Auto Repair & Mechanics: Video Series

A vernier caliper is an instrument that is used for measuring objects in a precise manner, and many vernier calipers will be broken into increments of 1/128th of an inch. Learn about digital calipers that have replaced vernier calipers with help from an auto mechanic in this free video on car repairs and mechanics.

The clutch in a car is responsible for transmitting power between the engine and the transmission in vehicles that use a manual transmission. Use a clutch to stop or change gears without doing damage to the gears in a vehicle's transmission with help from an auto mechanic in this free video on car repairs and mechanics.

A micrometer is a precision measuring instrument, and reading one involves looking at both the barrel and the dial. Learn about the subdivisions and incremental measurements of micrometers with help from an auto mechanic in this free video on car repairs and mechanics.

In order to wire a car relay, an individual can usually follow the wiring schematic that is molded into the side. Find out how to get power to flow from pin 30 to pin 87 with help from an auto mechanic in this free video on car repairs and mechanics.

Testing a car relay involves the use of a 12-volt source, such as a car battery, and a multimeter that is capable of reading resistance. Find out how to listen for clicks and tones that indicate a functioning relay with help from an auto mechanic in this free video on car repairs and mechanics.

A car relay is an electromagnetic switch that allows a person to run a higher current application than that which would normally exceed the capacity of a standard toggle switch. Discover how the relay is closed to allow current to flow between pins with help from an auto mechanic in this free video on car repairs.

Motor starters are powerful 12-volt motors that are designed to turn over a car's engine to allow it to start. Learn about signs of a failing starter motor with help from an auto mechanic in this free video on car repairs and mechanics.

Fuel pumps are responsible for delivering gasoline from fuel tanks to engines, and fuel pumps that are going bad will typically become noisier. Listen for a hum coming from behind the seat when a fuel pump is going bad with help from an auto mechanic in this free video on car repairs.

Removing a car door panel begins with removing any items that may be holding the door panel to the door that are not clearly visible. Discover how to remove a door latch, and what tools are needed to remove car door panels with help from an auto mechanic in this free video on car repairs.

Car voltage regulators are usually tested with a multimeter, which is clamped directly onto a car battery's terminals. Find out why a car battery should have 12 volts with the car off with help from an auto mechanic in this free video on car repairs and mechanics.

When troubleshooting the pump of a windshield washer, attach negative leads to the ground and positive leads to the positive to listen for the pump turning over. Check the wiring harness for a windshield washer pump with help from an auto mechanic in this free video on car repairs.

A brake master cylinder is made up of a main body that has a piston and a reservoir, and when the pedal is pressed, a linkage pushes on the piston to compress the brake fluid that is pushed through the brake lines to the individual cylinders. Discover how cylinders put pressure on brake pads with help from an auto mechanic in this free video on car repairs and mechanics.

Changing a car's oil pressure sensor involves locating the sender, removing the connector, backing out the hex, putting a new one in and then tightening it. Learn about signs of a failing oil pressure sensor with help from an auto mechanic in this free video on car repairs.

Grease guns have replaceable cartridges that slide into the barrel of the gun, and there's a foil that gets removed from one end of the gun, and this simply threads into the trigger part of the gun. Connect the connector and squeeze the handle to get grease to come out with help from an auto mechanic in this free video on car repairs and mechanics.