Lesson 1Exhaust and emissions management: manifold, catalytic converter, oxygen sensors checkThis part covers checks of exhaust and emissions parts, including manifolds, catalytic converters, and oxygen sensors. You will learn to detect leaks, overheating, internal harm, and sensor issues impacting performance on local fuels.
Checking manifolds for leaks and cracksHeat shield, hanger, and joint reviewsCatalytic converter heat and rattle checksOxygen sensor visual and wiring reviewsUsing scan data for O2 and catalyst testsSpotting exhaust blockages and backpressureLesson 2Battery and charging system: charge level, load test, terminals and alternator performanceThis part details preventive reviews for the battery and charging system. You will learn charge level testing, load testing, terminal care, and alternator output reviews to avoid starting failures and electrical breakdowns.
Open-circuit voltage and charge assessmentBattery load testing and rating choiceTerminal cleaning and rust preventionChecking cable paths and ground pointsAlternator output and ripple testingParasitic drain reviews during diagnosisLesson 3Air filter, fuel filter, cabin filter check and replacement standardsThis part explains check and replacement standards for air, fuel, and cabin filters. You will learn how blockages affect output, assess dirt levels, and follow service timings for various operating conditions in Zambia.
Engine air filter blockage and damage reviewsFuel filter clog signs and serviceCabin filter access, removal, and reviewSelecting right filter types and ratingsService timings for heavy duty useRecording filter changes in service logsLesson 4Drive belts, accessory belt tensioners, pulleys check and replacement signsThis part explains reviews of drive belts, accessory belt tensioners, and pulleys. You will learn to spot wear, noise origins, and failure risks, and decide when preventive replacement is warranted.
Spotting belt cracks, glazing, and frayingMeasuring belt wear with gauge toolsManual and automatic tensioner reviewsPulley alignment, wobble, and noise testsReplacing belts without harming partsAfter-replacement recheck and noise diagnosisLesson 5Ignition system: spark plug check/replacement, ignition coils and lead reviewsHere you will examine preventive reviews for the ignition system, including spark plugs, coils, and leads. You will learn check, testing, and replacement standards to prevent misfires, hard starts, and poor fuel use.
Spark plug removal and condition readingGap measurement and correct torqueCoil primary and secondary testsReviewing leads, boots, and pathsCommon ignition-related driving symptomsSuggested replacement timings and partsLesson 6Tyres, wheel bearings, alignment, and suspension (shocks, springs, bushings) check methodsHere you will examine check 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 in Zambian roads.
Tyre tread depth, wear pattern, and ageChecking tyre pressures and load ratingsWheel bearing play, noise, and seal reviewsVisual review of shocks and strutsSpring, bushing, and joint wear reviewsBasic alignment signs and road testLesson 7Brake system: pads, rotors, calipers, lines, parking brake, ABS sensor reviewsThis part explains systematic brake checks, including pads, rotors, calipers, hydraulic lines, parking brake, and ABS sensors. It emphasises wear limits, test methods, common faults, and safe service practices.
Measuring pad thickness and wear patternsRotor runout, thickness, and surface reviewsCaliper slide, piston, and seal reviewsBrake hose, hard line, and leak reviewsParking brake travel and holding testsABS sensor, wiring, and tone ring reviewsLesson 8Engine oil and oil filter: checking level, dirt, correct spec and change standardsThis part covers engine oil and filter care, including level checks, dirt signs, viscosity and spec confirmation, and change standards based on mileage, time, and operating conditions in Zambia.
Checking oil level, colour, and smellSpotting fuel, coolant, or metal dirtSelecting correct oil grade and specOil filter type, fit, and bypass roleService timings and heavy duty factorsResetting maintenance reminders properlyLesson 9Lighting, wipers, seals, and body rust check listYou will learn to check outside and inside lighting, wiper systems, weather seals, and body rust. The part stresses visibility, water entry prevention, and early rust spotting to maintain safety and value.
Headlamp, brake, and signal lamp testsLens state, aim, and beam pattern reviewsWiper blade, arm, and washer operationDoor, boot, and glass weather seal reviewsUnderbody and wheel arch rust reviewsRust treatment and protection methodsLesson 10Cooling system: coolant level, state, hoses, thermostat, water pump reviewsYou will learn to assess coolant level, mix, and state, and review hoses, thermostat, radiator, and water pump. The part stresses leak detection, overheating prevention, and correct coolant service steps.
Coolant level, mix, and test toolsPressure testing radiator, cap, and hosesThermostat opening tests and failure signsWater pump bearing, seal, and noise reviewsReviewing heater core and bypass hosesFlushing and refilling with correct coolantLesson 11Fluids: transmission/gearbox, brake fluid, power steering/EPAS, differential; sampling and replacement timingsHere you will learn to check, sample, and replace key vehicle fluids, including transmission, brake, power steering or EPAS, and differential oils. Focus is on timings, dirt signs, and correct fluid specs for local use.
Identifying correct maker fluid specsTransmission fluid level, colour, and smell checkBrake fluid moisture testing and flushing stepsPower steering and EPAS fluid reviewsDifferential and final drive oil serviceRecording fluid changes and service history
