Engine Mechanical:
Complete disassembly, inspection, repair, and reassembly of engine components.
Cooling System:
Radiator, water pump, thermostat, hoses, fan clutch, coolant specifications, troubleshooting.
Fuel System:
Fuel pump, fuel injectors, fuel tank, fuel filter, fuel pressure testing, evaporative emission control.
Ignition System:
Spark plugs, ignition coils, distributor (if applicable), timing, troubleshooting.
Charging System:
Alternator, battery, voltage regulator, testing and repair procedures.
Starting System:
Starter motor, starter solenoid, troubleshooting and replacement.
Emission Control Systems:
Catalytic converter, oxygen sensors, EGR system, charcoal canister, troubleshooting and diagnosis.
Transmission Manual:
Manual transaxle removal, disassembly, repair, and reassembly, fluid specifications, clutch system.
Transmission Automatic:
Automatic transaxle removal, overhaul, fluid type and capacity, troubleshooting.
Drive Shaft:
Front and rear drive shaft removal, U-joints, balancing.
Axles:
Front and rear axle beam, differential case, axle shafts, seals, fluid specifications, hub maintenance.
Suspension Front:
Front suspension system, control arms, ball joints, tie rod ends, springs, shock absorbers, wheel alignment.
Suspension Rear:
Rear suspension system, leaf springs, shock absorbers, rear axle beam, alignment.
Steering System:
Steering column, steering gear, power steering pump, hoses, fluid specifications, troubleshooting.
Brake System:
Front and rear brakes, master cylinder, brake booster, calipers, rotors, drums, parking brake, brake fluid specifications, bleeding procedures.
Wheel And Tire System:
Tire pressure, rotation, wheel balancing, lug nut torque specifications, bolt patterns.
Wiper And Washer System:
Wiper motor, washer pump, nozzles, linkage, reservoir, troubleshooting.
Lighting System:
Headlamps, taillamps, turn signals, interior lighting, bulb replacement.
Audio And Visual System:
Radio receiver, speakers, antenna, wiring.
Air Conditioning System:
Compressor, condenser, evaporator, blower motor, refrigerant, system operation and troubleshooting.
Heater And Air Conditioner:
Heater core, climate controls, blower assembly.
Supplemental Restraint System:
Airbag system components, sensors, SRS warning light, safety precautions.
Body Repair:
Fender panels, doors, bumpers, hood, tailgate, glass, weatherstripping, structural repairs.
Instrument Panel:
Gauges, warning lights, switches, trim removal.
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems.
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, lubrication points.
Troubleshooting:
Diagnostic procedures for common and uncommon vehicle issues, symptom-based troubleshooting guides.
Repair:
Step-by-step instructions for component removal, repair, and installation.
Diagnostics:
Information on diagnostic trouble codes (DTCs) and scan tool usage.
Torque Specifications:
Precise torque values for critical fasteners throughout the vehicle.
Special Tools:
Identification and usage of specialized tools required for certain procedures.
Depth:
Comprehensive coverage from basic maintenance to complete engine and transmission overhauls.
Detail Level:
Detailed illustrations, exploded views, and step-by-step instructions.
Oil Change Interval:
Every 3,000 miles or 3 months, whichever comes first (severe service) / 7,500 miles or 6 months (normal service, consult manual for specifics).
Tire Rotation Interval:
Every 6,000-7,500 miles
Transmission Fluid Change:
Automatic: Every 30,000-60,000 miles (consult manual) / Manual: Check level periodically, change fluid as needed.
Coolant Flush:
Every 30,000 miles or 2 years
Engine Oil Type:
API SG/SH, SAE 10W-30 (check manual for specific viscosity by temperature)
Engine Oil Capacity:
4.0L I6: 5 US quarts (with filter) / 2.5L I4: 5 US quarts (with filter)
Coolant Type:
Mopar Antifreeze/Coolant (Green, Ethylene Glycol based)
Transmission Fluid Type Auto:
ATF+4 (or equivalent)
Transmission Fluid Type Manual:
API GL-3 or GL-4, SAE 75W-90 Gear Lubricant (check manual for specific recommendations)
Transfer Case Fluid:
Mopar NV231/NP231 transfer case fluid or equivalent (check manual)
Differential Fluid:
API GL-5, SAE 80W-90 Gear Lubricant (consider limited-slip additive if equipped)
Power Steering Fluid:
Mopar Power Steering Fluid or Dexron III ATF
Common Issues 1999 Wrangler:
Cracked exhaust manifolds (especially 4.0L), front axle U-joint wear, steering stabilizer issues, minor oil leaks, rear main seal leaks, clutch issues (manual).