Engine Mechanical:
Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication, cooling system
Engine Performance:
Fuel delivery, injection system, ignition system, emissions control, turbocharging (if applicable)
Transmission Manual:
Clutch, gearbox assembly, shift mechanism, internal components
Transmission Automatic:
Torque converter, valve body, planetary gearsets, transmission control module (TCM), hydraulic systems
Drivetrain Transfer Case:
Transfer case operation, maintenance, repair of Command-Trac NV231 and Select-Trac NV242 systems
Axles Differentials:
Front and rear axle assemblies, differentials, CV joints, driveshafts
Suspension Steering:
Front and rear suspension components (struts, shocks, control arms, springs, bushings), steering gear, power steering system
Brakes:
Front and rear disc brakes, ABS system, parking brake, hydraulic lines
Electrical System:
Battery, charging system (alternator), starting system (starter), lighting, instrumentation, power distribution, fuses, relays
Body Exterior:
Body panels, doors, hood, tailgate, bumpers, glass, seals, exterior trim
Body Interior:
Dashboard, seats, carpets, headliner, interior trim panels, airbags
HVAC:
Heating, ventilation, air conditioning system components, refrigerant, diagnosis
Diagnostics:
On-Board Diagnostics (OBD-II) system, diagnostic trouble codes (DTCs), scan tool usage, troubleshooting procedures
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement, brake pad replacement
Troubleshooting:
System-specific diagnostic trees, symptom-based problem identification and resolution
Repair:
Component removal and installation, adjustments, calibration, system overhauls
Engine Rebuild:
Detailed steps for engine disassembly, inspection, measurement, and reassembly
Transmission Overhaul:
Complete rebuild procedures for both manual and automatic transmissions
Electrical Component Replacement:
Replacement of starters, alternators, sensors, actuators, ECUs
Body Repair:
Panel alignment, dent removal, glass replacement, trim installation
Depth:
Comprehensive, from basic scheduled maintenance to complete engine and transmission overhauls and advanced electrical diagnostics
Wiring Diagrams:
Includes detailed electrical circuit diagrams for all major systems
Torque Specifications:
Provides precise torque values for all critical fasteners
Diagnostic Charts:
Features extensive diagnostic flowcharts and symptom-based troubleshooting guides
Engine Displacement 1:
2.4 Liters (2429 cc)
Engine Configuration 1:
Inline 4-cylinder (I4)
Engine Valvetrain 1:
DOHC (Double Overhead Camshaft), 16 valves
Horsepower 1:
150 hp @ 5800 rpm (approx.)
Torque 1:
165 lb-ft @ 4000 rpm (approx.)
Bore X Stroke 1:
87.5 mm x 100.0 mm (approx.)
Compression Ratio 1:
9.5:1 (approx.)
Engine Displacement 2:
3.7 Liters (3701 cc)
Engine Configuration 2:
V-engine (V6)
Engine Valvetrain 2:
SOHC (Single Overhead Camshaft), 12 valves
Horsepower 2:
205 hp @ 5800 rpm (approx.)
Torque 2:
235 lb-ft @ 4000 rpm (approx.)
Bore X Stroke 2:
80.5 mm x 94.5 mm (approx.)
Compression Ratio 2:
9.7:1 (approx.)
Fuel Injection:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline
Recommended Octane:
87 Octane (minimum)
Standard Transmission:
NV3500 5-speed Manual Transmission
Optional Transmission:
45RFE 4-speed Automatic Transmission
Automatic Transmission Features:
Electronically controlled, overdrive, lock-up torque converter
Manual Transmission Features:
Robust cast-iron housing, overdrive fifth gear
Automatic Transmission Fluid Spec:
ATF+4 (MS-9602)
Manual Transmission Fluid Spec:
Mopar Manual Transmission Lubricant (or equivalent API GL-4 75W-90)
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions)
Tire Rotation Interval:
Every 7,500 miles (12,000 km)
Engine Air Filter Replacement:
Every 30,000 miles (48,000 km) or as needed based on conditions
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months
Spark Plug Replacement 2.4L:
100,000 miles (160,000 km) (if using original equipment spark plugs)
Spark Plug Replacement 3.7L:
100,000 miles (160,000 km) (if using original equipment spark plugs)
Engine Oil Spec 2.4L:
SAE 5W-30, API SN or higher
Engine Oil Spec 3.7L:
SAE 5W-20, API SN or higher
Engine Coolant Spec:
Mopar Antifreeze/Coolant (HOAT) - 50/50 mix with distilled water
Power Steering Fluid Spec:
Mopar Power Steering Fluid or ATF+4
Common Problems:
Water pump leaks (especially on V6), differential pinion seal leaks, rear main seal leaks, AC system issues, minor electrical gremlins, transmission solenoid pack issues (automatic)