Repair The Problems With Your Car Effectively

Learning what you can about auto repair may seem like a lot of work, but you can make it simpler. Teaching yourself about cars can really help later on. The following articles has a collection of great advice that will help you do your own auto repairs.

Get a reliable battery charger and be sure it is always in your vehicle. Learn how to connect your car to the charger with ease.

Ask mechanics if they have done work on your particular make and model of vehicle before. If they have before, they probably know what it takes to make the needed repairs.

Do not be afraid to ask lots of questions whenever you take your vehicle to the auto shop. Make sure that you are specific with your questions when you pose them. One of the best ways to save on car maintenance is to prevent problems in the first place. A little money spent for prevention can save thousands in the future.

Go over your automobile’s manual and make sure to mark important pages. You may even find the answer to a problem in your car manual and fix the problem yourself.

Watch out for obvious warning signs that your mechanic is not to be trusted. If they talk to you in circles or they don’t pay attention to your questions, you should keep looking. You need to be able to trust the person doing your repairs, so go elsewhere.

Keep a spare tire and a jack in your trunk. A lot of cars come equipped with them. You would hate to be stuck somewhere you don’t know and need to pay a lot for towing.You can save a lot by performing tasks yourself.

Whenever you have your vehicle repaired, ensure you maintain an adequate record, regardless of the reason why you are having repairs. If you experience future problems with your vehicle, this past record will help the mechanic in diagnosing the problems. If you don’t have a record of past work, it may cost you money and make it hard for the technician to diagnose the problem.

Replacing a burnt-out headlight or taillight is much cheaper when you both time and money. It’s simpler in some vehicles than others, but it’s more cost effective than hiring a mechanic.See if you know can get instructions from someone you a lesson.

The weight of a big key chain. If your key starts sticking, its time to replace the tumblers and say goodbye to your troll buddy!

Just because it is winter does not mean you should quit washing your vehicle. Winter is when your car’s exterior gets the most damaged. Salt and sand from frozen streets can cause rust and other flaws.

Look at the reviews of local auto shops online. You will get a great idea of how the shop operates this way. You can use the information to find a place you’ll feel comfortable spending your money at.

Don’t let a mechanic insist that getting an engine flush is part of a normal maintenance visit. This service and not be necessary.

Don’t allow people to sell auto parts that come with a promise of lasting a lifetime. This is total spin – just a sneaky way for unscrupulous parts dealers to get more money out of your cash. One example is that some vehicles say their transmission fluid.While this won’t have to be changed often, you should still change it every 80,000 miles or so.

If you’re able to perform basic car repairs, then you don’t need to be scared every time you have car trouble. You can rely on yourself and save money instead of going to the mechanic! Use the tips from this article and take the time to do more research on this topic.

Always get a second opinion, a reputable mechanic will not be offended because he knows his diagnosis will be confirmed. Although most auto shops are reliable, you don’t want to pay too much. Take your time and find a shop you feel you can trust. Also, look for someone who has experience with your type of car. These shops are better equipped to handle your car repairs.

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Auto Repair: "Diesel Engine Governors" 1942 US Navy Training Film 13min

more at http://auto-parts.quickfound.net/

OPERATION OF DIESEL ENGINE GOVERNORS, OVERSPEED, OVERSPEED TRIP AND REGULATING GOVERNORS.

Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).

US Navy training film

Reupload of a previously uploaded film with improved video & sound.

http://en.wikipedia.org/wiki/Diesel_engine

The diesel internal combustion engine differs from the gasoline powered Otto cycle by using highly compressed hot air to ignite the fuel rather than using a spark plug (compression ignition rather than spark ignition).

In the true diesel engine, only air is initially introduced into the combustion chamber. The air is then compressed with a compression ratio typically between 15:1 and 22:1 resulting in 40-bar (4.0 MPa; 580 psi) pressure compared to 8 to 14 bars (0.80 to 1.4 MPa) (about 200 psi) in the petrol engine. This high compression heats the air to 550 °C (1,022 °F). At about the top of the compression stroke, fuel is injected directly into the compressed air in the combustion chamber. This may be into a (typically toroidal) void in the top of the piston or a pre-chamber depending upon the design of the engine. The fuel injector ensures that the fuel is broken down into small droplets, and that the fuel is distributed evenly. The heat of the compressed air vaporizes fuel from the surface of the droplets. The vapour is then ignited by the heat from the compressed air in the combustion chamber, the droplets continue to vaporise from their surfaces and burn, getting smaller, until all the fuel in the droplets has been burnt. The start of vaporisation causes a delay period during ignition and the characteristic diesel knocking sound as the vapour reaches ignition temperature and causes an abrupt increase in pressure above the piston. The rapid expansion of combustion gases then drives the piston downward, supplying power to the crankshaft. Engines for scale-model aeroplanes use a variant of the Diesel principle but premix fuel and air via a carburation system external to the combustion chambers...

Fuel delivery

A vital component of all diesel engines is a mechanical or electronic governor which regulates the idling speed and maximum speed of the engine by controlling the rate of fuel delivery. Unlike Otto-cycle engines, incoming air is not throttled and a diesel engine without a governor cannot have a stable idling speed and can easily overspeed, resulting in its destruction. Mechanically governed fuel injection systems are driven by the engine's gear train. These systems use a combination of springs and weights to control fuel delivery relative to both load and speed. Modern electronically controlled diesel engines control fuel delivery by use of an electronic control module (ECM) or electronic control unit (ECU). The ECM/ECU receives an engine speed signal, as well as other operating parameters such as intake manifold pressure and fuel temperature, from a sensor and controls the amount of fuel and start of injection timing through actuators to maximise power and efficiency and minimise emissions. Controlling the timing of the start of injection of fuel into the cylinder is a key to minimizing emissions, and maximizing fuel economy (efficiency), of the engine. The timing is measured in degrees of crank angle of the piston before top dead centre. For example, if the ECM/ECU initiates fuel injection when the piston is 10 degrees before TDC, the start of injection, or timing, is said to be 10° BTDC. Optimal timing will depend on the engine design as well as its speed and load.

Advancing the start of injection (injecting before the piston reaches to its SOI-TDC) results in higher in-cylinder pressure and temperature, and higher efficiency, but also results in elevated engine noise and increased oxides of nitrogen (NOx) emissions due to higher combustion temperatures. Delaying start of injection causes incomplete combustion, reduced fuel efficiency and an increase in exhaust smoke, containing a considerable amount of particulate matter and unburned hydrocarbons...
Automotive