Engine Mechanical:
Engine assembly, disassembly, cylinder head, block, crankshaft, pistons, rings, connecting rods, camshafts, timing, lubrication system, cooling system.
Engine Performance:
Fuel injection, ignition system, exhaust system, emissions control, engine diagnostics and troubleshooting.
Transmission Manual:
Clutch, gearbox operation, overhaul procedures, maintenance for manual transmissions (e.g., NV3500, NV4500).
Transmission Automatic:
Torque converter, planetary gear sets, valve body, hydraulic controls, transmission fluid, overhaul and repair for automatic transmissions (e.g., 46RE, 47RE, 48RE).
Drivetrain:
Drive shafts, universal joints, differentials (front and rear), axle housings, hub assemblies, transfer case operation and repair (for 4WD models).
Suspension:
Front and rear suspension components, steering system, power steering, shock absorbers, springs, ball joints, control arms, alignment specifications.
Brakes:
Brake system diagnosis, front disc brakes, rear drum brakes (or disc depending on trim/year), ABS system components, hydraulic lines, brake fluid, parking brake.
Electrical System:
Battery, starting system, charging system (alternator), lighting system, instrumentation, fuses, relays, wiring diagrams, body control modules.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system operation, refrigerant handling, component replacement (compressor, condenser, evaporator).
Body Interior:
Interior trim removal and installation, seats, dashboard, door panels, body exterior panels, bumpers, glass, seals.
Body Exterior:
Doors, hood, tailgate, body panel repair, rust prevention, paint code location.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement, belt inspection and replacement.
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting guides, common problems and solutions.
Component Replacement:
Step-by-step instructions for replacing major components (e.g., alternator, starter, water pump, fuel pump, brake calipers).
Engine Rebuild:
Detailed procedures for engine disassembly, inspection, measurement, reassembly, and break-in.
Transmission Rebuild:
Overhaul instructions for both automatic and manual transmissions, including torque specifications and component identification.
Brake Service:
Pad and shoe replacement, rotor and drum resurfacing/replacement, caliper and wheel cylinder repair/replacement, bleeding the brake system.
Electrical Diagnostics:
Testing circuits, diagnosing electrical faults using multimeters and wiring diagrams, component testing.
Alignment Procedures:
Specifications for caster, camber, and toe; procedures for adjustment.
Depth:
Comprehensive, covering basic maintenance to complete engine and transmission overhauls, electrical system diagnostics, and body repairs.
Diagnostic Tools:
Guidance on using diagnostic scan tools (OBD-II), multimeters, and specialized equipment.
Torque Specifications:
Extensive listing of torque specifications for all major fasteners and components.
Wiring Diagrams:
Detailed electrical wiring diagrams for various systems, often broken down by component or circuit.
Engine Options:
5.2L (318 ci) Magnum V8, 5.9L (360 ci) Magnum V8, 5.9L (359 ci) Cummins Turbo Diesel I6 (2500/3500 models).
5.2L Magnum:
Approx. 230-235 hp @ 4500 rpm, 300-305 lb-ft @ 3200 rpm
5.9L Magnum:
Approx. 245-250 hp @ 4000 rpm, 330-335 lb-ft @ 3200 rpm
5.9L Cummins Turbo Diesel:
Approx. 215 hp @ 2700 rpm, 420 lb-ft @ 1600 rpm (specific figures varied slightly by year and tuning)
Gasoline Engines:
Sequential Multi-port Fuel Injection (MPI)
Diesel Engine:
Bosch VE rotary injection pump (early) or P7100 inline injection pump (later, with potential for upgrades), Turbocharged.
Gasoline:
Distributorless Ignition System (DIS) with distributor cap and rotor (coil-on-plug not standard).
Gasoline:
Catalytic converter, EGR (Exhaust Gas Recirculation), PCV (Positive Crankcase Ventilation).
Oil Change:
Typically every 3,000-7,500 miles depending on oil type and driving conditions. Manual will specify exact intervals.
Transmission Fluid Change:
Automatic transmissions: 30,000-60,000 miles. Manual transmissions: 60,000-100,000 miles. Manual will provide specific recommendations.
Coolant Change:
Typically every 30,000-60,000 miles or 2-5 years. Manual will specify coolant type and interval.
Engine Oil:
5.2L/5.9L Magnum: SAE 10W-30 or 5W-30 synthetic blend/synthetic recommended. 5.9L Cummins: SAE 15W-40 diesel engine oil.
Coolant:
Mopar Antifreeze/Coolant (AF) or equivalent HOAT (Hybrid Organic Acid Technology) coolant, typically a 50/50 mix with distilled water.
Brake Fluid:
DOT 3 brake fluid.
Common Problems:
Coolant leaks from intake manifold (especially the plastic lower manifold on some models), exhaust manifold leaks, transmission cooler line leaks, dashboard cracking (heat exposure), ABS sensor failures, rear main seal leaks on V8 engines, vacuum leaks.
Oil Filter Example:
Ph8A or equivalent (e.g., Wix 51515, Fram PH8A)
Air Filter Example:
Various part numbers depending on engine; consult manual for specific fitment (e.g., Fram CA3550).