Under-Hood Vehicle Inspection chapter 17. Under-Hood Vehicle Inspection FIGURE 17.1 Before service...
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Under-Hood Under-Hood Vehicle Vehicle Inspection Inspection chapter17
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Transcript of Under-Hood Vehicle Inspection chapter 17. Under-Hood Vehicle Inspection FIGURE 17.1 Before service...
Under-HoodUnder-HoodVehicleVehicle
InspectionInspection
chapter17
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.1 FIGURE 17.1 Before service begins, be sure to cover the seats, floor, and steering wheel Before service begins, be sure to cover the seats, floor, and steering wheel with protective coverings.with protective coverings.
chapter 17 Under-Hood Vehicle Inspection
FIGURE FIGURE 17.217.2 An exhaust system hose should be connected to the tailpipe(s) whenever An exhaust system hose should be connected to the tailpipe(s) whenever the engine is being run indoors.the engine is being run indoors.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.3 FIGURE 17.3 Installing a wiper blade insert into a wiper arm.Installing a wiper blade insert into a wiper arm.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.4 FIGURE 17.4 (a) The windshield wiper fluid reservoir cap is usually labeled with a symbol (a) The windshield wiper fluid reservoir cap is usually labeled with a symbol showing a windshield washer. (b) Use only the recommended washer fluid. Never use showing a windshield washer. (b) Use only the recommended washer fluid. Never use antifreeze in the windshield washer reservoir.antifreeze in the windshield washer reservoir.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.5 FIGURE 17.5 A cabin filter can be accessed either through the glove compartment or A cabin filter can be accessed either through the glove compartment or under the hood.under the hood.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.6 FIGURE 17.6 (a) A typical dirty air filter. (b) Always check the inlet passage leading to (a) A typical dirty air filter. (b) Always check the inlet passage leading to the air filter for debris that can reduce airflow to the engine.the air filter for debris that can reduce airflow to the engine.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.7 FIGURE 17.7 A master cylinder with a transparent reservoir. The brake fluid level should A master cylinder with a transparent reservoir. The brake fluid level should be between the MAX and the MIN levels as marked on the reservoir.be between the MAX and the MIN levels as marked on the reservoir.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.8 FIGURE 17.8 DOT 3 brake fluid. Always use fluid from a sealed container because brake DOT 3 brake fluid. Always use fluid from a sealed container because brake fluid absorbs moisture from the air.fluid absorbs moisture from the air.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.9 FIGURE 17.9 Brake fluid test strips are a convenient and easy-to-use method to Brake fluid test strips are a convenient and easy-to-use method to determine if the brake fluid needs to be replaced.determine if the brake fluid needs to be replaced.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.10 FIGURE 17.10 A typical oil level indicator (dipstick).A typical oil level indicator (dipstick).
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.11 FIGURE 17.11 The oil level should be between the MAX and the MIN marks when the The oil level should be between the MAX and the MIN marks when the vehicle is on level ground and the oil has had time to drain into the oil pan.vehicle is on level ground and the oil has had time to drain into the oil pan.
chapter 17 Under-Hood Vehicle Inspection
CHART 17.1CHART 17.1
chapter 17 Under-Hood Vehicle Inspection
UNNUMBERED CHARTUNNUMBERED CHART
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.12 FIGURE 17.12 A typical automatic transmission dipstick.A typical automatic transmission dipstick.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.13 FIGURE 17.13 Visually check the level and color of coolant in the coolant recovery or Visually check the level and color of coolant in the coolant recovery or surge tank.surge tank.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.14 FIGURE 17.14 (a) A refractometer is used to measure the freezing point of coolant. A (a) A refractometer is used to measure the freezing point of coolant. A drop of coolant is added to a viewing screen, the lid is closed, and then held up to the drop of coolant is added to a viewing screen, the lid is closed, and then held up to the light to view the display on the tool. (b) The use of test strips is a convenient and cost-light to view the display on the tool. (b) The use of test strips is a convenient and cost-effective method to check coolant condition and freezing temperature.effective method to check coolant condition and freezing temperature.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.15 FIGURE 17.15 Pressure testing the cooling system. A typical hand-operated pressure Pressure testing the cooling system. A typical hand-operated pressure tester applies pressure equal to the radiator cap pressure. The pressure should hold; if tester applies pressure equal to the radiator cap pressure. The pressure should hold; if it drops, this indicates a leak somewhere in the cooling system. An adapter is used to it drops, this indicates a leak somewhere in the cooling system. An adapter is used to attach the pump to the cap to determine if the radiator can hold pressure, and release attach the pump to the cap to determine if the radiator can hold pressure, and release it when pressure rises above its maximum rated pressure setting.it when pressure rises above its maximum rated pressure setting.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.16 FIGURE 17.16 Hose clamps come in a variety of shapes and designs.Hose clamps come in a variety of shapes and designs.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.17 FIGURE 17.17 A special tool is useful when installing a new accessory drive belt. The A special tool is useful when installing a new accessory drive belt. The long-handled wrench fits in a hole of the belt tensioner.long-handled wrench fits in a hole of the belt tensioner.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.18 FIGURE 17.18 A typical worn serpentine accessory drive belt. Newer belts made from A typical worn serpentine accessory drive belt. Newer belts made from ethylene propylene diene monomer (EPDM) do not crack like older belts that were ethylene propylene diene monomer (EPDM) do not crack like older belts that were made from neoprene rubber.made from neoprene rubber...
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.19 FIGURE 17.19 A belt tension gauge displays the belt tension in pounds of force.A belt tension gauge displays the belt tension in pounds of force.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.20 FIGURE 17.20 Typical marks on an accessory drive belt tensioner.Typical marks on an accessory drive belt tensioner.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.21 FIGURE 17.21 A water spray bottle is an excellent diagnostic tool to help determine if A water spray bottle is an excellent diagnostic tool to help determine if the noise is due to an accessory drive belt. If the noise goes away when the belt is the noise is due to an accessory drive belt. If the noise goes away when the belt is sprayed with a mist of water, then the belt is the cause.sprayed with a mist of water, then the belt is the cause.
chapter 17 Under-Hood Vehicle Inspection
FIGURE 17.22 FIGURE 17.22 Most vehicles use a combination filler cap and level indicator (dipstick) Most vehicles use a combination filler cap and level indicator (dipstick) that shows the level of power steering fluid in the reservoir.that shows the level of power steering fluid in the reservoir.
