Diesels & Hybrids

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How to Check a Vehicle's Coolant/Antifreeze

The radiator in your vehicle cools your engine and needs water and coolant (antifreeze) to function. Keep the following points in mind as you check the level of the liquid in your cooling system and add [more…]

How to Check Your Vehicle's Oil Level

You should check your car's oil at least once a month to make sure that there’s enough oil and that it isn’t contaminated. Oil reduces the friction in your engine and keeps it running smoothly. When you [more…]

How to Check Automatic Transmission Fluid

If your vehicle hesitates when your automatic transmission shifts gears, check the transmission fluid level before you let any mechanic start talking about servicing or adjusting your transmission or selling [more…]

How to Tell Whether Your Vehicle Needs a Tune-up

Tune-up intervals vary from one vehicle to another. Most older vehicles with non-electronic ignitions should be tuned every 10,000 to 12,000 miles or every year, whichever comes first. Newer cars with [more…]

How Often You Should Change Your Oil?

Dirty oil just doesn’t do the job as well as fresh oil does. The additives in dirty oil boil out, contaminants form in the crankcase and eat metal parts, and water collects over time and forms sludge. [more…]

The Pros and Cons of Diesel Engines

If you’re considering buying a new automobile, compare the pros and cons of diesel-powered vehicles. Consider these facts to help you decide between a diesel-powered engine and a gasoline-powered one: [more…]

How Do Diesel Engines Work?

The basic difference between a diesel engine and a gasoline engine is that in a diesel engine, the fuel is sprayed into the combustion chambers through fuel injector nozzles just when the air in each chamber [more…]

Understanding Diesel Fuels

Diesel fuel is more efficient than gasoline because it contains 10% more energy per gallon than gasoline. But there are a few kinds of diesel fuel: Just as gasoline is rated by its octane, diesel fuel [more…]

Basic Do-It-Yourself Diesel Engine Maintenance

Regular maintenance is absolutely imperative if you want a diesel engine to last, and every diesel owner will probably encounter some pitfalls and problems. Although diesel engines require no ignition [more…]

Engine Oil: The Difference between Gasoline and Diesel Engines

Just like regular gasoline engines, diesel engines require regular maintenance that involves changing the lubricating oil that keeps your vehicle's parts running smoothly. If you can change the oil on [more…]

Tips for Changing a Diesel Engine's Air and Fuel Filters

The air filter setup on most diesel engines is the same as on gasoline-powered vehicles, with the filter located inside the cold air collector box located under the hood. Most diesels have two fuel filters [more…]

Draining a Diesel Engine's Water Separators

Diesel fuel can easily become contaminated by water because diesel fuel absorbs water more than gasoline does. For this reason, many diesel vehicles feature a gadget called a water separator that collects [more…]

How to Jump-Start a Diesel-Powered Automobile

Even though diesel-powered vehicles can have dual batteries or one oversized battery, it’s possible to jump-start a diesel from the battery on a conventional gasoline-powered vehicle. If your diesel won’t [more…]

Using an Engine Heater in a Diesel Engine for Cold-Weather Starts

Because diesel engines require much higher temperatures to fire the fuel, they’ve always been harder to start in cold weather than gasoline-powered vehicles. To warm things up before the engine can run [more…]

What Is Ethanol?

All cars used to run on the same type of fuel, but now gas stations offer not only unleaded gasoline but alternative fuels, such as ethanol, diesel, biodiesel, and others. Ethanol in particular has started [more…]

What Are Hybrid Vehicles?

Hybrid vehicles are called hybridsbecause they use both a small internal combustion engine (ICE) and an electric motor to obtain maximum power and fuel economy with minimum emissions. How they do this [more…]

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