Engine Systems:
Engine mechanical (cylinder head, block, pistons, crankshaft, camshaft), fuel injection systems (MPI, TBI), ignition system, lubrication system, cooling system, emissions control systems (EGR, catalytic converter, evaporative emission control), engine diagnostics and troubleshooting, timing belt/chain replacement, motor mounts, performance tuning basics.
Transmission Systems:
Manual transmission (clutch, gearbox, shifting mechanisms), automatic transmission (torque converter, valve body, planetary gears, solenoids), transmission control modules, gear ratios, fluid capacities and specifications, troubleshooting, repair procedures, axle shaft removal/installation, CV joints.
Brakes And Suspension:
Front and rear brake systems (disc, drum), ABS (Anti-lock Braking System) diagnosis and repair, brake fluid specifications and bleeding procedures, parking brake system, power assist systems. Front suspension (MacPherson struts, control arms, ball joints, sway bars), rear suspension (independent, torsion beam depending on model), shock absorbers/struts, wheel bearings, steering system (power steering pump, rack and pinion), alignment specifications.
Electrical And Body:
12V electrical system, battery, charging system (alternator), starting system (starter motor), lighting systems (headlights, taillights, interior), fuses and relays, wiring diagrams, dashboard instrumentation, power windows, power locks, mirrors, HVAC system controls, wiper system, horn. Body panel removal/installation, door mechanisms, glass replacement, interior trim, bumpers, chassis components, corrosion protection, paint and finishing information.
Powertrain Control Module PCM And Sensors:
Diagnosis and repair of engine sensors (e.g., O2, MAF, MAP, TPS, Crankshaft Position), ignition coils, fuel injectors, and the PCM itself. Includes procedures for checking sensor readings and basic diagnostic workflows.
Exhaust System:
Catalytic converter replacement, muffler and pipe repair/replacement, oxygen sensor replacement, exhaust manifold inspection and repair.
Maintenance Procedures:
Scheduled maintenance intervals (oil changes, filter replacements, spark plugs, timing belt), fluid checks and changes (coolant, brake fluid, transmission fluid, power steering fluid), filter replacement (air, oil, fuel), brake pad/shoe replacement, tire rotation and balancing.
Repair And Diagnostic Procedures:
Engine component removal and installation, transmission overhaul, suspension and steering component replacement, brake caliper/master cylinder replacement, electrical component diagnosis and repair, HVAC system troubleshooting, bodywork repair, diagnostic trouble code (DTC) lookup and interpretation, common fault finding and solutions.
Engine Tuning And Adjustment:
Idle speed adjustment, ignition timing adjustment (on models with distributors), fuel mixture adjustments (on older carbureted or early EFI systems).
Suspension Component Replacement:
Ball joints, tie rod ends, control arm bushings, sway bar links, strut/shock absorber replacement, wheel bearing replacement.
Brake System Overhaul:
Caliper rebuild or replacement, rotor resurfacing or replacement, brake pad replacement, drum brake shoe replacement, master cylinder replacement, brake line bleeding, parking brake adjustment.
Diagnostic Trouble Codes DTCs:
Listing of common DTCs and their corresponding symptoms and potential causes. Procedures for retrieving codes using OBD-I or early OBD-II scanners.
Technical Depth:
Comprehensive: Covers routine maintenance, troubleshooting, diagnostics, and complete repair/overhaul procedures for all major vehicle systems. Includes detailed specifications, torque values, and diagrams.
Diagnostic Tools Required:
Basic hand tools, torque wrench, multimeter, diagnostic scan tool (OBD-I or OBD-II depending on model year), specialized tools for specific tasks (e.g., ball joint separator, spring compressor).
Schematics And Diagrams:
Detailed wiring diagrams, vacuum diagrams, exploded view diagrams for component identification and assembly, torque specifications for virtually all fasteners.
Cooling System Coverage:
Radiator, water pump, thermostat, coolant hoses, heater core replacement and testing, flushing procedures, fan operation and diagnosis.
Lubrication System Coverage:
Oil pan removal/installation, oil pump operation, oil filter and oil cooler servicing (if equipped), lubrication point identification.
Steering System Coverage:
Power steering pump, reservoir, hoses, steering rack, tie rods, steering column components. Includes fluid checks, bleeding procedures, and alignment adjustment information.
Body Control Modules Coverage:
Diagnosis and repair of power door locks, power windows, central locking systems, keyless entry (if equipped), interior and exterior lighting controls, horn operation.
Heating Ventilation Air Conditioning Hvac
HVAC Coverage:
Component identification, refrigerant handling basics (though likely not detailed EPA procedures), blower motor, evaporator, condenser, heater core, A/C compressor, cycling switch diagnosis and replacement.
Wheel And Tire Coverage:
Tire pressure recommendations, recommended tire sizes, wheel bolt patterns (e.g., 4x114.3 mm for many models), lug nut torque specifications, wheel bearing replacement.
Body And Frame Coverage:
Panel alignment, dent repair basics, rust prevention and repair, glass replacement (windshield, side glass, rear glass), door and panel trim removal and installation, bumper service.
Chassis Electrical Coverage:
Complete wiring diagrams for all electrical systems, fuse box layouts and identification, relay functions, lighting circuits, horn circuit, wiper circuit, power accessory circuits.
Engine Oil And Filter Change:
Every 3,000 - 5,000 miles (5,000 - 8,000 km) or 6 months, whichever comes first (depending on driving conditions and oil type used).
Timing Belt Replacement:
Recommended every 60,000 - 90,000 miles (96,000 - 145,000 km) or 5-7 years, as a preventative measure. Failure can cause catastrophic engine damage.
Spark Plug Replacement:
Every 30,000 - 60,000 miles (48,000 - 96,000 km), depending on spark plug type (copper vs. platinum/iridium).
Engine Oil Type:
API SJ or higher, SAE 5W-30 or 10W-30 (check owner's manual for specific viscosity based on climate).
Coolant Type:
Ethylene glycol based antifreeze, 50/50 mix with distilled water. Mopar/Chrysler HOAT or similar recommended for later models.
Brake Fluid Type:
DOT 3 or DOT 4
Common Issues:
Timing belt wear and potential failure (critical maintenance item), fuel injector clogging, alternator failure, starter motor issues, window regulator failures, exhaust system rust, CV joint wear, ABS sensor issues, coolant leaks from hoses or radiator. Some models may experience automatic transmission shifting problems.
Common Issues Details:
Premature wear on suspension bushings and ball joints in high-mileage vehicles. Evaporative emission control system faults can lead to check engine lights. Clutch wear on manual transmission vehicles.