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Pad-wear Indicator

A mechanical or electrical warning device on disc brakes that indicates need for pad replacement.

Paddock Area

A designated area behind or near the pit where race cars are tuned and prepared for qualifying and racing.

PAF

Pulse air feeder.

PAFS

Pulse air feeder system.

PAFT

An acronym for Program for Alternative Fluorocarbon Toxicity Testing.

PAG

An acronym for poly alkaline glycol.

Paint

A material, generally containing binders, solvents, and pigments, that is applied as a liquid to a surface, and forms a solid film for decoration and/or protection.

Paint Shop

The area in a repair facility where the vehicle is refinished by refinishing technicians or painters.

Paint, Body And Equipment Association (PBEA)

A trade association of manufacturers, wholesalers, and distributors of vehicle paint and body-shop equipment.

PAIR

Pulsed air injection reaction.

PAIS

Pulsed air injection system.

Pal Nut

A thin pressed-steel nut used to lock a regular nut place.

Pallet

A special platform, usually wooden, used to support and transport, usually by fork lift, components in the shop, or for storage between manufacture and assembly.

Pan

A term often used for oil pan.

Pan Rails

The sides of an oil pan that bolt to the engine block.

Pancake Engine

An engine having opposed pistons, such as a flat four, or a flat six.

Panel Beater

A body shop worker.

Panel Cutter

Special "snips" used to cut through body sheet metal, designed to leave a clean, straight edge that can be easily welded.

Panel Nut

A thin nut used to hold parts or fittings to a firewall or bulkhead.

Panel Truck

An enclosed light truck or van having no windows in the cargo area.