Auto Repair & Maintenance Glossary: S
shock absorbers: Devices located near each wheel to cut down the vertical bouncing of the passenger compartment on the springs after the wheels go over a bump or the vehicle stops short.
spark plug: A device that delivers an electrical spark to an engine's combustion chamber, igniting the fuel/air mixture that produces the power that drives the engine.
spark plug gap: The space between the center and side spark plug electrodes, across which the spark must jump to ignite the fuel/air mixture in the engine's combustion chamber.
starter: A small electrical motor that causes the engine crankshaft to begin to turn, which starts the engine running and so starts the car.
starter solenoid: A device that uses electrical current to start and engage the starter.