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There are 18 videos in this series:

When a car is totaled, it gets sent to a scrap yard where it is typically disassembled for parts. Find out how a car is totaled if the damage exceeds the car's value with help from an ASE-certified mechanic in this free video on auto damage.

A manual window regulator needs to be taped up so that it doesn't fall when its bolts are removed. Find out how to disconnect wires for a speaker in the door panel when installing a window regulator with help from an ASE-certified mechanic in this free video on auto repair and maintenance.

The simplest way of improving a car's gas mileage through mechanical means is routine maintenance, including replacing spark plugs and making sure belts are all in good shape. Make sure transmission fluid and air filters are up-to-date with help from an ASE-certified mechanic in this free video on auto maintenance and gas mileage.

An oxygen sensor can be changed in order to increase fuel economy, and a new oxygen sensor can be installed by hand, using a socket only to tighten it down. Discover ways to tell that an old oxygen sensor needs to be replaced with help from an ASE-certified mechanic in this free video on auto maintenance.

A CDL is a commercial driver's license, and specific driving schools are set up to teach people how to get their commercial driver's license. Drive semi tractor trailers, haul industrial supplies or run tankers with help from an ASE-certified mechanic in this free video on driver's licenses.

An intake manifold leak is best determined by listening for a loud hissing noise that occurs when the engine is running. Discover how to use soapy water to confirm an intake manifold leak in a car with help from an ASE-certified mechanic in this free video on auto repair and maintenance.

A Bondo body patch is simple to use, and the first step is mixing a small amount of body patch with a screwdriver or putty knife. Avoid using too much Bondo body patch with help from an ASE-certified mechanic in this free video on auto repair and maintenance.

It's difficult to troubleshoot an electronic ignition system at home, because the symptoms have become so complex that the diagnosis requires expensive equipment. Take a car to a local garage to have electronic ignition problems diagnosed with help from an ASE-certified mechanic in this free video on auto repair and maintenance.

There are different kinds of actuators, some of which work with magnets that are actuated by coils and springs. Find out how stepper motors work with help from an ASE-certified mechanic in this free video on car actuators.

The first step in changing a fuel injector is to make sure that there's no fuel on the rail before pulling the fuel pump fuse out and letting the engine die. Find out how to unhook and replace fuel injectors with help from an ASE-certified mechanic in this free video on auto maintenance.

An automotive battery can be tested through the use of a simple multimeter, which when hooked up should always read 12.5. Discover how low a battery should fall before getting it replaced with help from an ASE-certified mechanic in this free video on auto maintenance.

The best way to remove minor key scratches from a car is with a polishing compound or light rubbing compound and a wet rag. Rub polishing compound into scratches on a car with help from an ASE-certified mechanic in this free video on auto repair.

The easiest way to determine what type of transmission fluid a car uses is by looking at the owner's manual. Look at a car's dip stick for information on the type of transmission fluid a car uses with help from an ASE-certified mechanic in this free video on auto maintenance.

Dual exhaust doesn't increase gas mileage, but it does increase a car's performance. Find out why a person who uses dual exhaust may see a slight increase in gas mileage for their car with help from an ASE-certified mechanic in this free video on auto maintenance.

In order to remove rust from hubcaps, the best and safest product to use is some kind of penetrating oil with a rag or soft steel wool. Avoid taking the clear coat off of a rim by using acidic products with help from an ASE-certified mechanic in this free video on auto repair and maintenance.

Driving with a manual transmission will only save gas money if a person drives responsibly and conservatively. Discover why a person who uses a manual transmission shouldn't hope for much of an increase in gas mileage with help from an ASE-certified mechanic in this free video on auto maintenance and fuel economy.

In order to get rid of oxidation off of a car's headlight lens, an individual will need to use polishing compound and a damp cloth. Go back over a headlight lens with water after treating it for oxidation with help from an ASE-certified mechanic in this free video on auto repair and maintenance.

Leaf springs are a type of suspension system for a car, much like shocks, and they are designed to take the bounce of a curb or a pothole. Find out how the force of a bump is smoothed out by leaf springs with help from an ASE-certified mechanic in this free video on auto parts and how they work.
Tom Brintzenhofe Thomas Brintzenhofe has been a certified mechanic for more than 14 years and a certified master mechanic for more than eight years. He is a General Motors certified driveability technician, an Automotive Service Excellence (ASE) certified mechanic and a trained automotive instructor. Brintzenhofe owned and operated a fully functional automotive repair garage for four years. He currently works as an industrial heavy equipment mechanic for International Steel Group in Coatesville, Pa.dkdk
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