Engine Mechanical:
Engine assembly, disassembly, overhaul, tuning
Engine Fuel:
Fuel injection system, fuel pump, injectors, pressure regulator
Engine Ignition:
Ignition system components, timing, diagnostics
Engine Cooling:
Radiator, water pump, thermostat, hoses, fan
Engine Lubrication:
Oil pump, oil pan, oil filter, lubrication system diagnostics
Engine Exhaust:
Exhaust manifold, catalytic converter, muffler, emissions control
Transmission Automatic:
Automatic transmission overhaul, diagnostics, fluid service
Transmission Manual:
Manual transmission overhaul, diagnostics, fluid service
Drivetrain Transfer Case:
NV231, NV242 transfer case repair and maintenance
Drivetrain Axles:
Front and rear axle components, differentials, CV joints
Brakes:
Brake system components, hydraulic lines, ABS diagnostics, caliper/rotor replacement
Suspension:
Front and rear suspension, control arms, coil springs, shock absorbers, bushings
Steering:
Power steering system, steering column, tie rods, steering gear
Electrical System:
Battery, charging system, starter, lighting, horn
Electrical Body:
Power windows, locks, mirrors, interior/exterior lighting, wipers
Climate Control:
HVAC system, A/C compressor, heater core, blower motor, refrigerant handling
Body Exterior:
Body panel repair, doors, hood, tailgate, trim, bumpers
Body Interior:
Interior trim, seats, dashboard, carpeting, headliner
Safety Restraints:
Airbag system, seat belts
Scheduled Maintenance:
Oil changes, filter replacements, fluid checks, tire rotations
Diagnostic Procedures:
Troubleshooting guides, fault code interpretation, system testing
Repair Procedures:
Component removal, installation, adjustment, and calibration
Rebuild Procedures:
Engine, transmission, and differential rebuilding
Technical Specifications:
Torque values, clearances, alignments, wiring diagrams
Depth:
Comprehensive, covering from basic maintenance to full engine/transmission rebuilds
Diagnostic Level:
Advanced diagnostic procedures and symptom-based troubleshooting
Oil Change Interval Miles:
3,000-5,000 miles or 3-6 months (depending on driving conditions and oil type)
Engine Air Filter Replacement Miles:
15,000-30,000 miles or as needed
Transmission Fluid Change Miles:
30,000-60,000 miles (under normal conditions)
Coolant Change Miles:
50,000-100,000 miles or 3-5 years (depending on coolant type)
Engine Oil Type:
SAE 10W-30 (API SG or higher)
Engine Oil Capacity Quarts:
5.0 (with filter)
Coolant Type:
Ethylene Glycol based (Mopar Antifreeze/Coolant 10 Year/100,000 Mile Formula)
Power Steering Fluid Type:
ATF+3 or ATF+4
Common Issue 1:
Headliner sagging
Common Issue 2:
Radiator leaks and overheating (especially early models)
Common Issue 3:
Aging rubber bushings and suspension components
Common Issue 4:
Power window motor failures
Common Issue 5:
Transfer case chain wear/stretch
