Glossary “Tri-Chevy” Definition:
1955, 1956, and 1957 Chevrolets.
t
tread rib
Glossary “tread rib” Definition:
Raised portion of the tire tread between the grooves.
tread rubber
Glossary “tread rubber” Definition:
A blend of up to 30 different synthetic, and eight natural rubbers used in a tire tread.
tread wear indicator
Glossary “tread wear indicator” Definition:
Projections of rubber, 1/16 inch (1.59 mm) high at the bottom of the tread grooves, spaced around the tire to identify a tire worn to the recommended safe limit.
tread wear rating
Glossary “tread wear rating” Definition:
Tire rating indicating the wear capabilities of the tread that allow consumers to compare tire life expectancy.
treadle
Glossary “treadle” Definition:
A dual, heavy-truck brake valve that: 1). Releases air from the service reservoir to the service lines and brake chambers. 2). Opens ports to service lines to vent air in the primary and secondary systems.
tread distortion
Glossary “tread distortion” Definition:
Tread shape change on certain tires as rotating contact is made with the road surface; less severe in belted tires.
tread groove
Glossary “tread groove” Definition:
Recessed portion of the tire tread between the ribs.
tread compound
Glossary “tread compound” Definition:
Blend of synthetic rubber used in the tire tread material.
tread depth gauge
Glossary “tread depth gauge” Definition:
Instrument that will quickly measure tire wear at the tread.
TRCS
Glossary “TRCS” Definition:
Throttle Return Control Solenoid
TRCTL
Glossary “TRCTL” Definition:
Throttle Return Control Throttle Lever actuator
TRD
Glossary “TRD” Definition:
Transmission Range Drive, or Transmission Selector Position Input Status (digital), this will be displayed as a binary number.
tread
Glossary “tread” Definition:
That portion of a tire that comes into contact with the surface of the road and is designed to allow the air flow to cool the tire and to channel water during wet weather.
traverse engine
Glossary “traverse engine” Definition:
Engine mounted sideways in a vehicle, such as in most front-drive vehicles.
traverse leaf spring
Glossary “traverse leaf spring” Definition:
Leaf spring mounted sideways, such as in the Model T, or Corvette.
TRC
Glossary “TRC” Definition:
Throttle Return Control
travel sensitive strut
Glossary “travel sensitive strut” Definition:
Strut with the capability to adjust its firmness in relation to the amount of piston travel within.
travel trailer
Glossary “travel trailer” Definition:
Trailer with living accommodations.
transverse vibration
Glossary “transverse vibration” Definition:
Vibration caused by an unbalanced drive line.