Engine Mechanical:
Engine assembly, cylinder heads, crankshaft, camshaft, pistons, connecting rods, lubrication system, cooling system
Engine Electrical:
Ignition system, starting system, charging system, fuel injection system (ECM diagnostics), emission controls
Transmission Manual:
Clutch, gearbox assembly, shift mechanisms, PTO (if applicable)
Transmission Automatic:
Torque converter, valve body, gear sets, cooling system, electronic controls (TCM diagnostics)
Driveline:
Driveshafts, universal joints, axle assemblies (front and rear), differentials
Brakes:
Hydraulic system, ABS (Anti-lock Braking System), parking brake, brake components (rotors, calipers, pads, lines)
Suspension:
Front and rear suspension components, springs, shock absorbers, control arms, ball joints, steering knuckles
Steering:
Steering column, steering gear, power steering system, tie rods
Exhaust:
Exhaust manifolds, catalytic converter, mufflers, exhaust pipes
Fuel:
Fuel tank, fuel pump, fuel lines, fuel filter, fuel injection system
Cooling:
Radiator, water pump, thermostat, cooling fan, coolant hoses
Electrical Body:
Lighting, wipers, power windows, power locks, mirrors, horns, interior controls
HVAC:
Heating, Ventilation, and Air Conditioning system components, operation, and service
Chassis Frame:
Frame construction, body mounting, corrosion protection
Body Exterior:
Body panels, doors, hood, tailgate, bumpers, glass, trim
Body Interior:
Seats, dashboard, door panels, headliner, carpeting
Diagnostics:
Troubleshooting charts, diagnostic trouble codes (DTCs), diagnostic procedures for various systems
Basic Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotation, inspections
Component Replacement:
Detailed step-by-step instructions for replacing common wear items and components
Troubleshooting Guides:
Systematic approaches to diagnose and resolve common and uncommon vehicle issues
Electrical Diagnostics:
Wiring diagrams, component testing procedures, circuit analysis
Engine Overhaul:
Complete disassembly, inspection, repair, and reassembly procedures for engine components
Transmission Rebuild:
Detailed instructions for the repair and rebuilding of both manual and automatic transmissions
Brake System Service:
Bleeding procedures, component replacement (pads, rotors, calipers), ABS system diagnostics
Suspension And Steering Repair:
Alignment specifications, component replacement, power steering system service
HVAC Service:
Refrigerant handling, component testing, system diagnostics and repair
Body Work:
Panel alignment, repair techniques, glass replacement (may be limited)
Depth:
Comprehensive, covering from routine maintenance to major component overhauls and advanced diagnostics
Service Intervals Gasoline
Oil Change Interval:
Every 3,000-7,500 miles or 6 months, depending on oil type and driving conditions (refer to manual for specifics)
Air Filter Replacement:
Every 12,000-15,000 miles or as needed based on inspection
Spark Plug Replacement:
Approx. 30,000-100,000 miles (depending on spark plug type, e.g., copper vs. platinum)
Oil Change Interval Cummins:
Every 5,000-7,500 miles or 6 months (often recommended with high-quality diesel oil)
Fuel Filter Replacement Cummins:
Every 15,000-30,000 miles or annually
Coolant Flush Interval:
Every 30,000-50,000 miles or 2-3 years (depending on coolant type)
Engine Oil Hemi:
SAE 5W-20, API Certified (refer to manual for specific viscosity and API rating requirements)
Engine Oil Cummins:
SAE 15W-40, API CJ-4 or CK-4 rated diesel engine oil (refer to manual for specific viscosity and API rating requirements)
Coolant:
Mopar OAT (Organic Additive Technology) or equivalent HOAT coolant, typically 50/50 mix with distilled water
Transmission Fluid Automatic:
ATF+4 (Automatic Transmission Fluid Type 96)
Transmission Fluid Manual:
Refer to manual for specific gear oil viscosity (e.g., GL-3 or GL-4 for NV4500)
Brake Fluid:
DOT 3 or DOT 4, per manufacturer's specification
Common Hem Issues:
Lifter tick, camshaft wear (in earlier versions), some ignition coil failures
Common Cummins Issues:
Injector pump issues (in some earlier versions), transmission cooler line leaks, EGR system maintenance
Front End Wear:
Ball joint and tie rod end wear due to vehicle weight and suspension design
Frame Corrosion:
Potential for frame rust, especially in areas with road salt (manual will cover inspection)