Engine:
Detailed diagnostics, repair, and overhaul procedures for all available engines (e.g., 4.0L I6, 2.5L I4).
Fuel System:
Fuel pump, injectors, fuel pressure regulator, fuel filter, evaporative emission control (EVAP) system.
Cooling System:
Radiator, water pump, thermostat, cooling fan, hoses, coolant specifications.
Lubrication And Maintenance:
Oil change procedures, fluid types and capacities, filter part numbers, greasing points, basic checks.
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, sway bars, alignment specifications.
Brakes:
Disc brake systems (front/rear), brake pads, rotors, calipers, master cylinder, brake lines, ABS system (if equipped), bleeding procedures.
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting, ignition system, power distribution.
Wiring Diagrams:
Comprehensive color-coded wiring diagrams for all electrical circuits, including engine control, lighting, accessories, and power windows/locks.
Transmission:
Automatic (e.g., AW4, 42RE) and Manual (e.g., AX-15) transmissions: removal, installation, internal repair, fluid specifications, torque converter.
Heating And Air Conditioning:
HVAC system components, refrigerant, blower motor, AC compressor, evaporator, heater core, climate control operation.
Emission Control Systems:
Catalytic converter, oxygen sensors, EGR system, PCV system, evaporative emissions control.
Body:
Body panels, doors, glass, interior trim, bumpers, tailgate, structural components.
Repair:
Step-by-step repair instructions for nearly all mechanical and electrical components.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common faults and malfunctions.
Diagnostics:
OBD-II diagnostic trouble codes (DTCs) and their meanings, as well as sensor data interpretation.
Rebuilding:
Detailed instructions for rebuilding major components like engines and transmissions.
Installation:
Procedures for installing new or replacement parts.
Depth:
Comprehensive, from basic maintenance to advanced engine and transmission overhauls.
Automatic Transmission:
42RE 4-Speed Automatic (for 4.0L)
Manual Transmission:
NV3550 5-Speed Manual (for 4.0L)
Transfer Case Options:
Command-Trac (2WD/4WD Part-Time), Selec-Trac (2WD/4WD Full-Time/Part-Time).
Fluid Specifications Automatic
Atf Type:
ATF+4 (Chrysler Material Standard MS-9602), formerly ATF+3.
Fluid Specifications Manual
Manual Transmission Fluid:
API GL-5, SAE 75W-90 or 75W-140 synthetic gear oil.
Oil Change Interval:
Every 3,000 - 5,000 miles or 6 months (refer to manual for exact recommendations based on driving conditions).
Coolant Flush Interval:
Every 30,000 - 60,000 miles or 2-4 years.
Transmission Fluid Change Interval:
Every 30,000 - 60,000 miles (especially for heavy use/off-roading).
Engine Oil Type:
API SN or SP, SAE 10W-30 (preferred for 4.0L) or SAE 5W-30 (for 2.5L), meeting Chrysler MS-6395.
Coolant Type:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, or equivalent HOAT (Hybrid OAT) meeting Chrysler MS-9769 or MS-12106. Typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4
Common Issues:
Cracked cylinder heads (especially early 4.0L versions, less common on later ones), transfer case drop kit necessity for lifted vehicles, rust (especially around rocker panels and wheel wells), death wobble (requires alignment and suspension checks), automatic transmission shift solenoid failures.