Engine Mechanical:
Complete engine overhaul, disassembly, assembly, component testing, specifications
Engine Fuel System:
Fuel delivery, injection, sensors, diagnostics, component testing
Engine Cooling System:
Radiator, water pump, thermostat, hoses, fan, diagnostics
Engine Ignition System:
Spark plugs, coils, wiring, distributor (if applicable), timing, diagnostics
Engine Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, sensors
Transmission Automatic:
Disassembly, assembly, valve body, torque converter, internal components, diagnostics, fluid specifications
Transmission Manual:
Disassembly, assembly, clutch, gearbox, diagnostics, fluid specifications
Drivetrain 4X4:
Transfer case operation, maintenance, and repair; front and rear axle assemblies; differentials; CV joints
Brakes System:
Hydraulic system, ABS, disc brakes, drum brakes (rear), caliper, master cylinder, bleeding procedures, component replacement
Suspension System:
Front and rear suspension components, control arms, springs, shock absorbers, steering linkage, alignment specifications
Steering System:
Power steering pump, steering gear/rack, tie rods, linkages, diagnostics
Electrical System:
Battery, charging system, starting system, lighting, wiring diagrams, fuses, relays, diagnostic connectors
Body And Frame:
Body panel removal and installation, interior trim, glass, doors, tailgate, body repair procedures
HVAC System:
Air conditioning, heating, ventilation, blower motor, controls, refrigerant handling (with safety warnings)
Safety Restraint System:
Airbags, seat belts, SRS system diagnostics and component replacement
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks, lubrication
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting guides, fault code interpretation
Repair:
Step-by-step repair procedures for all major systems, component removal and installation
Diagnostics:
OBD-II diagnostic procedures, diagnostic trouble codes (DTCs), component testing methods
Specifications:
Torque specifications, clearances, alignment data, fluid capacities, electrical specifications
Depth:
Comprehensive, suitable for professional technicians and advanced DIYers
Detail Level:
Detailed exploded views, diagrams, wiring schematics, and diagnostic flowcharts
Oil Change Interval:
Every 3,000 - 5,000 miles (5,000 - 8,000 km) or 6 months, whichever comes first (refer to manual for exact type/spec)
Transmission Fluid Change Interval:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) (dependent on driving conditions and fluid type)
Engine Coolant Flush:
Every 30,000 miles (48,000 km) or 2 years
Engine Oil Specification 4.0L:
SAE 10W-30 API SJ or higher (refer to manual for precise spec)
Engine Oil Specification 5.2L:
SAE 5W-30 API SJ or higher (refer to manual for precise spec)
Engine Coolant:
50/50 mixture of Mopar Antifreeze/Coolant (API licensed) and distilled water
Power Steering Fluid:
Mopar Power Steering Fluid or equivalent ATF+4
Common Issue 1:
Cracked cylinder heads on 4.0L engines (often related to overheating)
Common Issue 2:
Transfer case chain stretch/slippage (especially on Quadra-Trac systems)
Common Issue 3:
Radiator failure (plastic end tanks)
Common Issue 4:
Electronic control module (ECM) failures
Common Issue 5:
Water pump leaks