Glossary “breaker bar” Definition:
Also called a flex handle, it provides additional leverage to help loosen nuts and bolts.
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branch circuit
Glossary “branch circuit” Definition:
Portion of a wiring system extending beyond the final over-current protective device in a circuit.
braze
Glossary “braze” Definition:
A weld produced by heating an assemble to above 840¡ãF (450¡ã C) but below the solidus of the base metal.
break
Glossary “break” Definition:
1).To damage a car or component in any way. 2). To open an electrical contact.
breakaway torque
Glossary “breakaway torque” Definition:
Amount of torque needed to make a side gear rotate the clutches in a limited-slip differential.
brake spoon
Glossary “brake spoon” Definition:
Tool used to adjust drum brake clearances.
brake stopping distance
Glossary “brake stopping distance” Definition:
The distance traveled from the application of the brakes to the point at which the vehicle comes to a complete stop.
brake system
Glossary “brake system” Definition:
The system in a vehicle that is used to slow or stop the vehicle.
brake system bleeding
Glossary “brake system bleeding” Definition:
See brake bleeding.
brake thermal efficiency
Glossary “brake thermal efficiency” Definition:
bHP converted to BTU’s, divided by the fuel’s heat input in BTU’s with the result multiplied by 100.
brake torque
Glossary “brake torque” Definition:
The engine output at the flywheel as measured on a dynamometer.
brake warning light
Glossary “brake warning light” Definition:
An instrument-panel light that warns of brake-system malfunction.
brake rattle
Glossary “brake rattle” Definition:
Noise of varying pitch that changes as brakes are applied or released.
brake shoe
Glossary “brake shoe” Definition:
The curved metal part, faced with brake lining, that is forced against the brake drum to produce braking action.
brake shoe heel
Glossary “brake shoe heel” Definition:
The end of brake shoe opposite the anchor pin.
brake shoe toe
Glossary “brake shoe toe” Definition:
The end of brake shoe nearest the anchor pin.
brake specific fuel consumption
Glossary “brake specific fuel consumption” Definition:
The measure of an engine’s fuel efficiency during dynamometer testing.
brake pedal pulsation
Glossary “brake pedal pulsation” Definition:
When the brake pedal moves up and down during a stop due to out of round drum or excessive runout in the rotors.
brake pedal reserve
Glossary “brake pedal reserve” Definition:
Pedal travel distance before the brakes begin to apply.
brake power assist
Glossary “brake power assist” Definition:
A device installed in a hydraulic brake system that reduces pedal effort and affords better braking.