(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Department of Transportation
DOT
Employs brake shoes pressed outward against a spinning drum surface, a traditional braking method still in use today
drum brake
the measure of electric current flow
amperage
alerts the driver to potential issues, such as low fluid levels or system malfunctions
Brake System Warning Indicators
A method to remove air from the brake system by creating a vacuum at the bleed valve, ensuring thorough fluid replacement.
vacuum bleeding
A method of brake bleeding that relies on gravity to allow fluid to flow from higher to lower points in the system
gravity bleeding
radio frequency interference
RFI stands for
Provides a visual representation of electrical signals, useful for diagnosing complex brake system issues involving sensors and actuators
Digital Oscilloscope (DSO)
removing air from the brake system by having one person pump the brake pedal while another opens and closes the bleed valves
manual bleeding
a hydraulic fluid that transfers force into pressure
brake fluid
instrument used to measure electrical parameters such as voltage and resistance
Digital Multimeter (DMM)
prevents wheel lock-up during braking, allowing for better steering control in emergencies
Antilock Brake System (ABS)
used in some front disc and rear drum systems to hold off front brake application until near shoes have ocercome spring pressure during a light application.
Metering valve
prevents wheel slip during acceleration by reducing power or applying brakes to specific wheels, enhancing vehicle stability.
traction control system
rigid tubes that carry brake fluid under pressure
brake lines
Two step process that creates a double thickness of line at seal.
double flare
An electrical fault where a wire contacts the vehicle's frame, diverting electricity and potentially causing brake system failures
short-to- ground
Indicates a firm brake pedal requiring excessive effort to depress, potentially due to booster failure or blockage in brake lines.
hard pedal
A condition where the brake pedal must be pressed unusually far before engagement, indicating possible air in the hydraulic system or worn components.
low pedal
Monitors wheel speed in antilock braking systems, providing data to control braking during slippery conditions.
speed sensor
Measures vehicle rotation around its vertical axis, aiding stability control systems in correcting vehicle orientation during skids.
yaw sensor
fastener that secures the wheel to the vehicle, essential for maintaining wheel stability during braking
lug nut
Occurs when a wire carrying current contacts another wire or power source, risking damage to brake components
short-to- voltage
the electrical pathways that control braking actions
circuits
houses pistons and brake pads, applying pressure to the pads against the rotor to slow the vehicle.
brake caliper
less hygroscopic than traditional fluids, making it suitable for high-performance vehicles.
silicone brake fluid
converts the mechanical force from the brake pedal into hydraulic pressure
master cylinder
Imrpoves brake balance during hard stops by limiting hydrolic pressure to the rear brakes during hard breaks when the weight transfer occurs.
proporting valve
diagnostic trouble codes
DTC stands for
a fitting that resembles a 'banjo" and a hallow bolt with stealing washers: subject to leakage if overtightened. Washers should be replaced before reassembly.
banjo bolt
A condition where brakes remain partially engaged, causing resistance and increased wear, often due to mechanical failure or misalignment.
dragging
the pressure at the moment the valve closes and blocks the flow of fluid to rear breaks.
split point
most break fluid used today is hygroscopic meaning it absorbes moisture.
hygroscopic
a hydraulic component in drum brakes that pushes the brake shoes against the drum when hydraulic pressure is applied.
wheel cylinder
