Glossary “spring walk” Definition:
Tendency of a valve spring to bounce around in its seat at high-engine speed.

Glossary “spring windup” Definition:
The slight S-shape assumed by the leaf spring during extreme acceleration and braking that may be controlled by traction bars on high-performance vehicles.

Glossary “spring scale” Definition:
Measuring device commonly used to check articulation effort of tie rods, rack and pinion assemblies and steering gear rotating effort. Contains a calibrated spring that compresses a known amount under a given load.

Glossary “spring seat” Definition:
Recess in a chassis where a coil spring is mounted.

Glossary “spring shackle” Definition:
A small, swing-arm attachment at the rear of the leaf spring to allow the spring to flex.

Glossary “spring tester” Definition:
Measures the amount of force required to compress a valve spring at its installed height. Weak valve springs cause poor engine performance and must be replaced.

Glossary “spring torque windup” Definition:
Term used for a Hotchkiss drive.

Glossary “spring retainer” Definition:
Element which locates and provides reaction for the spring in a one-way roller clutch.

Glossary “spring sag” Definition:
Loss of spring load due to overloading and/or metal fatigue.

Glossary “spring rate” Definition:
Relationship of spring deflection to load applied, such as the amount of weight, in pounds, required to deflect the rear spring.

Glossary “spring leaf insert” Definition:
Small, replaceable composition pads placed between the spring leaves near the ends to aid in slippage between the leaves while they are flexing.

Glossary “spring load” Definition:
A measure, in pounds or kilograms, of how much weight a spring can support, generally at the installed height.

Glossary “spring oscillation” Definition:
Continued compression and rebound motion of a spring, after the wheel has encountered a bump or hole on the road surface, which diminishes gradually, depending on the condition of the shock.

Glossary “spring pin” Definition:
Small piece of metal rolled in a pin-like manner that is used to dowel small parts that may occasionally have to be disassembled and reassembled.

Glossary “spring hose clamp” Definition:
Clamp made of spring steel with barbs at each end. Squeezing the open ends expands the clamp for removal. Spring tension holds the clamp in place and in tension.

Glossary “spring leaf” Definition:
A long, flat section of spring steel making up all or part of a leaf spring.

Glossary “spring hanger” Definition:
Vehicle frame bracket for the eye at the front of the rear leaf spring.

Glossary “spring height” Definition:
Dimension from the spring seat to the bottom of the retainer. Measured when the springs are installed.

Glossary “spring hammering” Definition:
Method of bumping damage with a hammer and a dinging spoon.

Glossary “spring chair” Definition:
Term used for axle seat.