| Underseal | | Temperature controlled valve for cooling system |
| Fade | | Supplies power |
| Actuator | | Brake shoes have frictional contact with this |
| Idle | | Hinged cover for the engine |
| Port | | Rotating member of a centrifugal pump |
| Sprocket | | Instrument for measuring specific gravity |
| ECU | | Wheel with teeth |
| Viscosity | | Return path for electrical current |
| Brakes | | Series of electrical connections forming a complete path |
| Coil | | Instrument for measuring thickness |
| Sensor | | Bolt fits to this |
| Micrometer | | Top of the piston |
| Diesel | | Unitary body frame |
| Toughened | | Large slip angles at the rear can cause this |
| Strokes | | The angle of the wheel as compared to vertical |
| ABS | | Type of glass for side screens |
| Poppet | | Type of glass for windscreens |
| Earth | | Swivel axis inclination |
| Petrol | | Part of tyre that is in contact with the road |
| BDC | | Bottom dead centre |
| Crumple | | Dashboard instrument |
| Tread | | Type of inlet or exhaust valve |
| Bolt | | Nut fits to this |
| Voltage | | Anti-lock braking system |
| Speedometer | | Opening to allow gases to go through |
| Bead | | Part of tyre that seals to the wheel rim |
| TDC | | Help slow the vehicle down |
| Hygroscopic | | Type of differential where pinion is set low |
| Battery | | Smoothly engages and disengages drive |
| Power | | Receives message from ECU and carries out function |
| Engine | | Accumulator, stores electricity |
| Wrench | | Pin that secures piston to the connecting rod |
| Cylinder | | Fuel |
| Distributor | | Electronic control unit |
| Laminated | | To readily accept moisture from the atmosphere |
| Gudgeon | | Pistons move in these |
| Unitary | | Brake pads fit in this |
| Bonnet | | Thickness of oil or resistance to flow |
| Lamp | | Rate at which energy is converted into work |
| Castor | | Lubricates and cools |
| Integral | | Engine component that converts linear motion to cicular |
| Circuit | | Zone that is allowed to concertina in an accident |
| Thermostat | | Integral body frame |
| Hydrometer | | Sends HT current to the desired spark plug |
| Crown | | Over-head camshaft |
| Nut | | Electromotive force |
| OHC | | Mechanical force that causes rotation |
| KPI | | Top dead centre |
| Clutch | | Seven hundred and twenty degrees gives four of these |
| Torque | | Illuminates |
| Drum | | Tar type of paint put on car underbodies |
| Caliper | | This can happen to brake fluid if it gets hot |
| Oil | | Converts low tension electricity to high tension |
| Camber | | Steering angle that gives self centring |
| Impellor | | Sends signal to the ECU |
| Crankshaft | | Type of transverse link for the suspension |
| Vaporisation | | Type of spanner |
| Wishbone | | Tick over speed |
| Oversteer | | Fuel |
| Hypoid | | Brakes can do this when they get hot |