Engine Mechanical:
Complete overhaul, diagnosis, and repair procedures for all engine variants. Includes cylinder head, block, pistons, crankshaft, camshafts, timing systems, oil pump, and lubrication.
Engine Management:
Detailed diagnostics and repair for fuel injection, ignition system, emissions control, sensors (MAP, TPS, O2, Crankshaft Position), actuators, and ECU troubleshooting.
Transmission Automatic:
In-depth coverage of the NV247/NV245 transfer case and associated electronic control modules. Includes disassembly, assembly, torque converter, valve body, clutch packs, and electronic diagnostics.
Transmission Manual:
Coverage for available manual transmissions, including clutch system, gearbox overhaul, and gearshift linkages.
Drivetrain And Axles:
Front and rear axle assemblies, differential service, CV joints, driveshafts, U-joints, and four-wheel-drive system operation and repair.
Suspension And Steering:
Front and rear suspension components (control arms, ball joints, bushings, springs, shocks/struts), power steering system, steering gear/rack, and alignment procedures.
Brakes:
Front and rear brake systems (disc/drum), ABS operation and diagnosis, hydraulic components, brake lines, pads, rotors, calipers, and parking brake system.
Electrical System:
Comprehensive wiring diagrams, fuse box layouts, relay locations, component testing, charging system (alternator, battery), starting system, lighting, and power distribution.
HVAC System:
Air conditioning system components (compressor, condenser, evaporator, refrigerant), heating system, blower motor, controls, and troubleshooting.
Body And Frame:
Body panel repair, door mechanisms, glass replacement, interior trim, bumpers, chassis structure, and corrosion protection.
Interior And Accessories:
Seat adjustments, airbag system service (with safety precautions), instrument panel, power windows, locks, mirrors, and audio systems.
Routine Maintenance:
Oil changes, fluid checks and top-offs, filter replacements, tire rotation, battery service, and lubrication points.
Troubleshooting Guides:
Diagnostic trees and symptom-based troubleshooting for common and complex issues across all vehicle systems.
Engine Rebuilds:
Detailed instructions for complete engine disassembly, inspection, machining, and reassembly, including torque specifications and clearances.
Transmission Overhaul:
Step-by-step guides for rebuilding automatic and manual transmissions, including component identification and replacement.
Brake System Repair:
Replacement of pads, rotors, calipers, master cylinder, and bleeding of brake lines.
Electrical Diagnostics:
Testing of electrical circuits, sensors, actuators, and modules using multimeters and diagnostic scan tools.
Suspension Component Replacement:
Instructions for replacing ball joints, tie rods, control arms, springs, and shocks.
Body Panel Alignment And Repair:
Procedures for panel replacement, door hinge adjustment, and bumper repair.
HVAC Component Replacement:
Replacement of AC compressor, drier, expansion valve, and blower motor.
Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds. Includes diagnostic procedures, electrical schematics, and component specifications.
Oil Change Interval:
Every 5,000 to 7,500 miles (8,000 to 12,000 km) or 6 months, whichever comes first, depending on driving conditions and oil type.
Air Filter Replacement:
Every 15,000 to 30,000 miles (24,000 to 48,000 km), or as needed based on inspection.
Spark Plug Replacement 4.0L:
Approx. 100,000 miles (160,000 km) with platinum-tipped plugs.
Spark Plug Replacement 4.7L:
Approx. 100,000 miles (160,000 km) with platinum-tipped plugs.
Coolant Flush:
Every 30,000 miles (48,000 km) or 2 years.
Engine Oil Type:
SAE 5W-30 (API Service SG, SH, SJ, or SL rating)
Engine Oil Capacity 4.0L:
5 quarts (4.7 liters) with filter.
Engine Oil Capacity 4.7L:
6 quarts (5.7 liters) with filter.
Coolant Type:
Mopar Antifreeze/Coolant (Green, G-2 type) or equivalent ethylene glycol based.
Power Steering Fluid:
ATF+4 (Mopar Material) or Mopar Power Steering Fluid.
Head Gasket Leaks:
Certain early 4.7L V8 engines may be prone to head gasket issues, especially if overheated. The manual provides procedures for diagnosis and replacement.
Transmission Selector Module Issues:
Potential for failure in the transmission range sensor/selector module, affecting gear selection indications. The manual details diagnostic steps.
Transfer Case Issues Quadra Drive:
While advanced, the Quadra-Drive system's differentials can require specific maintenance and diagnosis for issues related to the electronic clutch packs and solenoids.
Power Window Motors:
Occasional failure of power window regulator motors or switches. Manual covers diagnostic and replacement procedures.
Exhaust Manifold Cracks:
The 4.7L V8 can experience exhaust manifold cracks due to thermal cycling. The manual covers replacement and inspection.