Glossary “idler arm” Definition:
Pivoting component that supports the right side of the steering relay rod in much the same manner as the pitman arm supports the left side.

Glossary “idler eccentric” Definition:
Device used in a belt-drive system using the idler pulley as a means of tightening the belt.

Glossary “idler gear” Definition:
1). A gear connecting two other gears in a manner so that they will turn in the same direction. 2). A gear that transmits movement between the drive and the driven gears, but does not affect the speed relationship of those gears.

Glossary “idler pulley” Definition:
A pulley that is used to adjust the belt in a belt-driven system.