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 checksCatalytic converter heat and rattle assessmentsOxygen sensor visual and wiring checksUsing 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 checks for the battery and charging system. You will learn charge level testing, load testing, terminal care, and alternator output checks 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 checks in 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 situations in Zimbabwe.
Engine air filter blockage and damage checksFuel filter clog signs and serviceCabin filter access, removal, and checkSelecting 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 checks of drive belts, accessory belt tensioners, and pulleys. You will learn to identify wear, noise origins, and failure dangers, and decide when preventive replacement is needed.
Spotting belt cracks, glazing, and frayingMeasuring belt wear with gauge toolsManual and automatic tensioner checksPulley alignment, wobble, and noise testsReplacing belts without harming partsAfter-replacement recheck and noise diagnosisLesson 5Ignition system: spark plug check/replacement, ignition coils and lead checksHere you will examine preventive checks for the ignition system, including spark plugs, coils, and leads. You will learn check, testing, and replacement standards to prevent misfires, difficult starts, and poor fuel use.
Spark plug removal and condition readingGap measurement and correct torqueCoil primary and secondary testsChecking leads, boots, and routingCommon ignition-related driving symptomsSuggested replacement timings and partsLesson 6Tyres, wheel bearings, alignment, and suspension (shocks, springs, bushings) check proceduresHere you will examine check procedures 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 problems on Zimbabwean roads.
Tyre tread depth, wear pattern, and ageChecking tyre pressures and load ratingsWheel bearing play, noise, and seal checksVisual check of shocks and strutsSpring, bushing, and joint wear checksBasic alignment signs and road testLesson 7Brake system: pads, rotors, calipers, lines, parking brake, ABS sensor checksThis part explains systematic brake checks, including pads, rotors, calipers, hydraulic lines, parking brake, and ABS sensors. It stresses wear limits, test methods, common faults, and safe service practices.
Measuring pad thickness and wear patternsRotor runout, thickness, and surface checksCaliper slide, piston, and seal checksBrake hose, hard line, and leak checksParking brake travel and holding testsABS sensor, wiring, and tone ring checksLesson 8Engine oil and oil filter: checking level, contamination, right spec and change standardsThis part covers engine oil and filter care, including level checks, contamination signs, viscosity and spec confirmation, and change standards based on mileage, time, and operating conditions in Zimbabwe.
Checking oil level, colour, and smellSpotting fuel, coolant, or metal contaminationSelecting correct oil grade and specOil filter type, fit, and bypass functionService timings and heavy duty factorsResetting maintenance reminders properlyLesson 9Lighting, wipers, seals, and body rust check listYou will learn to check exterior and interior lighting, wiper systems, weather seals, and body rust. The part highlights visibility, water entry prevention, 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, boot, and glass weather seal checksUnderbody and wheel arch rust checksRust treatment and protection methodsLesson 10Cooling system: coolant level, condition, hoses, thermostat, water pump checksYou will learn to assess coolant level, mix, and state, and check 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 checksChecking heater core and bypass hosesFlushing and refilling with right 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, contamination 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 checksDifferential and final drive oil serviceRecording fluid changes and service history
