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AD Terms and Definitions
Terms in this set (110)
A series of rods, yokes, levers, etc. used to transmit motion from one unit to another.
Part of the steering linkage that connects the steering knuckle arm to the drag link or to the rack and pinion
A braking system that uses vacuum to assist the effort needed to slow down or stop a vehicle
Part of the rack and pinion steering system that works with the pinion gear to transfer the movement of the steering wheel to the wheels
The part in the cooling system that removes heat from the fluid that passes through it
A device that uses electric current to produce motion
The links, rods, and arms connected together that transmit the motion of the steering gear to the front wheels and sometimes to the rear wheels
These parts support, guide, and reduce the friction between moving parts. There are two common types.
Bearings; roller and ball
Parts that act as supports for the front and/or rear face bar or fascia
A storage device for electrons or electricity
Front extension of the side rails to which the front bumper assembly is mounted
Hydraulic cylinders placed in the brake system at the wheels. Hydraulic pressure from the master cylinder causes the wheel cylinders to move the brake linings into contact with this part to stop the vehicle
Electrical force or pressure that pushes electrons free and causes current to flow.
Part of the emissions system designed to capture fuel vapor that has evaporated from the fuel tank. It helps control the emissions of hydrocarbons
The application of plastic or rubberized material to retard corrosion and deaden noise
A journal or shaft upon which the wheels of the vehicle are mounted
The gears enclosed in the steering gear housing. These gears carry the rotary motion of the steering wheel
The shaft that extends down from the steering gear housing and connects with the steering linkage
The opposition to free electron flow. It limits or controls current flow. It is also known as Ohms and is measured in Ohms
Rods that are attached to both the axle beam and to the frame that maintain the correct axle positioning
A part against which the brake pad lining is forced to slow or stop the wheel rotation
A two-step paint process, color coat is applied as a base and an application of a clear coat goes on top of the color coat.
Base Coat/Clear Coat (Two-Stage)
Components on a front wheel drive train that extend from either side of the transaxle and connect indirectly to the front wheels
The steering linkage part connecting the drag link to the frame on the right side
The housing that encases the speedometer and other instruments. It is sometimes incorrectly referred to as the dash.
A type of steering that uses hydraulic pressure to multiply the driver's effort to turn a steering wheel
The body parts that form the rear sides of the automobile
The part that extends from the taillight opening to the trunk opening. Not every vehicle has it.
Quarter Panel Extension
The panel between the quarter panels which forms the rear lower section of the trunk opening
Rear lower body panel
A device that uses a small input current to control a larger current in a circuit
Sheet metal channels lined with felt
The metal piece that the doors, deck lid and hood latch or lock to when closing
Separate metal structure sometimes called an engine cradle, found on some cars to support the engine, transmission, and front suspension
A heat controlled valve used in the cooling system or an engine to regulate the flow of coolant between the cylinder block and the radiator
A paint process that has a base coat followed by a transparent mid-coat followed by a clear coat. This creates a special color effect on the vehicle
Two different colors on a single paint job
A long, straight bar fastened to the frame at one end and to a lower control arm at the other end.
A type of vehicle construction where the frame and body are incorporated together as one structure
A device in the cooling system that maintains circulation of coolant between the engine and the radiator
A rubber seal found around the inside openings on a vehicle. It prevents leakage at the joint between the moveable part and the body
The mechanism that raises and lowers the glass
A panel that serves as a reinforcement for the top of the windshield opening and the front of the roof panel
Windshield header panel
The upholstery/plastic part overhead in the passenger compartment
An appearance part located on the front-end of the vehicle that helps channel air to the radiator and protects some parts from road debris
A device used to protect a circuit from excess current flow damage
Fuel system component that sprays fuel into the intake manifold or cylinders so that it can be used in the internal combustion process
This non-structural part attaches to the fender apron/wheelhouse and keeps water and debris from being splashed into the engine compartment
Another name for a bumper cover that is usually found on unibody vehicles. It is typically made from rubber or plastic
A part that stores the electrical energy for the automobile
The assembly of mechanisms that make up the major operating part of the vehicle
Paint containing no pigment or only transparent pigment
A spring made up of elastic metal formed into a wire or bar and wound into a coil
Area where internal combustion takes place, it is formed by the cylinder head and the cylinders
A special type of universal joint that can maintain a constant speed for the half shafts regardless of the angle of the shaft
Constant Velocity (CV) Joints
Engine component that translates the up-and-down motion of the pistons into rotary motion
Holes, slots, dimples, or other dents built into certain areas of the unibody shell that fold or collapse on impact. These help absorb some of the impact from a collision
The part that prevents the door from opening too far
The mechanism inside the door that holds the door in the closed position
Often serviced separately from the door shell. This part is the outer appearance panel of a door that extends from the rocker panel to the belt line at the bottom of the glass. On some models it extends from the top of the rocker to the top of the door frame
Door outer panel
The connecting rod or link between the steering pitman arm and the tie rods
Center link / drag link
Cast iron or steel piece bolted to the cylinder head that carries exhaust gases from the engine
A metal or plastic part surrounding another part. It is often found around lamps or accessories when it is around the head lamp, it is sometimes called a headlamp door
The procedure for removing air from the lines of a hydraulic braking system
Device in a disc brake system which causes the pads to grip the disc, resulting in the slowing or stopping of the vehicle
A metal part that surrounds the shoe and lining. The brake shoe lining is forced against this part to slow or stop the wheel rotation
A material on the brake shoe or pad that has a suitable coefficient of friction to retard the motion of the vehicle when it is pressed against the drum or disc.
A device that is usually used to direct the flow of fluid, air, or light
Egg-shaped pieces of metal that are attached to the camshaft. Each is linked to a valve
A gear found in some steering systems that works with the rack to transfer the motion from the steering wheel to the wheels
A mechanically operated brake that may be set for parking the vehicle
A steering system that uses a steering gear that is connected to a pitman arm to facilitate the movement of remaining steering linkage
Component that transforms the rotary motion of the crankshaft into up and down motion resulting in the opening and closing of intake and exhaust valves
This part is found on a four-door vehicle. It serves as a hinge pillar for the rear doors and as a lock pillar for the front doors
A pedal device that is usually foot operated used to regulate the speed of the engine
Parts that are not considered essential to the operation of the vehicle. The radio, cruise control, and electric windows are examples
Devices which transform an electrical signal into motion
A device that filters the air being used by the engine
An assembly composed of the nylon bag and an igniter/inflator mechanism enclosed in a metal/plastic housing
The adjustment of a part or assembly. Two examples are the adjustment of doors in their openings and aligning the suspension to manufacturer's specifications
Component in the car's charging system that produces current to be used by the automobile
The flow of electrons past a given point
Two thicknesses of glass with a clear plastic laminate between the two thicknesses.
Safety plate glass
One thickness of heat-treated glass.
One thickness of sheet glass and one thickness of double sheet glass with the plastic laminate between the two thicknesses
Safety Sheet Glass
Two pieces of glass separated by a sheet of plastic safety film plus an additional layer of safety film on the inside of the windshield
All types of glass are available in clear, tinted, or shaded.
Heavier tint along its top edge which is gradually decreased in density near the normal line of vision
Often found on SUV's and minivans, available as an option from the manufacturer. Very dark and/or reflective, used in the rear passenger compartment and/or cargo area.
The society of automotive engineers (SAE) lists about 100 different kinds of metal that may be used in automobile construction
This method of forming parts is done by pouring liquid metal into a mold. Parts such as engine blocks, cylinder heads, axle housings, carburetors and fuel pumps are made this way
This method of forming parts is similar to the process that was once used by blacksmiths. Ingots (blocks of metal) are heated and shaped with special power hammers
The majority of metal body parts are made using this method. Sheet metal is prepared by taking a hot slab of metal from a furnace and passing it between a train of rollers to get desired thickness
A type of suspension that allows the wheels on one side of the vehicle to rise and fall independently from the wheels on the other side
The trim surrounding the glass openings on the interior of the vehicle
The separate substructure found on vehicles that supports the body and other external components
The sheet metal panel in the cowl assembly between the engine and the passenger compartment
A supporting shaft or member on which a wheel or set of wheels revolves
The covering over the steering column located between the steering wheel and the firewall
The device on the front of the engine that rotates to draw air through the radiator
Sheet metal panels which are welded together and form the front of the body shell or passenger compartment of the vehicle
Cowl and Dash Assembly
Process that occurs when fuels mixes with air and is ignited by a spark to produce a controlled explosion within the engine
A spring made up of a series of arched spring steel straps of graduated lengths, assembled one on top of the other.
Type of front suspension that combines the shock absorber and the coil spring in a single assembly
McPherson Strut Suspension
The liquid filled cylinder in the hydraulic braking system where hydraulic pressure is developed by the depression of the brake pedal
This part forms the housing for the front suspension on a unitized vehicle and is critical for the handling and safety of the vehicle
The structural housing over the rear wheels of a vehicle.
Wheelhouse Assembly - Rear
Professional conduct and appearance
Remaining loyal to your corporation
Integrity in your dealings with others
Dedication to quality service that delights our customers
Excellence as your work standard
GEICO 7 Operation Principles
1. Respect, support and provide opportunity for all associates.
2. Be fanatics for outstanding customer service.
3. Be the low-cost provider.
4. Operate with uncompromising integrity.
5. Maintain a disciplined balance sheet.
6. Make an underwriting profit while achieving optimum growth.
7. Invest for total return.
As our customer, you have the right to:
* Respect and courtesy at all times
* Prompt, objective and professional insurance advice
* Accurate and timely response to policy change requests
* Prompt and fair settlement for your claim
* Fair rates tailored to your home and to your vehicle, its use and your record
* Consult with management any time your are not satisfied
The part on the engine that supplies the fuel/air mixture to the cylinders
Sets with similar terms
Combo with "Ch. 29 Suspension Systems" and 7 others
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