Engine Mechanical:
Complete overhaul, component testing, disassembly/assembly, timing, lubrication, cooling system, fuel system (gasoline and diesel), exhaust system.
Engine Electrical:
Ignition system, starter motor, alternator, battery, engine control module (ECM) diagnostics, sensors, actuators, wiring diagrams.
Transmission Automatic:
Disassembly, assembly, hydraulic control, torque converter, valve body, electronic control unit (ECU) diagnostics, fluid and filter service.
Drivetrain:
Front axle, rear axle, differentials, transfer case (NV245, NV247, NV249 depending on trim/year), driveshafts, CV joints, propeller shafts, wheel bearings.
Brakes:
Hydraulic system, calipers, rotors, pads, parking brake, ABS system, stability control system, bleed procedures, component replacement.
Suspension:
Front and rear suspension components, struts, shocks, control arms, ball joints, bushings, springs, steering knuckles, wheel alignment procedures.
Steering:
Power steering system, steering column, steering gear, tie rods, steering linkage, power steering fluid specifications and replacement.
Electrical System:
Battery, charging system, lighting (headlamps, taillamps, interior), power windows, power locks, mirrors, horn, wiper system, fuses, relays, wiring diagrams for all systems.
HVAC:
Air conditioning system, heating system, ventilation, blower motor, compressor, evaporator, condenser, refrigerant handling, cabin air filter replacement.
Body Exterior:
Bumpers, fenders, doors, hood, liftgate, body panels, glass replacement, exterior trim, weatherstripping, paint repair basics.
Body Interior:
Dashboard, upholstery, seating, interior trim panels, headliner, door panels, sound insulation, airbag system components and safety precautions.
Chassis And Frame:
Body-on-frame construction details, subframes, mounting points, frame inspection and repair guidelines.
Wheels And Tires:
Tire specifications, pressure recommendations, wheel torque specifications, tire rotation, balancing, replacement.
Maintenance:
Scheduled maintenance (oil changes, filter replacements, fluid checks), inspections, lubrication, component checks.
Diagnostics:
System diagnostics, troubleshooting guides, common fault codes, symptom-based troubleshooting, use of diagnostic tools.
Repair:
Step-by-step repair procedures for all major components and systems, including detailed disassembly and reassembly instructions.
Replacement:
Component replacement procedures for parts like spark plugs, brake pads, batteries, filters, belts, hoses, bulbs, and more.
Overhaul:
Complete engine and transmission overhaul procedures, including detailed torque specifications and clearances.
Installation:
Procedures for installing new or replacement components, accessories, and sometimes aftermarket parts.
Electrical Troubleshooting:
Detailed troubleshooting of electrical faults, including how to read and interpret wiring diagrams.
Torque Specifications:
Comprehensive list of torque specifications for all critical fasteners and components.
Depth Of Information:
Comprehensive A-Z coverage for all repair and service procedures, suitable for DIY enthusiasts and professional mechanics.
Diagrams And Illustrations:
Includes step-by-step instructions with pictures and diagrams for clarity.
Diagnostic Trouble Codes:
Coverage of common DTCs and their potential causes and troubleshooting steps.
Standard Transmission:
5-speed automatic transmission (e.g., Mercedes-Benz 5G-Tronic W5A580) for 3.6L and 3.0L Diesel, 8-speed automatic (e.g., ZF 8HP70 or Chrysler 845RE) for 5.7L HEMI.
Optional Transmission:
Various automatic transmission configurations depending on engine and drivetrain (RWD/4WD).
Drivetrain Options:
Rear-Wheel Drive (RWD) and Four-Wheel Drive (4WD) with various Jeep Selec-Terrain™ systems (Quadra-Trac I, Quadra-Trac II, Quadra-Drive II).
Transmission Fluid Spec 3.6 3.0:
Refer to service manual for specific ATF type (e.g., ATF+4, Shell M-1375.4, etc. - highly dependent on transmission model)
Transmission Fluid Spec 5.7:
Refer to service manual for specific ATF type (e.g., ATF+4, Mopar 8-Speed Automatic Transmission Fluid, etc. - highly dependent on transmission model)
Oil Change Interval Gasoline:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first, using synthetic oil (refer to manual for exact recommendation).
Oil Change Interval Diesel:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first, using synthetic diesel-specific oil.
Engine Air Filter Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed or at least every 30,000 miles (48,000 km).
Cabin Air Filter Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed or at least every 30,000 miles (48,000 km).
Transmission Fluid Service:
Recommended fluid and filter change interval typically around 60,000-100,000 miles (96,000-160,000 km), but consult the manual for precise intervals based on driving conditions.
Coolant Flush:
Initial change at 100,000 miles (160,000 km), then every 50,000 miles (80,000 km) or 5 years.
Engine Oil 3.6L 5.7L:
SAE 0W-20 Synthetic (API SN/SM, ILSAC GF-5 or equivalent) - Verify exact specification in manual.
Engine Oil 3.0L:
SAE 5W-30 Synthetic Diesel Engine Oil (API CJ-4/CI-4 PLUS or equivalent) - Verify exact specification in manual.
Coolant:
HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, Mopar OAT or equivalent, typically Mopar Pentafrost® 3000 or equivalent (Pink/Red color).
Brake Fluid:
DOT 3 or DOT 4 (Verify in manual, often DOT 3 for this era).
Power Steering Fluid:
MS-5958 or equivalent (Power Steering Fluid / ATF +4 compatible in some cases - verify in manual).
Common Wk2 Issues:
Tipm (Totally Integrated Power Module) failures causing electrical gremlins, suspension component wear (bushings, ball joints), water pump leaks (especially on Pentastar), exhaust manifold cracks (HEMI), diesel particulate filter (DPF) issues if not driven appropriately, Uconnect system glitches.