Automotive Glossary
Automotive Glossary
Browse the glossary using this index
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Hold-in WindingA winding in a starter motor solenoid that holds the switch contacts together and the drive pinion in mesh during engine starting. | |
HoldoutThe ability of a surface to keep the topcoat from sinking in and causing a decrease in appearance or gloss. | |
HomogenousUniform in structure or composition throughout. This is usually used to refer to a fuel air mixture in a cylinder that is a 'perfect' mixture of fuel and air. | |
HoneA light grinding process applied to cylinder bores in preparation for the fitting of new pistons. | |
Hooke's JointA drive shaft universal joint consisting of two yokes and a cross bearing. Also Cardan joint. | |
Horizontally OpposedAn engine configuration where cylinder pairs are fitted on opposite sides of the crankshaft. Sometimes referred to as 'Boxer' engines. | |
HorsepowerA measure of power equivalent to 0.746 Kilowatts. Defined by a rate of doing work of 33,000 foot pounds per minute (550 foot pounds per second). | |
HOS HO2SHeated Oxygen Sensor. | |
Hose ClampSimple ring type clamp to seal a hose onto a pipe. | |
Hot Idle CompensatorA device to change idle or mixture settings when an engine is hot. | |