Engine Mechanical:
Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, valvetrain, timing, lubrication system, cooling system
Engine Fuel System:
Fuel delivery, fuel injection (MPI), fuel pump, fuel filter, evaporative emission control (EVAP)
Engine Ignition System:
Ignition timing, coil-on-plug ignition, spark plugs, ignition control module
Emission Control:
Catalytic converter, oxygen sensors (O2), EGR system, PCV system
Transmission Manual:
Clutch system, gearbox overhaul, shift linkage, service procedures for NV3500 and NV5600
Transmission Automatic:
42RLE transmission overhaul, torque converter, valve body, transmission control module (TCM), fluid and filter service
Drivetrain:
Front axle, rear axle, differentials, transfer case (4WD), driveshafts, CV joints, U-joints
Suspension:
Front independent suspension (short and long arm), rear solid axle, leaf springs, shocks, struts, ball joints, control arms, stabilizer bars
Steering:
Power steering system, steering gear, steering column, intermediate shaft, tie rods
Brakes:
Front disc brakes (ventilated rotors), rear drum brakes (some models), anti-lock braking system (ABS), brake fluid, master cylinder, brake lines, calipers, wheel cylinders
Electrical System:
Battery, charging system (alternator), starting system (starter motor), ignition system, lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams
HVAC System:
Air conditioning (A/C) system, heater core, blower motor, climate control, refrigerant handling
Body Interior:
Door panels, dashboard, seats, headliner, carpeting, trim components
Body Exterior:
Body panels, bumpers, fenders, doors, hood, tailgate, glass, mirrors, bedliner
Body Chassis:
Frame, body mounts, subframes
Diagnostic Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting, wiring schematics for diagnostics
Routine Maintenance:
Oil changes, fluid checks and replacements, filter replacements, spark plug replacement, tire rotation
Engine Repair:
Complete engine rebuilds, head gasket replacement, timing belt/chain service, piston and ring replacement, bearing replacement
Transmission Overhaul:
Complete disassembly and reassembly of automatic and manual transmissions
Brake System Repair:
Brake pad and rotor replacement, caliper and wheel cylinder service, brake line replacement, ABS component diagnosis and replacement
Suspension And Steering Repair:
Component replacement (ball joints, tie rods, shocks), alignment procedures, steering gear service
Electrical Diagnostics:
Troubleshooting electrical faults, component testing, wiring harness repair, starter/alternator testing and replacement
HVAC Service:
A/C system recharging, component replacement (compressor, condenser, evaporator), heater core replacement
Body And Frame Repair:
Body panel replacement, rust repair, frame straightening (basic), glass replacement
Torque Specifications:
Detailed torque values for all fasteners across all major systems
Diagnostic Troubleshooting Charts:
Flowcharts and tables for diagnosing common and complex issues
Depth Level:
Comprehensive (from basic maintenance to full engine and transmission rebuilds)
Detail Level:
Detailed step-by-step instructions with illustrations and diagrams
Diagnostic Capability:
Advanced diagnostic procedures including scan tool usage and sensor testing
Oil Change Interval:
Every 3,000-7,500 miles or 6 months, depending on oil type and driving conditions (refer to manual for specifics).
Engine Air Filter:
Inspect every 15,000 miles, replace as needed (typically 30,000 miles)
Cabin Air Filter:
Inspect every 15,000 miles, replace as needed (typically 20,000-30,000 miles)
Spark Plugs:
3.7L V6: 100,000 miles (if using Champion or equivalent copper/platinum plugs); 4.7L V8: 100,000 miles (if using Champion or equivalent copper/platinum plugs)
Transmission Fluid Change:
42RLE Automatic: 60,000 miles (severe duty), 100,000 miles (normal duty); Manual: Check periodically, change at 100,000 miles.
Engine Oil 3.7L:
SAE 5W-20, API SN or SP certified, MS-6395 (refer to manual for exact type)
Engine Oil 4.7L:
SAE 5W-20 or 5W-30, API SN or SP certified, MS-6395 (refer to manual for exact type)
Coolant:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, Blue (50/50 mix)
Rattling Noise Under Acceleration:
Commonly attributed to loose exhaust heat shields or catalytic converter issues.
Transmission Hard Shifting:
Can be related to the valve body, solenoids, or TCM in the 42RLE automatic. Manual transmissions can have clutch or linkage issues.
Front Suspension Noise:
Worn ball joints, tie rod ends, or control arm bushings are common causes of clunking or rattling.
Water Pump Leaks:
The water pump on the 4.7L V8 engines is a known failure point, often leaking from the weep hole.