click below
click below
Normal Size Small Size show me how
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 |