Lesson 1Exhaust and emissions control: manifold, catalytic converter, oxygen sensors inspectionThis part covers checking exhaust and emissions parts, including manifolds, catalytic converters, and oxygen sensors. You'll learn to detect leaks, overheating, internal harm, and sensor issues impacting performance.
Checking manifolds for leaks and cracksHeat shield, hanger, and joint inspectionCatalytic converter temperature and rattle checksOxygen sensor visual and wiring inspectionUsing scan data for O2 and catalyst testsIdentifying exhaust restrictions and backpressureLesson 2Battery and charging system: state-of-charge, load test, terminals and alternator outputThis part outlines preventive checks for the battery and charging system. You'll cover state-of-charge tests, load testing, terminal maintenance, and alternator output to avoid no-starts and electrical breakdowns.
Open-circuit voltage and SOC assessmentBattery load testing and rating selectionTerminal cleaning and corrosion preventionChecking cable routing and ground pointsAlternator output and ripple testingParasitic draw checks during diagnosisLesson 3Air filter, fuel filter, cabin filter inspection and replacement criteriaThis part explains checking and replacement standards for air, fuel, and cabin filters. You'll learn how blockages affect performance, evaluate dirt levels, and adhere to service intervals for varied driving conditions.
Engine air filter restriction and damage checksFuel filter clogging symptoms and serviceCabin filter access, removal, and inspectionChoosing correct filter types and ratingsService intervals for severe duty useDocumenting filter changes on service logsLesson 4Drive belts, accessory belt tensioners, pulleys inspection and replacement triggersThis part covers inspecting drive belts, accessory belt tensioners, and pulleys. You'll learn to spot wear, noise origins, and failure risks, and decide when preventive swaps are needed.
Identifying belt cracks, glazing, and frayingMeasuring belt wear with gauge toolsManual and automatic tensioner checksPulley alignment, wobble, and noise testsReplacing belts without damaging componentsPost-replacement recheck and noise diagnosisLesson 5Ignition system: spark plug inspection/replacement, ignition coils and lead checksHere you'll examine preventive checks for the ignition system, including spark plugs, coils, and leads. You'll cover inspection, testing, and replacement standards to prevent misfires, hard starts, and poor fuel efficiency.
Spark plug removal and condition readingGap measurement and correct torqueCoil primary and secondary testsInspecting leads, boots, and routingCommon ignition-related drivability symptomsRecommended replacement intervals and partsLesson 6Tyres, wheel bearings, alignment, and suspension (shocks, springs, bushings) inspection proceduresHere you'll examine inspection methods for tyres, wheel bearings, alignment, and suspension parts like shocks, struts, springs, and bushings. Emphasis is on safety, tyre wear patterns, and ride and handling concerns.
Tire tread depth, wear pattern, and ageChecking tire pressures and load ratingsWheel bearing play, noise, and seal checksVisual inspection of shocks and strutsSpring, bushing, and joint wear checksBasic alignment indicators and road testLesson 7Brake system: pads, rotors, calipers, lines, parking brake, ABS sensor checksThis part explains thorough brake inspections, covering pads, rotors, calipers, hydraulic lines, parking brake, and ABS sensors. It highlights wear thresholds, test approaches, common issues, and safe service habits.
Measuring pad thickness and wear patternsRotor runout, thickness, and surface checksCaliper slide, piston, and seal inspectionBrake hose, hard line, and leak inspectionParking brake travel and holding testsABS sensor, wiring, and tone ring checksLesson 8Engine oil and oil filter: checking level, contamination, correct spec and change criteriaThis part addresses engine oil and filter upkeep, including level checks, contamination indicators, viscosity and spec confirmation, and change standards based on mileage, time, and driving conditions.
Checking oil level, color, and odorIdentifying fuel, coolant, or metal contaminationSelecting correct oil grade and specificationOil filter type, fitment, and bypass functionService intervals and severe duty factorsResetting maintenance reminders correctlyLesson 9Lighting, wipers, seals, and body corrosion inspection checklistYou'll learn to check exterior and interior lighting, wiper systems, weather seals, and body rust. The part stresses visibility, preventing water leaks, and early rust spotting to maintain safety and value.
Headlamp, brake, and signal lamp testsLens condition, aim, and beam pattern checksWiper blade, arm, and washer operationDoor, trunk, and glass weather seal checksUnderbody and wheel arch rust inspectionRust treatment and protection strategiesLesson 10Cooling system: coolant level, condition, hoses, thermostat, water pump checksYou'll learn to assess coolant level, mix, and state, and inspect hoses, thermostat, radiator, and water pump. The part emphasises leak finding, overheating avoidance, and proper coolant service methods.
Coolant level, mixture, and test toolsPressure testing radiator, cap, and hosesThermostat opening tests and failure signsWater pump bearing, seal, and noise checksInspecting heater core and bypass hosesFlushing and refilling with correct coolantLesson 11Fluids: transmission/gearbox, brake fluid, power steering/EPAS, differential; sampling and replacement intervalsHere you'll learn to inspect, sample, and replace key vehicle fluids, including transmission, brake, power steering or EPAS, and differential oils. Focus is on intervals, contamination signs, and correct fluid specs.
Identifying correct OEM fluid specificationsTransmission fluid level, color, and odor checkBrake fluid moisture testing and flushing stepsPower steering and EPAS fluid inspectionsDifferential and final drive oil serviceRecording fluid changes and service history
