1								2			3
4						5												6
												7
				8																		9
															10
				11
	12															13
								14
	15																			16
			17
														18
								19										20
						21
					22
													23
		24

Across 2. A shaft having one or more cams attached to it, esp one used to operate the valves of an internal-combustion engine 4. A shaft for imparting torque from a power source or prime mover to machinery 7. A light or lamp, usually equipped with a reflector 8. Pedal in a motor vehicle which is pressed to increase speed 10. A chamber having several outlets through which a liquid or gas is distributed or gathered 11. A shaft having one or more cranks, usually formed as integral parts. 14. Bar on the front or back of a vehicle to protect against damage 15. An epicyclic train of gears designed to permit two or more shafts to rotate at different speeds, as a set of gears in an automobile permitting the rear wheels to be driven at different speeds when the car is turning. 16. A ring or band of rubber, either solid or hollow and inflated, or of metal, placed over the rim of a wheel to provide traction, resistance to wear, or other desirable properties 17. The shaft that connects the steering wheel to the steering gear assembly of an automotive vehicle 19. A brake operated by a hand lever 22. A compressible packing piece of paper, rubber, asbestos, etc, sandwiched between the faces or flanges of a joint to provide a seal 23. The metal casing within which a train of gears is sealed 24. The arrangement of springs, shock absorbers, hangers, etc., in an automobile, railway car, etc., connecting the wheel-suspension units or axles to the chassis frame

Down 1. An act or instance of emitting: the emission of poisonous fumes 3. An instrument on an automobile or other vehicle for indicating the rate of travel in miles or kilometers per hour 5. A device for damping sudden and rapid motion, as the recoil of a spring-mounted object from shock 6. The devices used to ignite the fuel in an internal-combustion engine 9. A device constructed from thin-walled tubes and metal fins, used for cooling circulating water 12. A shield of glass, in one or more sections, projecting above and across the dashboard of an automobile 13. An instrument measuring revolutions per minute, as of an engine 17. A device designed to fit in each cylinder of a gasoline-powered internal-combustion engine and to produce the electric spark for igniting the mixture of gasoline and air 18. A belt, driven by the crankshaft of an engine, that turns a fan for drawing cooling air through the radiator 20. A disc or cylindrical part that slides to and fro in a hollow cylinder. In an internal-combustion engine it is forced to move by the expanding gases in the cylinder head and is attached by a pivoted connecting rod to a crankshaft or flywheel, thus converting reciprocating motion into rotation 21. Device for slowing or stopping a vehicle