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ACT CH03
Term | Definition |
---|---|
full-frame vehicle | has a body and a separate frame |
unibody vehicle | is constructed of sheet metal panels that are spot welded together to form the main body structure |
drive train | produces power and conveys this power to the drive wheels |
steel | one of the most commonly used materials when manufacturing today's vehicles. |
alloy | is a metallic substance |
mild steel | has a carbon content of approximately 0.25% |
high-strength steel | has a different chemical composition than mild steel. The carbon content may be as high as 0.75% |
laminated steel | is made of two layers if steel bonded together with a solid layer of adhesive. |
aluminum | increasingly used in vehicle construction. |
Its 1/3 the weight of steel | but it can be just as strong |
magnesium | is lighter than aluminum |
flexible plastic | can be easily distorted and returned to its normal shape after the pressure is released. |
semi-rigid plastic | can be distorted |
rigid plastic | the least flexible type of plastic |
laminated glass | is made of two layers of glass with a layer of plastic between them |
tempered glass | is a single layer of glass and is used on all windows except the windshield |
bumper assembly | is located at the front and rear of the vehicle and is designed to protect the vehicle and occupants during minor impacts |
header panel | also known as the headlight panel because the headlights are mounted in it. |
fenders | are the outer body panels located between the front doors and front bumper |
hood | covers the engine compartment and is generally made of steel |
cowl vent panel | is located to the rear of the hood and bolted in place |
roof | covers the passenger compartment. door |
door | has hinges that allow it to open and close |
rocker panel | is located under the door openings |
quarter panels | form the sides of the vehicles' body behind the side doors and surround the rear wheel openings |
sail panel | connects the roof and the quarter panel |
deck lid | covers the trunk opening |
rear hatch | is similar to the deck lid but contains the rear glass and is made from steel or rigid plastic |
cab corner | is found on a pickup truck and is located behind the door |
bed side | may be an outer skin |
tailgate | closes the bed of a pickup truck and is made of steel |
van side | is usually a large steel panel that may or may not have window openings |
radiator support | holds the condenser and radiator |
lower frame rail | also called a lower front |
upper frame rails | adds strength to the upper portion of the engine compartment. |
apron | a single panel that connects the upper and lower frame rails |
strut tower | supports the front suspension |
cowl | or firewall |
windshield pillar | also called the A pillar |
center pillar | or B pillar |
floor pan | is the base of the passenger compartment. It is welded to the rocker panel and cowl. |
rear pillar | the inner portion of the quarter panel. The door latches on this |
rear frame rail | provides support for the rear portion for the unibody vehicle |
wheel house | surrounds the rear wheel. It is formed from two panels |
trunk floor | is welded to the inner wheel house panels and to the rear frame rails |
rear body panel | is welded between the quarter panels and forms the rear portion of the vehicle below the deck lid |
vehicle safety rating | is a measure of a vehicle's crashworthiness |
body style | the configuration of a vehicle's body panels; examples of by styles are: sedan |
bows | reinforcements designed to add rigidity to an automotive structure |
engine cradle | frame component that supports the engine |
non-structural part | a part that does not make a vehicle any stronger |
structural part | a body component that increases the strength of the vehicle |