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Category Topic Area Topic Group Topic
General Reference Standards   Emission Standards  •  ASE/NATEF standards  •  DIN72552 Electric terminal numbers • VIN - Vehicle Identification Number  •  Environmental Protection Agency  •  DARPA  •  ILSAC standards
Vehicle technologies   Hybrid vehicles  •  Electric vehicles  •  Hydrogen cars
Liquid fuels   Alcohol fuel  •  Petrol/Gasoline  •  Diesel  •  
Platforms   Automobile platforms  •  Ford platforms  •  General Motors platforms  •  Volkswagen platforms  •  
Safety & Information Occupational Safety & Health Hazards & emergencies Legislation   •  Basic safety introduction  •  Identifying hazards   •  Evacuating in an emergency  •   Fuel fires  •   Using a fire extinguisher   •  Using an MSDS   •  Removing toxic dust   •  Lifting equipment  •  Moving & road testing vehicles   •  Running engines  •  Used engine oil  •   Vehicle valeting hazards  •   Electrical safety
Personal & property safety Personal protection  •   Basic injury prevention  •   Basic first aid & CPR  •  Property security
Occupational safety & health tasksheets C451  •  C452  •  C455  •  C456  •  C457  •  C458  •  C459  •  C460  •  C461  •  C462  •  C463  •  C465  •  C504  •  C508  •  C509  •  C510  •  C523  •  C533
Vehicle Information Information procedures Locating vehicle information  •   Decoding a VIN  •  Obtaining & interpreting scan tool data  •   Using a repair manual  •  Using a shop manual  •   Using an owner's manual  •   Using a labor guide  •  Using a parts program  •  Using a service information program
Vehicle information tasksheets C002  •  C003  •  C058  •  C059  •  C102  •  C103  •  C166  •  C167  •  C230  •  C231  •  C286  •  C287  •  C338  •  C342  •  C343  •  C387  •  C388  •  C405  •  C408  •  C470  •  C471  •  C472  •  C475  •  C531  •  C540  •  C544  •  C548  •  C549  •  C554  •  C557  •  C565  •  C569
Vehicle Configurations Engine layouts Identifying engines  •  Engine configurations  •   V engines
Body designs Sedan  •  Station wagon  •  Coupe  •  Hatch-back  •  Pick-up/utility  •  Light vehicle vans  •  General goods transport vehicles  •  Buses & coaches  •  Convertible  •  Truck  •  Vehicle closures
Drive configurations Engine & transmission configurations  •  Vehicle axles  •  Location of driving axles  •  Transmissions & final drives  •  4-wheel drive transmission  •  Chassis  •  Transmission components  •  Chassis configurations
Vehicle inspection procedures Carrying out a visual inspection  •  Inspecting under body components  •  Measuring a wheelbase  •  Checking windshield washer liquid  •  Checking & replacing wiper blades  •  Checking a security system  •  Checking door hinges  •  Checking a seat belt  •  Checking interior trim  •  Checking driver's seat fabric  •  Vehicle valet service  •  Routine vehicle checks
Vehicle configurations tasksheets C327  •  C328  •  C329  •  C330  •  C337  •  C473  •  C474  •  C476  •  C481  •  C482  •  C487  •  C488  •  C489  •  C502  •  C505  •  C506  •  C512  •  C515  •  C534  •  C538  •  C566  •  C571
Tools & Equipment Hand & Power Tools Basic tool preparation Safety first  •  Hardening & tempering  •  Carbon-alloy
Tools & equipment fundamentals Lockout/tagout  •  Cleaning tools & equipment  •   Identifying defective equipment  •   Compressed air equipment  •   Rolling road & brake testing equipment  •   Batteries & chargers  •   Vehicle inspection pits  •   Wheel & tire safety
Power tools Drills & drill bits  •  Power grinder  •  Air tools
Using electric power tools Using an angle grinder  •   Using a bench grinder  •   Using pressure washers & cleaners
Using air power tools Using an air drill  •   Using an air impact wrench  •   Using an air blow gun  •   Using an air chisel
Common workshop tools Basic hand tools   •  Hammers   •  Chisels  •   Saws  •   Screw-drivers  •   Vices & clamps  •   Spanners   •  Sockets & accessories  •   Pliers  •   Wrenches  •   Files   •  Torque wrenches
Automotive tools Pipe flaring & cutting  •   Marking tools  •   Gauges  •   Taps & dies  •   Fasteners  •   Pullers
Additional tools Punches  •   Rivetting tools
Using non-powered tools Repairing an external thread  •   Repairing an internal thread  •   Removing a stud  •   Using a screw extractor  •   Using a gear puller
Using measuring tools Using a torque wrench & an angle gauge   •  Using a thread pitch gauge  •   Using a vacuum gauge  •   Using a dial indicator  •   Using a feeler gauge  •   Using a micrometer  •   Using a tire pressure gauge
Hand & power tools tasksheets C466  •  C468  •  C469  •  C532  •  C537  •  C542  •  C572
Workshop Equipment Working with equipment READ the instructions
Diagnostic equipment Engine analyzers  •   Dynamometer  •   Pressure testers  •   Scan tools  •   Multimeters (DVOM)  •   Test light  •   Hydrometer
Lifting equipment Hoists  •   Jacks  •   Stands   •  Engine & component hoists
Using workshop equipment Using a two-post hoist  •   Using a four-post hoist  •   Using an engine hoist  •   Using a floor jack  •   Setting up an oxyacetylene torch  •   Using an oxyacetylene torch
Workshop equipment tasksheets C007  •  C453  •  C454  •  C507  •  C521  •  C522  •  C536  •  C574
Engines Motive Power Types Motive power fundamental principles Pressure & temperature  •  Pressure & volume  •  Temperature & energy  •  Understanding power and torque
4-stroke spark-ignition engines Basic 4-stroke principles  •  4-stroke engine cycle
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 engine & components Basic principles of the rotary engine  •  Basic components of the rotary engine  •  Rotary engine cycle  •  Rotary/piston engine comparison  •  Rotary engine power pulses  •  Renesis rotary engine
Alternative engine cycles Alternative engine cycles
Hybrid drive systems Hybrid vehicles  •  Battery electric vehicles  •  Hybrid electric vehicles  •  Hybrid electric vehicle models  •  Service hybrid electric vehicles - safely!  •  Hybrid vehicle systems  •  Series-parallel hybrid systems  •  Hybrid system components  •  Hybrid vehicle driving
Compression-ignition engines Basic 4-stroke diesel principles  •  4-stroke diesel engine cycle  •  Basic 2-stroke diesel principles  •  2-stroke diesel engine cycle  •  Three phases of combustion
Compression-ignition engine components Basic diesel engine components  •  Diesel engine passages  •  Diesel fuel delivery  •  Direct injection  •  Diesel valves & components  •  Diesel scavenging  •  Crankshaft rotation  •  Diesel crankshaft  •  Diesel engine pistons
Engine characteristics Engine output  •  Power range
Motive power types tasksheets C001  •  C004  •  C006  •  C386  •  C575
Engine Components Cylinder blocks Cylinder block  •  Cylinder block construction  •  Engine blocks & pistons  •  Cylinder sleeves  •  Grey iron
Cylinder heads Cylinder head  •  Cylinder head design  •  Diesel combustion chambers  •  Intake & exhaust passages  •  Gaskets  •  Gaskets and oil seals  •  Head 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  •  Reciprocating action  •  Crankshaft & bearings  •  Valve train overview
Engines procedures Testing cylinder compression  •  Checking idle speed  •  Obtaining & interpreting scan tool data  •  Removing & replacing a cam belt  •  Inspecting & adjusting an engine drive belt  •  Replacing an engine drive belt
Engine components tasksheets C005  •  C008  •  C009  •  C010  •  C028  •  C041  •  C389  •  C390  •  C392  •  C393  •  C394  •  C395  •  C400  •  C447  •  C448  •  C485  •  C514  •  C541  •  C543  •  C570  •  C576  •  C577  •  C586
Engine Rebuilding Introduction to engine rebuilding Engine rebuilding introduction  •  Engine removal preparation & safety
Removing the engine Topside engine disconnection  •  Front accessories disconnection  •  Underside engine disconnection  •  Remove the engine
Engine disassembly Remove centerbolt & flywheel  •  Drain engine fluids  •  Remove front peripherals  •  Remove side & top peripherals  •  Disassemble valve train  •  Remove cylinder heads  •  Remove oil pan & timing set  •  Disassemble block underside  •  Disassemble pistons  •  Remove crankshaft  •  Remove camshaft  •  Remove plugs  •  Remove valve assembly
Engine machining Clean & degrease engine  •  Inspect & measure engine  •  Machine diagnosis  •  Machine cylinder block  •  Machine cylinder heads  •  Machine connecting rods  •  Clean pistons and fit new pins  •  Hone cylinders  •  Install piston rings
Engine pre-assembly Pre-assembly introduction  •  Test install camshaft  •  Test install crankshaft  •  Test install timing set  •  Test install pistons  •  Test install oil pump  •  Piston to valve clearance check  •  Long-block build-up  •  Paint the engine
Engine final assembly Fit engine plugs  •  Install camshaft  •  Install crankshaft  •  Install timing set  •  Fit piston rings  •  Install pistons  •  Install timing cover  •  Install rear main seal  •  Install oil pump & pan  •  Assemble heads  •  Install heads  •  Install valve train  •  Adjust valve lash  •  Install intake manifold  •  Install engine externals  •  Pre-oil engine  •  Install distributor  •  Assemble accessories
Engine re-installing Hoist & reconnect the engine  •  Connect engine peripherals
Engine start-up Pre-start engine check  •  Camshaft break-in  •  Engine timing adjustment
Engine rebuilding tasksheets C011  •  C012  •  C013  •  C014  •  C015  •  C016  •  C017  •  C018  •  C019  •  C020  •  C021  •  C022  •  C023  •  C024  •  C025  •  C026  •  C027  •  C029  •  C030  •  C031  •  C032  •  C033  •  C034  •  C035  •  C036  •  C037  •  C038  •  C039  •  C040  •  C042  •  C043  •  C047
Engine Cooling Cooling fundamentals Cooling systems  •  Heat transfer   •  Vehicle coolant
Cooling systems Air cooling   •  Liquid cooling   •  Rotary engine cooling system
Cooling system components Basic cooling system components  •  Radiator   •  Coolant hoses   •  Water pump  •  Cooling system thermostat  •  Cooling fans  •  Temperature indicators   •  Radiator pressure cap  •  Recovery system  •  Boiling point & pressure  •  Electrolysis  •  Centrifugal force   •  Thermo-switch
Cooling system procedures Checking & adjusting coolant  •  Draining & refilling coolant   •  Checking & replacing a coolant hose  •  Testing cooling system pressure  •  Removing & replacing a radiator  •  Removing & replacing a thermostat  •  Inspecting & adjusting an engine drive belt  •  Replacing an engine drive belt
Engine cooling tasksheets C046  •  C048  •  C049  •  C050  •  C051  •  C052  •  C053  •  C362  •  C363  •  C364  •  C365  •  C366  •  C367  •  C368  •  C369  •  C371  •  C398  •  C399  •  C449  •  C450  •  C478  •  C568  •  C578
Engine Lubrication Oil Functions of oil   •  Viscosity  •  Oil additives  •  Synthetic oils
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  •  Corrosion/noise reduction
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
Lubrication procedures Checking engine oil  •  Draining engine oil  •  Replacing an oil filter  •  Refilling engine oil
Engine lubrication tasksheets C044  •  C045  •  C054  •  C055  •  C056  •  C477  •  C535  •  C573
Fuel Systems Intake & Exhaust Intake & exhaust systems Carbureted systems  •  Electronic fuel injection systems  •  Diesel induction systems  •  Exhaust systems
Intake system components Intake system components  •  Air cleaners  •  Carburetor air cleaners  •  EFI air cleaners  •  Intake manifolds  •  Intake air heating  •  Volumetric efficiency  •  Forced induction
Exhaust system components Exhaust system components  •  Exhaust manifold  •  Exhaust pipe  •  Extractors  •  Mufflers  •  Catalytic converters  •  Flexible connections  •  Ceramic coatings  •  Electronic mufflers  •  Thermal expansion  •  Superchargers  •  Intercoolers  •  Frequency  •  Back-pressure
Intake system procedure Checking & changing an air filter
Intake & exhaust tasksheets C428  •  C429  •  C430  •  C439  •  C486  •  C530
Alternate Fuel Systems Alternate technology Alternate fuel technology  •  A market overview of alternative fuel vehicles  •  Clean fuel technology and energy independence  •  Clean vehicles, fuels and clean air  •  Clean indoor vehicles
Fuel & battery technology Alternative fuels  •  Fuel cells  •  Ethanol and methanol  •  Natural gas  •  Propane  •  Fuel cell vehicles  •  Hydrogen  •  The Race to Hydrogen - Who's Winning?  •  Electric motors  •  Biodiesel
Gasoline Fuel Systems Gasoline fuel system principles Gasoline fuel  •  Gasoline fuel characteristics  •  Controlling fuel burn  •  Stoichiometric ratio  •  Air density  •  Fuel supply system  •  Pressure & vacuum
Carburetor operation Carburation  •  Carburetor operation overview  •  Carburetor systems  •  Metering jets  •  Accelerating  •  Carburetor barrels
Carbureted system components The carburetor  •  Mechanical fuel pumps  •  Electric fuel pumps  •  Tanks & lines  •  Fuel lines  •  Charcoal canister  •  Carburetor filters
EFI fuel supply system - principles EFI principles  •  EFI development  •  Basic EFI principles  •  Air supply  •  Air volume  •  EFI modes of operation  •  Multi-point injection systems  •  Simultaneous injection  •  Efficient combustion
EFI fuel supply system - components Fuel pumps  •  Fuel filters  •  Tanks & lines  •  Fuel lines  •  Fuel rail  •  Fuel pressure regulator  •  Injectors  •  Tachometric relay  •  Thermotime switch  •  EFI sensors  •  Potentiometer  •  Auxiliary air valves  •  Idle speed control devices  •  Inertia sensors
Fuel system procedures Replacing a fuel filter
Gasoline fuel systems tasksheets C418  •  C419  •  C420  •  C421  •  C422  •  C423  •  C424  •  C425  •  C426  •  C427
Diesel Fuel Systems Diesel fuel systems Diesel fuel injection  •  High pressure components  •  Diesel fuel Diesel fuel characteristics  •  Cetane number  •  The quiet diesel evolution  •  Clean diesel technology
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  •  Glow plugs  •  Cummins & Detroit Diesel injection
Diesel electronic control Diesel electronic control systems  •  Common rail diesel injection system  •  HEUI diesel injection system
Diesel fuel systems tasksheets C498  •  C499  •  C500  •  C503  •  C528  •  C529
EFI Engine Management EFI operation Modes of EFI  •  Electronic fuel injection  •  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  •  Hall effect voltage sensor  •  OBD and EOBD
EFI engine management tasksheets C404
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
Emissions procedures Checking & cleaning a PCV valve  •  Obtaining & interpreting scan tool data
Emission control tasksheets C391  •  C396  •  C397  •  C401  •  C402  •  C403  •  C407  •  C431  •  C432  •  C433  •  C434  •  C435  •  C436  •  C437  •  C438  •  C440  •  C441  •  C442  •  C443  •  C444  •  C445  •  C446  •  C520
Steering & Suspension Steering Systems Steering principles Steering systems  •  Principles of steering  •  Rack-and-pinion steering  •  Rack-and-pinion steering system  •  Recirculating ball & nut steering system  •  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 & components Forward control vehicle steering  •  Steering linkages  •  Joints  •  Bushes/bushings
Steering system procedures Checking & adjusting power steering fluid  •  Pressure testing a power steering system  •  Flushing a power steering system  •  Inspecting & adjusting an engine drive belt  •  Servicing a steering system  •  Servicing wheel bearings
Steering systems tasksheets C165  •  C170  •  C171  •  C172  •  C173  •  C174  •  C175  •  C176  •  C177  •  C178  •  C179  •  C180  •  C181  •  C182  •  C183  •  C184  •  C185  •  C186  •  C203  •  C267  •  C268  •  C273  •  C274  •  C275  •  C479  •  C485  •  C550
Suspension Systems Suspension fundamental principles Principles of suspension  •  Suspension force  •  Unsprung weight  •  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
Types of springs Coil springs  •  Leaf springs  •  Torsion bars  •  Rubber springs
Shock absorber types 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
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 layouts Driven rear suspension layouts  •  Non-driven rear suspension layouts  •  Independent rear suspension layouts  •  Front suspension layouts  •  Bushes/bushings  •  Arms & linkages
Suspension system procedures Checking shock absorbers  •  Changing shock absorbers  •  Lubricating a suspension system  •  Servicing a suspension system
Suspension systems tasksheets C187  •  C188  •  C189  •  C190  •  C191  •  C192  •  C193  •  C194  •  C195  •  C196  •  C197  •  C198  •  C199  •  C200  •  C201  •  C202  •  C204
Wheels & Tires Wheel types & sizes Wheels  •  Rim sizes & designations  •  Types of wheels
Tire types & characteristics Tires  •  Radial ply tires  •  Radial ply tire sidewalls  •  Tire pressure monitoring systems  •  Runflat tires  •  Space-saver tires  •  Tire distortion  •  Center of gravity
Tire construction Tire construction  •  Types of tire construction  •  Tire materials  •  Hysteresis  •  Tire sizes & designations  •  Tire information  •  Tire tread designs  •  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
Wheels & tires procedures Using a tire pressure gauge  •  Checking & adjusting tire pressure  •  Checking for tire wear patterns  •  Rotating tires  •  Removing a tire  •  Fitting a tire  •  Dynamic balancing a tire
Wheels & tires tasksheets C205  •  C206  •  C207  •  C208  •  C209  •  C210  •  C211  •  C212  •  C213  •  C214  •  C215  •  C216  •  C217  •  C218  •  C219  •  C220  •  C221  •  C222  •  C223  •  C224  •  C225  •  C226  •  C227  •  C228  •  C552  •  C579  •  C580
Brakes Braking Systems Braking fundamentals Principles of braking  •  Drum & disc brakes  •   Coefficient of friction  •   Lever/mechanical advantage  •   Hydraulic pressure & force  •   Brake fade  •   Regenerative braking
Braking systems Brake type - principles   •  Brake types   •  Air brakes  •   Exhaust brakes   •  Electric brakes   •  Parking brakes  •   Engine brakes
Braking system components Park brake system  •  Brake pedal  •   Brake lines  •   Brake fluid  •   Bleeding   •  Master cylinder  •   Divided systems   •  Tandem master cylinder  •   Power booster or brake unit  •   Hydraulic brake booster  •  Electrohydraulic braking (EHB)  •  Applying brakes   •  Brake force  •   Brake light switch
Drum brakes & components Drum brake system  •  Drum brake operation   •  Brake linings & shoes   •  Backing plate   •  Wheel cylinders
Disc brakes & components Disc brake system  •  Disc brake operation   •  Disc brake rotors  •   Disc brake pads  •   Disc brake calipers   •  Proportioning valves   •  Proportioning valve operation
Antilock braking system & components ABS brake system  •  Antilock braking system operation  •   Principles of ABS braking  •   ABS master cylinder  •   Hydraulic control unit   •  Wheel speed sensors  •   ABS electronic control unit
Brakes procedures Checking & adjusting brake fluid  •   Replacing brake fluid  •   Checking brake pads  •   Replacing brake pads   •  Removing & replacing a rotor   •  Checking wheel cylinders  •   Replacing brake linings   •  Adjusting a park brake cable
Braking systems tasksheets C229  •  C232  •  C233  •  C234  •  C235  •  C236  •  C237  •  C238  •  C239  •  C240  •  C241  •  C242  •  C243  •  C244  •  C245  •  C246  •  C247  •  C248  •  C249  •  C250  •  C251  •  C252  •  C253  •  C254  •  C255  •  C256  •  C257  •  C258  •  C259  •  C260  •  C261  •  C262  •  C263  •  C264  •  C265  •  C266  •  C269  •  C270  •  C276  •  C277  •  C278  •  C279  •  C280  •  C281  •  C282  •  C283  •  C284  •  C480  •  C497  •  C545  •  C555  •  C556  •  C581  •  C583
Transmissions Clutches & Manual Transmissions Clutches Clutch principles  •  Single-plate clutches  •  Multi-plate clutches  •  Dual mass flyweels  •  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
Clutches & manual transmissions procedures Checking gearbox oil  •  Changing manual gearbox oil  •  Checking & adjusting a clutch
Clutches & manual transmissions tasksheets C101  •  C104  •  C105  •  C106  •  C107  •  C108  •  C109  •  C110  •  C111  •  C112  •  C113  •  C114  •  C115  •  C116  •  C117  •  C118  •  C119  •  C120  •  C121  •  C122  •  C123  •  C124  •  C125  •  C126  •  C127  •  C128  •  C130  •  C131  •  C483  •  C484  •  C490
Automatic Transmissions Torque converters Torque converter principles  •  Converter operation  •  Torque multiplication  •  Fluid flow  •  Heat exchanger  •  Lock-up converters  •  Sprag one way clutches  •  Machine torque
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
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
Automatic transmissions procedures Checking automatic transmission fluid  •  Changing transmission fluid & filter
Automatic transmissions tasksheets C057  •  C060  •  C061  •  C062  •  C063  •  C064  •  C065  •  C066  •  C067  •  C068  •  C069  •  C070  •  C071  •  C072  •  C073  •  C074  •  C075  •  C076  •  C077  •  C078  •  C079  •  C080  •  C081  •  C082  •  C083  •  C084  •  C085  •  C086  •  C087  •  C088  •  C089  •  C090  •  C091  •  C092  •  C093  •  C094  •  C095  •  C096  •  C097  •  C098  •  C099  •  C100  •  C516  •  C547
Final Drive & Drive Shafts Basic layouts Front-wheel drive layouts  •  Rear-wheel drive layout  •  Four-wheel drive layout  •  All-wheel drive layout  •  4WD vs AWD  •  Differential
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 drive  •  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
Final drives procedures Checking free play  •  Checking drive shaft joints  •  Checking manual transaxle/differential oil
Final drive & drive shafts tasksheets C129  •  C132  •  C133  •  C134  •  C135  •  C136  •  C137  •  C138  •  C139  •  C140  •  C141  •  C142  •  C143  •  C144  •  C145  •  C146  •  C147  •  C148  •  C149  •  C150  •  C151  •  C152  •  C153  •  C154  •  C155  •  C156  •  C157  •  C158  •  C159  •  C160  •  C161  •  C162  •  C163  •  C164  •  C491  •  C492  •  C501
Electrics & Electronics Electrical Principles Electrical fundamentals Basic electricity  •  Free electrons  •  Basic electronic principles  •  Semi-conductors  •  Semiconductor device  •  Depletion layer  •  Dielectric  •  Resistance  •  Ground  •  Ohm's law calculations  •  Power equation
Sources of electricity Electrostatic energy  •  Thermo-electric energy  •  Electrochemical energy  •  Photo-voltaic energy  •  Piezo-electric energy  •  Electromagnetic induction  •  Electromagnetic components  •  Solar cells
Effects of electricity Heating effects  •  Chemical effects  •  Magnetic effects  •  Electrical conduction  •  Electrical resistance  •  Electromagnetic field
Circuits & measurement Ohm's law  •  Electrical power  •  Watt  •  Electrical measurement  •  Series circuits  •  Parallel circuits  •  Parallel circuit resistance  •  Series-parallel circuits  •  Wire sizing  •  Networking & multiplexing  •  Fiber optics
Wires & connectors procedures Stripping wire insulation  •  Installing a solderless terminal  •  Soldering wires & connectors
Electrical testing procedures Using a non-powered test light  •  Using a lead light  •  Using a DVOM to measure continuity  •  Using a DVOM to measure voltage
Electrical components Capacitors  •  Conductors & insulators  •  Wires  •  Shielding  •  Wire sizes  •  Length vs. resistance  •  Fuses & circuit breakers  •  Relays  •  Lamps  •  Ballast resistor
Electronic components Diodes Types of diodes  •  Lamps  •  Resistors  •  Resistor ratings  •  Variable resistors  •  Thermistors  •  Transistors  •  Avalanche diodes  •  Transient voltage suppression diodes  •  Zener diodes  •  P-n junctions  •  Superconductors  •  Thyristor
Batteries Lead-acid batteries  •  Batteries & cells  •  Battery charging
Battery maintenance procedures Inspecting & testing a battery  •  Cleaning & replacing a battery  •  Charging a battery
Electrical principles tasksheets C285  •  C288  •  C290  •  C291  •  C292  •  C293  •  C294  •  C295  •  C296  •  C297  •  C298  •  C299  •  C300  •  C301  •  C302  •  C303  •  C304  •  C305  •  C306  •  C307  •  C308  •  C323  •  C324  •  C325  •  C326  •  C331  •  C406  •  C517  •  C518  •  C524  •  C526  •  C527  •  C546  •  C551  •  C558  •  C559  •  C560  •  C561  •  C563  •  C567  •  C582  •  C584
Ignition Systems Ignition systems Basic ignition  •  Ignition principles  •  Ignition components  •  Vacuum & centrifugal units  •  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  •  Ignition switches  •  Contact breaker  •  Capacitor/condensor  •  Distributors  •  Distributor types  •  High-tension leads  •  Spark plugs  •  Spark plug components  •  Advance & retard mechanisms
Electronic systems & components Induction  •  Inductive system operation  •  Induction wiring  •  Hall effect sensors  •  Hall effect operation  •  Optical type sensors
Distributorless systems Distributorless ignition systems  •  Insulated coils  •  Distributorless ignition system timing
Ignition procedures Checking ignition timing  •  Checking & changing a spark plug  •  Removing & replacing contact points
Ignition systems tasksheets C410  •  C411  •  C412  •  C413  •  C414  •  C415  •  C416  •  C417
Charging, Starting & Lighting Charging Charging system  •  Alternator principles  •  Alternating current  •  Alternator components  •  Rectification  •  Phase winding connections  •  Rotor circuit  •  Voltage regulation  •  System operating voltage  •  High voltage charging systems
Alternator construction Rotor  •  Stator  •  Alternator end frames  •  Slip ring & brush assembly  •  Rectifier assembly  •  Alternator cooling fan
Charging procedures Checking a charging system  •  Removing & replacing an alternator  •  Inspecting & adjusting an engine drive belt  •  Replacing an engine drive belt
Starting Starting system  •  Starter motor principles  •  Starter motor construction  •  Starter magnet types  •  Starter motor engagement  •  Commutation  •  Switching
Starting procedures Checking a starting system  •  Jump-starting a vehicle
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  •  Networking & multiplexing
Lighting procedures Checking lighting & peripheral systems  •  Checking & changing an exterior light bulb  •  Checking & changing a headlight bulb  •  Aiming headlights
Charging, starting & lighting tasksheets C271  •  C272  •  C289  •  C309  •  C310  •  C311  •  C312  •  C313  •  C314  •  C315  •  C316  •  C317  •  C318  •  C319  •  C320  •  C321  •  C322  •  C485  •  C525  •  C564  •  C587
HVAC Heating & Air-conditioning HVAC basic principles HVAC legislation  •  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  •  Heating elements  •  Heater cores
Climate control Air-conditioning ECU  •  Ambient air temperature sensor  •  Servo motors  •  Electric servo motors  •  Automatic climate control sensors  •  Evaporator temperature sensor  •  Blower speed control  •  Ventilation systems
HVAC procedures Checking an A/C system  •  Checking a heating system  •  Inspecting & adjusting an engine drive belt  •  Replacing an engine drive belt
Heating & air-conditioning tasksheets C341  •  C344  •  C345  •  C346  •  C347  •  C348  •  C349  •  C350  •  C351  •  C352  •  C353  •  C354  •  C355  •  C356  •  C357  •  C358  •  C359  •  C360  •  C361  •  C370  •  C372  •  C373  •  C374  •  C375  •  C376  •  C377  •  C378  •  C379  •  C380  •  C381  •  C382  •  C383  •  C384  •  C385  •  C485  •  C493  •  C494  •  C495  •  C585
Auxiliary Systems SRS Systems Safety systems Airbags  •  Seatbelt  •  Vehicle safety systems  •  Crash sensors  •  Seat belt pre-tensioners  •  Tire pressure monitoring systems
SRS systems tasksheets C168  •  C169  •  C334  •  C335  •  C464  •  C519  •  C553
Peripheral 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 (GPS)  •  Triangulation/trilateration  •  Satellite navigation  •  Telematics
Peripheral systems tasksheets C332  •  C333  •  C336  •  C339  •  C340  •  C409  •  C562
Associated Studies Supporting Science Information & tools Gross vehicle mass  •  Hardening & tempering  •  Carbon-alloy  •  Bitumen  •  Bosch  •  Force  •  Inclined plane  •  Vacuum
Units of measure Multiples and decimals for the SI system  •  Length  •  Mass  •  Time  •  Velocity  •  Volume  •  Area  •  Electrical units  •  Pressure  •  Energy  •  Temperature  •  Torque  •  Power
Electrics Absolute zero  •  Atoms  •  Electrical charge  •  Electrically conductive  •  Electric current  •  Electrolyte  •  Electromotive force  •  Electrons  •  Fermi energy  •  Neutrons  •  Nucleus  •  Protons
Electronics Solid state physics  •  Subatomic particles  •  N-type doping  •  P-type doping  •  Valence band  •  Electronics  •  Faraday's law  •  PZT  •  Stepper motor  •  Tolerances  •  Transformer  •  
Chassis Asbestos  •  Electronic stability program  •  Fluid friction  •  Handbrake turns  •  Rolling friction  •  Sliding friction  •  Traction control  •  Helix  •  Unsprung weight  •  Dampening  •  Coefficient of friction  •  Lever/mechanical advantage  •  Hydraulic pressure & force  •  Bleeding
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
Engines Engine displacement  •  Electrolysis
Fuel systems Bernoulli's principle  •  Carbon monoxide  •  Oxygen  •  Venturi  •  Volumetric efficiency  •  Thermal expansion  •  Frequency  •  Back-pressure  •  Stoichiometric ratio  •  Pressure & vacuum  •  Air density  •  Tachometric relay  •  Potentiometer  •  Closed loop
Supporting science tasksheets C467  •  C496  •  C511  •  C539
Communication   A day with Henry
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  •  Job sheet  •  Inspection report  •  Equipment defect report  •  Accident report
Researching How to go about it  •  Where to look  •  Another day with Henry
Communication tasksheets C513  •  C540  •  C549  •  C554  •  C557  •  C565  •  C569
Info & Help Information & Help   About CDX Global  •  Contacts  •  Know-See-Do-Prove  •  Navigation help