Type of engine that does not use spark plugs

These support a vehicle after it is raised with a floor jack

Measures small clearances or gaps between parts

Used for cutting internal threads in holes

Letters or groups of letters that stand for entire words

Shaft that controls the opening of an engine's valves

Type of hammer filled with small metal balls called lead shot

Measures part movement in thousandths of an inch

Cuts external threads

Booklet given to the purchaser of a new vehicle that contains basic information about operation and maintenance

System that maintains constant operating temperature for optimum combustion efficiency

Strongest wrench configuration; fully surrounds the head of a bolt

Used to apply a specific amount of twisting force to a fastener

Name for a bolt that is threaded into a part without the use of a nut

A number code, usually found on the dashboard, that indicates engine type, transmission type, and other useful information

System that reduces friction and wear between internal engine parts

Type of pliers with sharp, pointed tips for installing and removing a special type of internal or external clip

Used to measure negative pressure

Soft, flexible material placed between stationary parts to prevent leakage

Type of manual used to calculate how much labor to charge for a repair

Contains the transmission and differential as one assembly

Pneumatic (air powered) wrench designed for working in limited spaces

Measuring system that uses a power of 10 for all basic units

Prevents leakage between a stationary part and a moving part

Form used to record information about a vehicle that is being serviced, often used as an invoice for the customer