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7. Vehicle Components

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156
Safety Equipment - Maintenance

Tire Maintenance

Tires should be frequently inspected for proper inflation pressure, tread depth, uneven wear, and cracks. They should be replaced when tread depth is low or they are cracked.

If uneven wear is present you should check inflation pressure and/or wheel balance and alignment of your vehicle . Have any problems corrected immediately or you may be forced to purchase new tires.

Electrical Maintenance

If the electrolyte in your battery can be refilled, it should be checked and refilled with distilled water as part of regular maintenance on your vehicle in order to keep the battery functioning. Electrolyte fluid is corrosive and can severely injure your eyes. Batteries generate hydrogen gas which can explode when the battery caps are removed.

If your alternator belt is slipping or breaks, your battery will discharge, lights and other accessories may not work, and the vehicle will eventually stall. The belt tension should be maintained according to manufacturer specifications for the alternator to perform correctly and to prolong the life of the belt. Cracked belts should be replaced.

Exterior lights should be regularly checked for burned out bulbs that you may not be aware of from inside the vehicle. Interior lights are necessary to see displays both at night and during the day, are essential in case of an emergency at night, and must be maintained in proper working order. It is illegal to drive with headlights that are not properly adjusted.

It is important to be sure your windshield wiper motor is working and that the linkages to the wipers are functioning. The time to discover there is a problem is not when you need them.

Leaks in your fuel system can cause fires and expose you to toxic gases. The leaks can occur in the fuel tank, fuel lines, fuel pump, carburetor, fuel injector lines and by not having your gas cap securely attached.


Lesson Summary


  

Lesson 7 Quiz


You will now answer 5 questions to test what you learned during this lesson. You must answer all questions correctly to receive completion credit for this lesson. You may answer the questions as many times as necessary to get them right.

You should review the lesson material if you don't do well on the quiz.

  1. The minimum tread thickness for passenger car tires is:


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  2. The ALTERNATOR:


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  3. The engine in your car is sometimes called:


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  4. Disc brakes work by:


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  5. This oil warning light means that:


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