Automotive Systems
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Automotive Systems

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Questions and Answers

What is the primary function of the crankshaft in an engine?

  • To house the spark plugs
  • To operate the valves
  • To generate power for the transmission
  • To convert up-and-down motion into rotary motion (correct)
  • What is the purpose of the transmission control module (TCM) in an automatic transmission?

  • To control the gear shifts (correct)
  • To monitor the oxygen sensor
  • To control the air/fuel mixture
  • To engage the parking brake
  • What is the function of the oxygen sensor in an Electronic Fuel Injection (EFI) system?

  • To monitor the fuel pressure
  • To control the fuel injectors
  • To monitor the exhaust gases (correct)
  • To regulate the ignition timing
  • What is a common problem associated with brake systems?

    <p>Worn or warped rotors</p> Signup and view all the answers

    What is a component of the suspension system?

    <p>Control arms</p> Signup and view all the answers

    What is a type of brake system?

    <p>Disc brake</p> Signup and view all the answers

    Study Notes

    Engine Repair

    • Engine Components:
      • Cylinders: where combustion takes place
      • Pistons: move up and down in cylinders, driven by explosive force
      • Crankshaft: converts up-and-down motion into rotary motion
      • Camshaft: operates valves, allowing air and fuel into cylinders
    • Common Engine Problems:
      • Oil leaks
      • Overheating
      • Low compression
      • Faulty spark plugs
    • Repair Techniques:
      • Compression testing
      • Leak-down testing
      • Cylinder head reconditioning
      • Engine block machining

    Transmission Systems

    • Manual Transmission:
      • Uses gears and clutch to transfer power
      • Driver controls gear shifts
    • Automatic Transmission:
      • Uses torque converter and planetary gearsets
      • Transmission control module (TCM) controls shifts
    • Transmission Components:
      • Gears
      • Bearings
      • Seals
      • Clutch packs
    • Common Transmission Problems:
      • Slipping or hesitation
      • Leaks
      • Noise or vibration
      • Failure to engage gears

    Electronic Fuel Injection

    • EFI Components:
      • Fuel injectors
      • Fuel pump
      • Oxygen sensor
      • Engine control module (ECM)
    • How EFI Works:
      • ECM calculates air/fuel mixture
      • Fuel injectors spray fuel into intake manifold
      • Oxygen sensor monitors exhaust gases
    • Benefits of EFI:
      • Improved fuel efficiency
      • Increased power
      • Reduced emissions
      • Self-diagnostic capabilities

    Brake Systems

    • Brake Components:
      • Brake pads
      • Rotors
      • Calipers
      • Brake fluid
    • Brake Types:
      • Disc brakes
      • Drum brakes
      • ABS (anti-lock braking system)
    • Brake Problems:
      • Worn or warped rotors
      • Spongy brake pedal
      • Brake noise or vibration
      • Leaks or low brake fluid

    Suspension And Steering

    • Suspension Components:
      • Springs
      • Shock absorbers
      • Struts
      • Control arms
    • Steering Components:
      • Steering gear
      • Steering column
      • Power steering pump
      • Steering linkage
    • Suspension and Steering Problems:
      • Worn or loose components
      • Noise or vibration
      • Uneven tire wear
      • Steering wander or pull

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    Description

    Test your knowledge of automotive systems, including engine repair, transmission systems, electronic fuel injection, brake systems, and suspension and steering. Learn about components, common problems, and repair techniques.

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