Engine Mechanical:
Engine assembly, cylinder heads, crankshaft, pistons, connecting rods, timing system (chain/belt), lubrication system, cooling system, fuel delivery (mechanical aspects), emission control (mechanical aspects)
Engine Performance:
Engine tuning, performance diagnostics, emissions testing procedures, engine codes and interpretations
Transmission Automatic:
Internal components, hydraulic control, torque converter, electronic controls, fluid, seals, band/clutch pack replacement, diagnostics
Transmission Manual:
Gearbox components, clutch system, linkage, fluid, seals, diagnostics (if applicable to specific trims)
Drivetrain:
Driveshafts, CV joints, differentials, axle shafts, universal joints, wheel bearings
Brakes:
Hydraulic system, ABS, ESC, rotors, calipers, pads, brake lines, master cylinder, parking brake, bleeding procedures
Suspension:
Front suspension (struts, control arms, ball joints, bushings), rear suspension (multi-link, shock absorbers, springs), wheel alignment specifications
Steering:
Power steering system, steering column, rack and pinion, tie rods, steering angle sensor
Electrical Chassis:
Wiring diagrams, lighting system, horns, wipers, power windows, power seats, door locks, mirrors
Electrical Engine:
Engine control module (ECM), ignition system, fuel injection system, sensors (crankshaft, camshaft, O2, MAP, etc.), actuators, starter, alternator
Body And Frame:
Body panel removal and installation, structural components, collision repair guidelines, weatherstripping, seals
Climate Control:
HVAC system, refrigerant, compressor, evaporator, condenser, heater core, controls
Restraints:
Airbag system, SRS module, seat belts, pre-tensioners, diagnostic procedures for SRS
Infotainment And Audio:
Radio, speakers, navigation system (if equipped), display units, connectivity modules
Routine Maintenance:
Oil changes, filter replacements (oil, air, fuel, cabin), fluid checks and top-offs, spark plug replacement, tire rotation
Component Replacement:
Detailed step-by-step instructions for replacing major and minor components across all systems (e.g., water pump, alternator, starter, fuel pump, brake calipers, suspension arms, drive belts)
Diagnostic Troubleshooting:
System-specific troubleshooting charts, symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation and resolution strategies
Rebuild Procedures:
Overhaul procedures for engines, transmissions, and other major mechanical assemblies (e.g., detailed torque sequences, clearances, component specifications)
Electrical Diagnostics:
Use of multimeters, oscilloscopes, diagnostic scan tools, tracing electrical faults, relay testing, sensor testing
Body Repair:
Panel alignment, dent repair, rust mitigation, glass replacement, interior trim removal and installation
Specifications And Tolerances:
Torque specifications for all fasteners, bearing clearances, piston ring gap, valve lash adjustments, alignment angles
Wiring Diagrams:
Comprehensive, color-coded wiring diagrams for all vehicle circuits, including component location and connector pinouts
Depth:
Factory-level diagnostic and repair procedures, suitable for professional technicians and advanced DIYers
Diagnostics Level:
Advanced diagnostics, including module programming, system resets, and component calibration
Repair Complexity:
Covers everything from basic fluid changes to complete engine and transmission overhauls, including complex electrical system repairs
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first (under normal driving conditions, refer to manual for severe conditions)
Air Filter Replacement:
Every 30,000 miles (48,000 km) or as needed based on inspection
Cabin Filter Replacement:
Every 15,000 miles (24,000 km) or annually
Spark Plug Replacement 3.5L:
Every 100,000 miles (160,000 km) with original equipment spark plugs
Spark Plug Replacement 5.7L:
Every 100,000 miles (160,000 km) with original equipment spark plugs (often platinum-tipped)
Transmission Fluid Change:
Inspect every 30,000 miles (48,000 km), change approximately every 60,000-100,000 miles (96,000-160,000 km) depending on driving conditions and manual recommendation.
Coolant Type:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT (Hybrid OAT) or equivalent (typically purple color)
Coolant Capacity:
Approximately 12.7 US quarts (12.0 liters) for 3.5L V6, 13.7 US quarts (13.0 liters) for 5.7L V8
Power Steering Fluid Type:
ATF+4 (Mopar)
Common Issues 3.5L V6:
Oil leaks from valve covers or oil pan gasket, occasional issues with the Electronic Throttle Control (ETC) system, power steering pump noise.
Common Issues 5.7L Hemi:
Intake manifold gasket leaks, lifter noise (related to MDS system), exhaust manifold cracks, potential for oil leaks similar to the V6.
Transmission Issues:
The 5-speed automatic transmission (NAG1/W5A580) can be sensitive to fluid condition and cooling. Some units may experience rough shifting or solenoid issues.
Suspension Issues:
Worn ball joints and control arm bushings, especially in higher-mileage vehicles, leading to clunking noises and alignment issues.
Electrical Issues:
Faulty window regulators, issues with the Body Control Module (BCM), and intermittent electrical gremlins can occur.