Engine Mechanical:
Engine diagnostics, overhaul, cooling system, fuel system, exhaust system, lubrication
Engine Electrical:
Battery, starting system, charging system, ignition system
Drivetrain:
Clutch, transmission, transfer case, differential, driveline components
Suspension Steering:
Front and rear suspension, steering system components
Brakes:
Brake system components, hydraulic and mechanical aspects
Electrical Chassis:
Instrument panel systems, audio systems, horn, vehicle speed control, turn signals, hazard warning, wipers, washers, lamps, passive restraints, electrically heated systems, power distribution, power locks, theft/security, power seats, power windows, power mirrors, chime/buzzer warning, overhead console
Body Chassis:
Frame, bumpers, body panels, interior trim
HVAC:
Heating and Air Conditioning system
Emissions:
Emission control systems, diagnosis, and repair
Maintenance:
Routine lubrication, fluid checks and changes, filter replacements, scheduled maintenance
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, electrical diagnostic procedures
Repair Rebuild:
Step-by-step repair procedures for all major components, engine and transmission overhaul, brake caliper replacement, suspension component renewal
Restoration:
Procedures applicable to refurbishing and restoring vehicle systems
Wiring Diagrams:
Detailed wiring diagrams for all electrical systems, component locations, circuit tracing
Body Work:
Panel removal/installation, glass replacement, bumper alignment, rust repair guidance.
Suspension Repair:
Shock absorber replacement, coil spring and leaf spring servicing, control arm bushing replacement, ball joint service.
Brake System Repair:
Brake pad/shoe replacement, rotor/drum resurfacing or replacement, caliper/wheel cylinder servicing, brake line inspection and replacement.
Steering System Repair:
Power steering pump, steering gear, tie rod ends, steering column servicing.
Electrical Diagnostics Procedures:
Circuit testing, voltage drop testing, fuse and relay identification, sensor diagnostics.
HVAC System Repair:
Refrigerant handling (with proper certification), component replacement (compressor, condenser, evaporator, blower motor), leak detection.
Fuel System Diagnosis:
Fuel pump testing, fuel pressure testing, injector cleaning and testing, fuel filter replacement.
Exhaust System Repair:
Muffler replacement, catalytic converter replacement, pipe repair and replacement, oxygen sensor replacement.
Tire Wheel Service:
Tire pressure monitoring, lug nut torque specifications, wheel bearing service.
Depth:
Comprehensive from basic maintenance to complex component overhaul and electrical diagnostics
Torque Specifications:
Detailed torque values for all critical fasteners across all systems.
Diagnostic Trouble Codes DTCs:
Coverage of DTCs, their meanings, and diagnostic trees for resolution.
Component Replacement Procedures:
Explicit guidance on removal and installation of virtually every serviceable component.
Wiring Diagrams Detail:
Schematics showing wire colors, connector pinouts, and component identification.
Oil Change Interval:
Every 3,000-5,000 miles (4,800-8,000 km) or 6 months, whichever comes first (depending on driving conditions and oil used).
Transmission Fluid Change:
Every 30,000-50,000 miles (48,000-80,000 km) for automatic transmissions.
Coolant Flush:
Every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years.
Power Steering Fluid:
ATF+3 or ATF+4 (check manual for specific recommendation)
Brake Fluid:
DOT 3 (per SAE J1703)
Gear Oil Front Differential:
SAE 80W-90 (API GL-5) for standard differentials; SAE 75W-140 for limited-slip differentials (with friction modifier).
Gear Oil Rear Differential:
SAE 80W-90 (API GL-5) for standard differentials; SAE 75W-140 for limited-slip differentials (with friction modifier).
Common Wear Items:
Leaf spring bushings, motor mounts, sway bar links, ball joints, rear main seal (4.0L), valve cover gasket (4.0L).
Common Electrical:
Window regulators, power lock actuators, instrument cluster failure (less common but possible).