GS Online Course Map

1. Occupational Health & Safety Basic safety Introduction Hazards Using an MSDS Identifying hazards Running engines Used engine oil Electrical safety Batteries & chargers Vehicle inspection pits Vehicle valeting hazards Removing toxic dust Emergencies Evacuating in an emergency Fuel fires Using fire extinguishers Personal safety Personal protection Basic injury prevention Basic first aid & CPR Property & workplace security Property security Moving & road testing vehicles Tools & equipment safety Lifting equipment Compressed air equipment Rolling road & brake testing equipment Wheel & tire safety Using pressure washers & cleaners Identifying defective equipment Cleaning tools & equipment 2. Tools & Equipment Oxyacetylene equipment Setting up an oxyacetylene torch Using an oxyacetylene torch Air power equipment Air tool fundamentals Using an air drill Using an air impact wrench Using an air chisel Using an air blow gun Electrical power equipment Electric drills Using an angle grinder Using a bench grinder Using a lead light Lifting equipment Using a floor jack Using a two-post hoist Using a four-post hoist Using an engine hoist General tools Basic hand tools Torque wrenches Using a torque wrench & an angle gauge Using a gear puller Using a screw extractor Using a vacuum gauge Thread repairing tools Repairing an internal thread Repairing an external thread Removing a stud Measuring tools Using a micrometer Using a dial indicator Using a feeler gauge Using a tire pressure gauge Using a thread pitch gauge 3. Information & Peripherals Looking for information Vehicle information Decoding a VIN Locating vehicle information Using reference manuals Using an owner's manual Using a shop manual Using a repair manual Using a labor guide Using a computer-based service system Using a service information program Using a parts program Vehicle configurations Vehicle body configurations Engine & transmission configurations Chassis configurations Vehicle closures Basic inspection Carrying out a visual inspection Inspecting under body components Measuring a wheelbase Peripheral service Routine vehicle checks Checking door hinges Checking interior trim Checking a seat belt Checking driver's seat fabric Checking windshield washer liquid Checking & replacing wiper blades Checking a security system Vehicle valet service Pt 1: Washing a vehicle Pt 2: Polishing a vehicle Pt 3: Detailing a vehicle On-board diagnostics OBD systems Diagnostic trouble codes Monitoring emissions Obtaining & interpreting scan tool data 4. Engine & Components Engine fundamentals Identifying engines Basic 4-stroke principles 4-stroke engine cycle Basic 4-stroke diesel principles Basic diesel engine components 2-stroke engine cycle Basic principles of the rotary engine Engine components Engine blocks & pistons Crankshaft & bearings Flywheel Valve train overview Valve trains Valves Valve seats Pistons Piston rings Camshaft fundamentals Overhead camshaft Camshafts & drives Cam lobe Timing belts & chains Engine lubrication Lubrication fundamentals Lubrication systems Corrosion/noise reduction 2-stroke engine premix fuel systems 2-stroke engine oil injection systems Coefficient of friction Functions of oil Pressure systems Viscosity Oil additives Lubrication components Oil pumps Oil indicators Sumps Oil filters Engine service Checking engine oil Draining engine oil Refilling engine oil Replacing an oil filter Removing & replacing a cam belt Testing cylinder compression 5. Cooling Systems Cooling system fundamentals Cooling principles Liquid cooling Air cooling Cooling system components Basic cooling system components Coolant Coolant hoses Radiators Radiator pressure cap Cooling fans Water pump Temperature indicators Thermostat Recovery system Cooling system service Checking & adjusting coolant Draining & refilling coolant Checking & replacing a coolant hose Testing cooling system pressure Removing & replacing a radiator Removing & replacing a thermostat 6. Fuel Systems Fuel system fundamentals Intake systems Basic exhaust systems Gasoline fuel Diesel fuel Combustion Forced induction Volumetric efficiency Carbureted fuel systems EFI principles EFI systems Cleaners & filters Air cleaners Carburetor air cleaners EFI air cleaners Fuel filters Carburetor filters Fuel system components Intake system components Exhaust system components Tanks & lines Fuel lines Mechanical fuel pumps Electric fuel pumps EFI sensors & controls Tachometric relay Emissions Sources of emissions Carbon monoxide Carbon dioxide Hydrocarbons Hydrocarbons in exhaust gases Oxides of nitrogen Particulates Evaporation emission control Crankcase emission control Catalytic converter operation Fuel system service Checking & changing an air filter Replacing a fuel filter Checking idle speed Checking & cleaning a PCV valve 7. Steering Systems Steering system fundamentals Steering systems Principles of steering Four-wheel steering Power steering Rack-and-pinion steering Rack-and-pinion gearbox Flow-control valve Steering system types & components Rack-and-pinion steering system Recirculating ball & nut steering system Arms & linkages Steering linkages Bushes/bushings Joints Steering system service Servicing a steering system Checking & adjusting power steering fluid Pressure testing a power steering system Flushing a power steering system Servicing wheel bearings 8. Suspension Systems Suspension system fundamentals Suspension systems Principles of suspension Wheel unit location Rear independent suspension Dead axle Coil springs Rubber springs Hydraulic shock absorbers Front suspension types & components Strut suspension Short/long arm suspension Torsion bar suspension Rear suspension types & components Rigid axle leaf spring suspension Rigid axle coil spring suspension Independent type suspension Rigid non-drive suspension Suspension system service Servicing a suspension system Lubricating a suspension system Checking shock absorbers Changing shock absorbers 9. Wheels & Tires Wheel & tire fundamentals Tires Radial ply tires Radial ply tire sidewalls Tire information Tire materials Tire sizes & designations Wheel alignment fundamentals Basic principles of wheel alignment Caster Camber Scrub radius Steering axis inclination Toe-in & toe-out Toe-out on turns Turning radius Wheel & tire service Checking & adjusting tire pressure Checking for tire wear patterns Rotating tires Removing a tire Fitting a tire Dynamic balancing a tire 10. Braking Systems Braking fundamentals Principles of braking Brake types Disc brake operation Proportioning valve operation Park brakes Antilock braking system operation Principles of ABS braking Braking system types Disc brake system Drum brake system ABS brake system Park brake system Braking system components Brake fluid Brake pedal Power booster Brake light switch Brake fluid service Checking & adjusting brake fluid Replacing brake fluid Disc brake components & service Disc brake components Disc brake service Drum brake components & service Drum brake components Drum brake service Park brake service Adjusting a park brake cable 11. Transmission Systems Clutch system fundamentals Clutch principles Operating mechanisms Single-plate clutches Multi-plate clutches Clutch system service Checking & adjusting a clutch Transmission fundamentals Transmission principles Transmission components Gearbox layouts Transaxle design Torque converter principles Planetary gears Simple planetary gearsets Compound planetary gearsets Manual gearbox service Checking gearbox oil Changing gearbox oil Automatic transmission service Checking transmission fluid Changing transmission fluid & filter Final drive fundamentals Front-wheel drive layouts Front-wheel drive shafts Rear-wheel drive layout Rear-wheel drive shafts Universal joints Rear-wheel final drives Four-wheel drive layout Final drive service Checking free play Checking drive shaft joints Checking gearbox/differential oil 12. Electrical Systems Electrical & electronic fundamentals 1 Basic electricity Basic electronic principles Free electrons Ohm's law Ohm's law calculations Electrical power Power equation Sources of electricity Electrostatic energy Thermo-electric energy Electrochemical energy Photo-voltaic energy Piezo-electric energy Electromagnetic induction Electromagnetic components Effects of electricity Heating effects Chemical effects Magnetic effects Measuring electricity Electrical measurement Using a DVOM to measure voltage Using a DVOM to measure continuity Using a non-powered test light DVOM simulation Voltage experiments Current experiments Resistance experiments Circuits Circuit diagrams Series circuits Parallel circuits Parallel circuit resistance Series-parallel circuits Series circuit experiments Series circuit exp. 1 Series circuit exp. 2 Series circuit exp. 3 Series circuit exp. 4 Series circuit exp. 5 Series circuit exp. 6 Parallel circuit experiments Parallel circuit exp. 1 Parallel circuit exp. 2 Parallel circuit exp. 3 Parallel circuit exp. 4 Parallel circuit exp. 5 Series-parallel experiments Series-parallel circuit exp. 1 Electrical & electronic components Starter motor principles Alternator principles Semi- conductors Relays Resistors Resistor ratings Variable resistors Variable resistors exp 1 Variable resistors exp 2 Thermistors Capacitors Capacitors experiment Electrical component service Checking a starting system Checking a charging system Removing & replacing an alternator Wires & wire repair Conductors & insulators Wires Shielding Wire sizes Length vs. resistance Wire repair Stripping wire insulation Installing a solderless terminal Soldering wires & connectors Lighting & peripheral systems Lighting system components Lamps Light bulbs Headlights Headlight & dip circuits Park & tail light circuits Reverse lights Indicators Stop lights Bulb information Fuses & circuit breakers Lighting service Checking lighting & peripheral systems Checking & changing a headlight bulb Aiming headlights Checking & changing an exterior light bulb Ignition systems Ignition system fundamentals Basic ignition Ignition principles Vacuum & centrifugal units Spark timing Advance & retard mechanisms Distributorless ignition systems Ignition system components Ignition components Ignition switches Distributors Distributor types High-tension leads Spark plugs Insulated coils Contact breaker system The capacitor Ignition system service Checking ignition timing Removing & replacing contact points Checking & changing a spark plug Battery maintenance & service Battery maintenance fundamentals Batteries Batteries & cells Battery charging Battery service Inspecting & testing a battery Cleaning & replacing a battery Charging a battery Jump-starting a vehicle 13. HVAC Systems HVAC legislation Refrigerants HVAC system fundamentals Basic air-conditioning principles Air-conditioning capacity Vehicle heating & ventilation systems Air-conditioning ECU Lines & hoses Heating elements Ventilation systems HVAC system service Checking an A/C system Checking a heating system Inspecting & adjusting an engine drive belt Replacing an engine drive belt 14. Communication A day with Henry Communication skills Active listening I am listening I am with you Art of speaking You know what I mean? May I ask a question? On the phone People skills The other half Good team player How may I help you? Effective reading Practice makes perfect Writing at work Yours sincerely Paperwork Researching How to go about it Where to look Another day with Henry

ARK Cource Map

Information & Tools 1  Vehicle Configurations Engine layouts Engine configurations Drive configurations Engine & transmission configurations Vehicle axles Location of driving axles Transmissions & final drives 4-wheel drive transmission Body designs Sedan Station wagon Coupe Hatch-back Pick-up/utility Light vehicle vans General goods transport vehicles Buses & coaches Gross vehicle mass 2  Hand & Power Tools Basic tool preparation Hardening & tempering Carbon-alloy Power tools Air tools Power grinder Drills & drill bits Common workshop tools Wrenches Chisels Hammers Saws Screw-drivers Spanners Sockets & accessories Files Pliers Vices & clamps Automotive tools Gauges Marking tools Pipe flaring & cutting Fasteners Pullers Taps & dies Additional tools Punches Riveting tools   Engines 3  Motive Power Types Fundamental principles Pressure & temperature Pressure & volume Temperature & energy 4-stroke spark-ignition engines Basic 4-stroke principles 4-stroke engine cycle Alternative engine cycles 2-stroke spark-ignition engines Basic 2-stroke principles 2-stroke engine power stroke 2-stroke engine cycle 2-stroke intake system 2-stroke cycle Spark-ignition engine components Basic engine components 4 & 2-stroke engine differences Engine cams & camshaft Engine power transfer 2-stroke power transfer Scavenging Counter weights Piston components Alloys Rotary spark-ignition engines & components Basic principles of the rotary engine Basic components of the rotary engine Rotary engine cycle Rotary/piston engine comparison Rotary engine power pulses Hybrid drive systems Hybrid vehicles Hybrid vehicle systems Series-parallel hybrid systems Hybrid system components Hybrid vehicle driving Compression-ignition engines Basic 4-stroke diesel principles Basic 2-stroke diesel principles 4-stroke diesel engine cycle 2-stroke diesel engine cycle Compression-ignition engine components Basic diesel engine components Diesel engine passages Diesel scavenging Diesel fuel delivery Direct injection Diesel valves & components Crankshaft rotation Diesel crankshaft Diesel engine pistons Engine characteristics Engine output Power range 4  Engine Components Cylinder blocks Cylinder block Cylinder block construction Cylinder sleeves Grey iron Cylinder heads Cylinder head Cylinder head design Diesel combustion chambers Intake & exhaust passages Gaskets Turbulence Valves & valve trains Valves Valve seats Valve seats in cylinder heads Valve rotation Valve stem oil seals Intake valves Valve trains Valve-timing diagram Variable valve timing Camshafts & drives Camshafts & drives Overhead camshaft Cam lobes Timing belts & chains Timing belts & tensioners Pistons Pistons Piston rings Connecting rod Compression ratio Crankshaft assemblies Crankshaft Engine bearings Flywheel 5  Engine Cooling Cooling fundamentals Cooling systems Heat transfer Vehicle coolant Cooling systems Air cooling Liquid cooling Rotary engine cooling system Cooling system components Radiator Electrolysis Coolant hoses Water pump Centrifugal force Cooling system thermostat Cooling fans Thermo-switch Temperature indicators Radiator pressure cap Boiling point & pressure Recovery system 6  Engine Lubrication Oil Functions of oil Viscosity Oil additives Lubrication systems The lubrication system Splash system Pressure system 2-stroke engine premix fuel systems 2-stroke engine oil injection systems Rotary engine lubrication system Lubrication system components Sump Oil collection pan Oil tank Pickup tube Oil pump Oil pressure relief valve Oil filters Spurt holes & galleries Oil indicators Oil cooler Fuel Systems 7  Intake & Exhaust Intake & exhaust systems Carbureted systems Electronic fuel injection systems Diesel induction systems Exhaust systems Intake system components Air cleaners Carburetor air cleaners EFI air cleaners Intake manifolds Intake air heating Forced induction Volumetric efficiency Exhaust system components Exhaust manifold Extractors Catalytic converters Flexible connections Thermal expansion Exhaust pipe Mufflers Superchargers Intercoolers Frequency Back-pressure 8  Gasoline Fuel Systems Fundamental principles Carburetion Electronic fuel injection Stoichiometric ratio Pressure & vacuum Air density Gasoline fuel Gasoline fuel characteristics Controlling fuel burn Alternative fuels Carburetor operation The carburetor Carburetor systems Metering jets Accelerating Carburetor barrels Carbureted system components Mechanical fuel pumps Electric fuel pumps Tanks & lines Fuel lines Charcoal canister Carburetor filters EFI operation Basic EFI principles Air supply Air volume Fuel supply system Multi-point injection systems Simultaneous injection Efficient combustion EFI system components Fuel pumps Tachometric relay Fuel filters Fuel rail Fuel pressure regulator Auxiliary air valves Idle speed control devices Injectors Thermotime switch Potentiometer 9  EFI Engine Management EFI operation Modes of EFI Idle speed control systems Feedback & looping Cold start systems Air measurement Air-flow monitoring Variable intake manifold system Electrical functions EFI wiring diagram Electronic control unit - ECU EFI system ECU Electronic control unit settings Engine speed limiting Malfunction indicator lamp EFI sensors Mass airflow sensor Manifold absolute pressure sensor Air vortex sensor Fuel system sensor Temperature sensor Throttle position sensor Exhaust gas oxygen sensor Crank angle sensor NEW Hall effect voltage sensor 10  Diesel Fuel Systems Diesel fuel systems Diesel fuel injection High pressure components Diesel fuel Diesel fuel characteristics Diesel electronic control Diesel electronic control systems Common rail diesel injection systems HEUI diesel injection system Diesel fuel system components Diesel tanks & lines Diesel fuel filters Lift pump Plunger pump Priming pump Inline injection pump Mechanical or pneumatic governors Distributor-type injection pump Diesel injectors Cummins & Detroit Diesel injection 11  Emission Control Creation of emissions Sources of emission Combustion Combustion chamber design Types of emissions Hydrocarbons Hydrocarbons in exhaust gases Oxides of nitrogen Particulates Carbon monoxide Carbon dioxide Sulfur content in fuels Emission control Evaporation emission control Catalytic conversion Closed loop Regulated emissions Crankcase emission control EGR valves Controlling air-fuel ratios Charcoal storage devices On-board diagnostics OBD systems Diagnostic trouble codes Monitoring emissions Chassis  12  Steering Systems Steering principles Steering systems Principles of steering Rack-and-pinion steering Four-wheel steering systems Steering boxes & columns Steering columns Rack-and-pinion gearbox Helix Variable ratio steering Worm gearbox Power steering Steering process Flow-control valve Electric power assisted steering Basic electric power steering operation Steering arms & linkages Arms & linkages Steering linkages Forward control vehicle steering Bushes/bushings Joints 13  Suspension Systems Fundamental principles Principles of suspension Unsprung weight Suspension force Wheel unit location Dampening Types of suspension Suspension systems Solid axle Dead axle Independent suspension Rear independent suspension Rear-wheel drive independent suspension Adaptive air suspension Adaptive air suspension operation Suspension system layouts Driven rear suspension layouts Non-driven rear suspension layouts Independent rear suspension layouts Front suspension layouts Suspension system components Coil springs Leaf springs Torsion bars Rubber springs Hydraulic shock absorbers Gas-pressurised shock absorbers Load-adjustable shock absorbers Manual adjustable-rate shock absorbers Electronic adjustable-rate shock absorbers Automatic load-adjustable shock absorbers 14  Wheels & Tires Wheel types & sizes Wheels Rim sizes & designations Types of wheels Tire types & characteristics Tires Radial ply tires Radial ply tire sidewalls Runflat tires Space-saver tires Tire distortion Center of gravity Tire construction Tire construction Types of tire construction Tire materials Tire sizes & designations Tire tread designs Tire information Tire ratings for temperature & traction Wheel alignment fundamentals Basic principles of wheel alignment Caster Camber Scrub radius Steering axis inclination Toe-in & toe-out Toe-out on turns Turning radius Thrust angle & centerlines 15  Braking Systems Braking fundamentals Principles of braking Coefficient of friction Lever/mechanical advantage Hydraulic pressure & force Braking systems Drum & disc brakes Parking brakes Air brakes Exhaust brakes Electric brakes Braking system components Brake pedal Brake lines Brake fluid Bleeding Divided systems Master cylinder Tandem master cylinder Power booster or brake unit Applying brakes Brake force Drum brakes & components Drum brake operation Brake linings & shoes Backing plate Wheel cylinders Disc brakes & components Disc brake operation Disc brake rotors Disc brake pads Disc brake calipers Proportioning valves Proportioning valve operation Antilock braking system & components Antilock braking system operation Principles of ABS braking ABS master cylinder Hydraulic control unit Wheel speed sensors ABS electronic control unit Transmissions 16  Clutches & Manual Transmissions Clutches Clutch principles Single-plate clutches Multi-plate clutches Dual mass flywheels Operating mechanisms Clutch components Pressure plate Driven center-plate Throw-out bearing Manual transmissions Gear ratios Compound gear trains Gear selection Bearings Oil seals & gaskets Gearbox layout & operation Gearbox layouts Transaxle designs Gearbox operation Baulk-ring synchromesh unit Transaxle synchromesh unit 17  Automatic Transmissions Torque converters Torque converter principles Converter operation Torque multiplication Fluid flow Heat exchanger Lock-up converters Sprag one way clutches Planetary gearing Planetary gears Simple planetary gearsets Compound planetary gearsets Automatic transmission brake bands Multi-disc clutches Plate clearance Electronic control transmission Electronic control Fully hydraulically controlled transmission Electronic shift programs Environment identification Driving situation identification Fast-off identification Corner identification Downhill gradient Stop & go Manual selection BW35 automatic transmission Layout & operation Borg Warner 35 gearbox Selector positions Planetary gearset High range powerflow Low range powerflow Servos & clutches Rear servo Front servo One way clutch Multi-plate front clutch Clutch pack Rear clutch Hydraulic system & controls Hydraulic system components Spool valves Regulating or flow control valves Control valves Orifices Valve types & functions Basic valve action Regulator & control valves Shift & governor valves Pressure regulation The primary regulating valve Line pressure variation Modulator valve pressure The governor Governor pressure Kickdown pressure Flow control Gear position 1 1-2 shift valve 2-3 shift valve assembly The servo orifice control valve 3-2 kickdown Continuously variable transmission (C.V.T.) Continuously variable transmission Drive or reverse The steel belt Secondary pulley shaft 18  Final Drive & Drive Shafts Basic layouts Front-wheel drive layout Rear-wheel drive layout Four-wheel drive layout All-wheel drive layout Front-wheel drive Front-wheel drive shafts Front-wheel final drives Front-wheel differentials Rear-wheel drive Rear-wheel drive shafts Universal joints Rear-wheel final drives Salisbury axles Rear-wheel drive differentials Limited slip differentials Four-wheel drive (part-time) Four-wheel drive shafts Four-wheel final drive Four-wheel drive transfer case Free wheeling hubs Four-wheel drive differentials All-wheel drive Full-time four-wheel final drives All-wheel drive transfer case Transfer case differential action Electrics & Electronics 19  Electrical Principles Electrical fundamentals Basic electricity Free electrons Basic electronic principles Semi-conductors Ground Sources of electricity Electrostatic energy Thermo-electric energy Electrochemical energy Photo-voltaic energy Piezo-electric energy Electromagnetic induction Effects of electricity Heating effects Chemical effects Magnetic effects Batteries Lead acid batteries Batteries & cells Battery charging Circuits & measurement Ohm's law Electrical power Electrical measurement Series circuits Parallel circuits Parallel circuit resistance Series-parallel circuits Wire sizing Networking & multiplexing Fiber optics Basic electronic components Capacitors Conductors & insulators Diodes Fuses & circuit breakers Lamps Relays Resistors Thermistors Transistors 20  Ignition Systems Ignition systems Basic ignition Ignition principles Plug firing voltage Faraday's law Contact breaker ignition Contact breaker system Primary & secondary windings The ballast resistor coil Dwell angle Spark timing Contact breaker components Battery power source Ballast resistor Ignition coil Contact breaker Capacitor/condensor Distributors High-tension leads Spark plugs Advance & retard mechanisms Electronic systems & components Induction Induction wiring Inductive system operation Hall effect sensors Hall effect operation Optical type sensors Distributorless systems Distributorless ignition systems Distributorless ignition system timing Insulated coils 21  Charging, Starting & Lighting Charging Charging system Alternator principles Alternating current Alternator components Rectification Phase winding connections Rotor circuit Voltage regulation System operating voltage Alternator construction Rotor Stator Alternator end frames Slip ring & brush assembly Rectifier assembly Alternator cooling fan High voltage systems  High voltage charging systems Starting Starting system Starter motor principles Starter motor construction Starter magnet types Starter motor engagement Commutation Switching Lighting Lighting system Light bulbs Bulb information LED lighting  Types of lights Stop lights Reverse lights Indicators Headlights High intensity discharge (HID) lights Driving lights Fog lights Cornering lights Smart lighting Lighting circuits Park & tail light circuits Headlight & dip circuits Circuit diagrams Auxillary Systems 22  Heating & Air-conditioning Basic principles Vehicle heating & ventilation systems Basic air-conditioning principles Air-conditioning capacity Air-conditioning refrigerant Humidity Fixed orifice tube air-conditioning system Fixed orifice Control devices Thermal expansion valve air-conditioning system Thermostatic expansion valve system Thermal expansion valves Air-conditioning components Air-conditioning compressors Condensers & evaporators Receiver drier Lines & hoses TX valve construction Temperature monitoring thermostat Refrigerants Pressure switches Climate control Air-conditioning ECU Ambient air temperature sensor Servo motors Electric servo motors Automatic climate control sensors Evaporator temperature sensor Blower speed control 23  Safety & Peripheral Systems Safety systems Vehicle safety systems Air bags Crash sensors Seatbelt pre-tensioners Tire pressure monitoring systems Security systems Security systems Remote control keys Theft deterrent systems Entertainment & peripheral systems Integrated communications Body controlled lighting systems Proximity sensors Reflective displays Satellite assisted systems Global positioning satellites Triangulation/ trilateration Satellite navigation Telematics Associated Studies 24  Supporting Science Information & tools Gross vehicle mass Hardening & tempering Carbon-alloy Engines Engine cycles Pressure & temperature Pressure & volume Temperature & energy Alloys Engine output Power range Engine components Grey iron Turbulence Valve-timing diagram Compression ratio Engine cooling Electrolysis Centrifugal force Thermo-switch Boiling point & pressure Fuel systems Volumetric efficiency Thermal expansion Frequency Back-pressure Stoichiometric ratio Pressure & vacuum Air density Tachometric relay Potentiometer Closed loop Chassis Helix Unsprung weight Dampening Coefficient of friction Lever/mechanical advantage Hydraulic pressure & force Bleeding Electrics & electronics Ground Faraday's law