Glossary “torque tube” Definition:
Drive shaft system that is enclosed in a tube extending from the transmission tailshaft to the rear-axle housing.

Glossary “torque turn” Definition:
When a bolt is tightened to a specific torque and then turned an additional 35 to 180¡ã.

Glossary “torque wrench” Definition:
Wrench that indicates the amount of torque being exerted when used, to enable threaded parts to be tightened a specified amount.

Glossary “torque spec” Definition:
Force required to tighten a nut or bolt to specification.

Glossary “torque steer” Definition:
An outside influence, such as uneven front tire-tread wear, causing the steering wheel to turn right or left during hard acceleration, relating to the dual torque and steering requirements that are applied to the drive axle of front-wheel-drive vehicles. When there are different length shafts, the long one wraps and there is a slight lag before it puts its torque to the wheel, causing the vehicle to pull to one side.

Glossary “torque test” Definition:
Starting motor test to determine torque produced and current required while the specified voltage is applied.

Glossary “torque rod shims” Definition:
Thin metal shims used to rotate the axis pinion to change the operating angle of the U-joint.

Glossary “torque sequence” Definition:
Order in which a series of bolts or nuts should be tightened.

Glossary “torque multiplication phase” Definition:
Period of torque converter operation when the vortex flow is redirected through the stator to accelerate impeller flow to the turbine and increase engine torque.

Glossary “torque pattern” Definition:
A tightening sequence that assures that parts are clamped down evenly by several bolts or nuts.

Glossary “torque plate” Definition:
Thick metal plate bolted to the deck of a block during cylinder boring and honing to reproduce the stress caused when the heads are installed and the bolts are properly torqued.

Glossary “torque curve” Definition:
Graphic depiction of the amount of torque available at different engine speeds.

Glossary “torque in steps” Definition:
Three steps are normally used to reach the specific torque. The final step will always be the specific torque value. Each step must be done in the specific torque sequence.

Glossary “torque limiting clutch brake” Definition:
System designed to slip when loads of 20-25 pounds-feet are reached, to protect the brake from overloading and the high heat damage.

Glossary “torque multiplication” Definition:
Torque increase as a result of converter action that allows the turbine to revolve slower than the impeller during acceleration and heavy-load conditions at a ratio as much as 2:1.

Glossary “torque converter capacity” Definition:
Ability of a torque converter to absorb and transmit engine torque in relation to the amount of slippage in the converter.

Glossary “torque converter clutch” Definition:
Clutch located inside the torque converter that locks the turbine and the impeller together to prevent any slippage. Also called a lockup torque converter.

Glossary “torque converter valve” Definition:
Valve in the transmission control system which limits the amount of pressure that is fed to the torque converter.

Glossary “torque boxes” Definition:
The structural parts of the frame designed to allow some twisting to absorb road shock and collision impact.

Glossary “torque converter” Definition:
1). Unit that transfers power from the engine to the transmission input shaft by directing and redirecting fluid flow. 2). A type of fluid coupling used to connect the engine crankshaft to the automatic transmission input shaft. Torque converter multiply the available engine torque under certain operating conditions.