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Chapter 17 Maintaining Your Vehicle

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Presentation on theme: "Chapter 17 Maintaining Your Vehicle"— Presentation transcript:

1 Chapter 17 Maintaining Your Vehicle

2 Owner's Manual Provides valuable information about your vehicle and it's systems

3 Fuel System Fuel Injection System
Deliver exact amount of fuel to engine Reduce the amount of pollution-causing gases

4 Fuel Efficiency Depends upon: Weight of car
Speed you drive - over 55 fuel efficiency decreased Air resistance: keep windows closed when driving over 45 mph

5 Fuel Efficiency Continued
Also depends upon: Type of engine - 4 or 6 cylinder Vehicle Design Manual vs Automatic Power equipment - air conditioning

6 Know how to calculate your MPG
Used 10 gallons of fuel to drive 150 miles : 150 divided by 10 = 15MPG You have 10 gallons of fuel. Your car delivers approximately 15 MPG in the city. How many miles should you be able to drive? = 150 miles

7 Emission System Catalytic Converter
Converts harmful gases into less harmful gases & water Muffler - reduces noise. Louder sounds may indicate a hole in. Our muffler Check emission system - CO ( may poison you), CO2, hydrocarbons, nitrogen oxides

8 Drive Train System Often covered in warranty
Engine Transmission (low fluid level may produce jerky shifting) Clutch Drive shaft Differential (allows 1 wheel to turn more slowly than another) Transaxle Drive axles Universal joints

9 Ignition & Electrical System
Alternator- recharges the battery Battery - strong acid (dangerous)- powers vehicle's starter, lights, computer assisted controls, electrical accessories. A dead battery (no sound when starting the engine)can be jump started with jumper cables - know the procedure for "jumping" a vehicle's battery

10 Lights - headlights, taillights, back up lights, turn signals
Lights - headlights, taillights, back up lights, turn signals. Should be replaced immediately when defective

11 Lubricating & Cooling Systems
Oil helps engine work efficiently by reducing friction and cleaning engine parts - warning light comes on - pull off road and shut engine

12 Cooling System Cools engine - mixture of antifreeze & water Provides heat to interior of car Radiator - connected to the engine - holds the coolant Thermostat - controls the amount of coolant needed

13 Maintaining Control Systems
Power Steering - makes steering easier Master Cylinder (Brake System) - forces fluid to each wheel's brake cylinder and squeezes brake pads against the turning disk which causes the friction to slow the wheel Parking Brake is a completely separate system - it should hold your vehicle on a hill

14 Suspension System Keeps tires in line according to steering Shock absorbing

15 Preventative Maintenance (Care given to prevent trouble later)
Includes: Day-to-day care Mileage-based-maintenance: Periodic servicing done after a certain number of miles - shown in manual Warranty may be voided if maintenance schedules are not followed

16 Tires Belted tires - improved strength, performance and mileage
Radial tires - gives best fuel mileage - strengthens tire, improved tread mileage, & traction Air pressure in increases when warm, lowers when cool

17 Tires need to be rotated regularly, balanced (for even wear) and aligned (for longer life & more even wear of tire)

18 Replace tires when the wear bar appears smooth
Always use the same tires for all 4 tires If you want your tires to last longer then you need a higher tread-wear rating

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