Automotive quiz

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Across
  1. 2. Delivers an electric spark to ignite the air-fuel mixture
  2. 5. Transfers heat from engine coolant to the outside air
  3. 6. Controls spring bouncing in the suspension system
  4. 8. Reduces harmful gases from engine exhaust
  5. 10. A cylindrical part that moves up and down inside the engine block
Down
  1. 1. A shaft with lobes that controls the opening and closing of engine valves
  2. 3. Generates electricity to charge the battery
  3. 4. Allows drive wheels to rotate at different speeds when turning
  4. 7. Disconnects engine power from a manual transmission
  5. 9. Holds brake pads and clamps them against the disc rotor