additive Technology) or HOAT (Hybrid OAT) coolant, typically pink or orange.
Common Problems Gas:
Intake manifold gasket leaks, plenum gasket leaks, ignition coil failures, occasional piston slap on 4.7L, oil filter adapter housing leaks.
Common Problems Diesel:
VP44 injection pump failures (earlier models), injector issues, potential for head gasket failure under extreme stress, lift pump issues.
Common Problems Transmission:
Torque converter shudder in automatics, clutch wear in manuals, potential issues with overdrive units.
