Glossary “pipe dies” Definition:
Tools used to form threads on the outside of a pipe.
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pipe wrench
Glossary “pipe wrench” Definition:
Adjustable wrench for holding and turning round objects. It has sharp jaw teeth that dig into and grasp the part being turned.
Pinto
Glossary “Pinto” Definition:
Paid Inspector Nicely To Overlook, or Put In Nickel To Operate
PIP
Glossary “PIP” Definition:
Profile Ignition Pick-up, or Position Indicator Pulse
pintle
Glossary “pintle” Definition:
Valve like part of a fuel injector that controls the fuel-spray pattern.
pintle hook
Glossary “pintle hook” Definition:
Pin installed in the rear of some vehicles for attaching a tow bar.
pintle valve
Glossary “pintle valve” Definition:
Ball and seat found inside a thermostatic expansion valve, attached to the diaphragm, which causes it to open and close in response to pressure changes. Also found in fuel injectors, to control fuel flow and pattern.
pinpoint test
Glossary “pinpoint test” Definition:
Step-by-step instructions to isolate specific concerns.
pinion seal
Glossary “pinion seal” Definition:
Oil seal for the pinion, in a ring and pinion assembly.
pinion shaft
Glossary “pinion shaft” Definition:
Shaft used to support a pinion bearing and/or pinion.
pinning
Glossary “pinning” Definition:
Using a series of pins to repair and crack in the casting by screwing them into a series of predrilled holes in a manner so that they overlap each other from one end of the crack to the other.
pinion angle gauge
Glossary “pinion angle gauge” Definition:
Used to determine the driveshaft/pinion angle in order to minimize driveline vibration and noise.
pinion bearing
Glossary “pinion bearing” Definition:
Bearing(s) that is used to support the pinion gear in the differential housing.
pinion bearing preload
Glossary “pinion bearing preload” Definition:
Tension between the pinion bearings to keep them at the correct clearance to their bearing races.
pinion carrier
Glossary “pinion carrier” Definition:
The mounting or bracket that retains the bearings supporting a pinion shaft.
pinion factor
Glossary “pinion factor” Definition:
A calculation using the final drive ratio and the tire circumference to obtain accurate vehicle speed signals
pinion gears
Glossary “pinion gears” Definition:
Gears that engage and drive the side gears.
pinion
Glossary “pinion” Definition:
1). Small gear such as at the end of the steering shaft of a rack-and-pinion steering system. 2). Small ring gear such as the planet gears in a planetary gear set. 3). Small gear on the end of a starter drive which rotates the engine flywheel ring gear for starting.
ping
Glossary “ping” Definition:
Mild knock noise from the engine. Secondary rapid burning of the A/F mixture in the combustion chamber causing a second flame front that collides with the first flame front producing a knock noise. Also known as detonation or spark knock.
pinging
Glossary “pinging” Definition:
Light intensity spark knock.