Monday 28 July 2014

Brake Service: Headed for Brake Repair?


As you know, the braking system is a complicated process involving various components working together to perform one important function—stop your car! When you step on the brake pedal, you expect your vehicle to come to a quick stop. If that isn't happening, you know that something isn't right and it's time to schedule a brake service. A professional auto mechanic can determine whether a minor brake repair is all that is needed, or if you're headed for a complete brake replacement.

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A Yearly Brake Service: 

Mark your calendar for a brake service for at least once a year. A brake service should include checking the pads, rotors, and other vital components of the braking system. If you wait until you hear or feel signs of trouble before making an appointment, more than likely it's already too late and you will be headed for a brake repair. One smart tip is to have an inspection every time you rotate your tires (about every 5,000-10,000 miles).

If a problem is discovered, have it taken care of right away. If you wait too long, you may be looking at a complete brake replacement due to permanent damage (such as warped rotors). This will cost significantly more than a minor brake repair.

Are you needing a brake service to inspect the safety of your braking system? Contact our ASE Certified Technicians at Wentland Diesel Service by calling 541-938-3875 or go on-line at http://www.wentlanddiesel.com/ for more information. Our one-stop auto shop provides car and truck repair, including diesel fuel injection service, to the vehicle owners in Milton-Freewater, OR, Walla Walla, WA, Pendleton, OR and surrounding areas.

Monday 21 July 2014

An Auto Shop Advises: Is it possible to get better MPG with the A/C running?

As summertime continues to heat up and gas prices start to rise, some drivers may have to make a difficult decision as to: whether or not to run the air conditioning while driving? An auto center would like to offer some professional advice. Please read more to find out what this auto shop has to say:

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Most people think that turning the A/C off might be more cost effective than driving with it running. However, what a lot of people don't know is that driving with the windows down can have a similar effect on the engine, and subsequently, the mileage. When the windows are down while driving, more drag force is created, causing the engine to exert more energy to propel the car forward, and thus reducing gas mileage.

So if running the A/C is more cost-efficient, then why does it seem like your tank is constantly being drained and you are headed to an auto center to fill up or for an A/C service?

Consider these three issues when deciding to use, or not to use, the A/C:


  1. Size of Vehicle: While it's true that most small cars with smaller engines (like 4 cylinders) have better overall gas mileage, they generally have to work harder to generate the electricity needed to run the A/C. In this case, it could be more efficient to drive with the windows cracked slightly, and with the fan going, instead of the A/C.
  2. Type of Trip: If you're planning to do a lot of stop-and-go city driving, it's more fuel efficient to leave the air off and the windows down. Watch your speed and drag force, however, as it affects engine performance and MPG.
  3. Frequency of Maintenance: Like every other part of your car, the air compressor and system that works to cool down your car must be regularly serviced at your auto shop in order to keep it performing most efficiently. Regularly changing the air filter will keep your A/C running without unneeded trips to your auto shop for repairs. Ask your auto center about air conditioning service plans or specials.

Tip to Remember: You can minimize running the air conditioner by parking your car in shaded areas, crack the windows open slightly, and allow the car to cool off before entering.

Worried about your vehicle's A/C? Contact our ASE Certified Technicians at Wentland Diesel Service by calling 541-938-3875 or go on-line at http://www.wentlanddiesel.com/ for more information. Our one-stop auto center provides car and truck repair, including diesel fuel injection service, to the vehicle owners in Milton-Freewater, OR, Walla Walla, WA, Pendleton, OR and surrounding areas.

Diesel Fuel Injection Service: Diesel vs. Gas

You may be wondering, should I buy a diesel powered truck, or a gas powered truck? Here are some facts to consider before making your decision. One big difference between a diesel engine  and a gas engine is in the injection process. Most car engines use port injection or a carburetor. A carburetor mixes air and fuel long before the air enters the cylinder. In a car engine, therefore, all of the fuel is loaded into the cylinder during the intake stroke and then compressed. Diesel engines use direct fuel injection -- the diesel fuel is injected directly into the cylinder.

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The injector on a diesel engine is its most complex component. The injector has to be able to withstand the temperature and pressure inside the cylinder and still deliver the fuel in a fine mist. Getting the mist circulated in the cylinder so that it is evenly distributed may be a problem, so some diesel engines employ special induction valves, pre-combustion chambers or other devices to swirl the air in the combustion chamber to improve the ignition and combustion process.

Some diesel engines contain a glow plug. When a diesel engine is cold, the compression process may not raise the air to a high enough temperature to ignite the fuel. The glow plug is an electrically heated wire that heats the combustion chambers and raises the air temperature when the engine is cold so that the engine can start. Smaller engines and engines that do not have advanced computer control use glow plugs to solve the cold-starting problem. Glow plugs are rarely used today on larger engines. The ECM senses ambient air temperature and retards the timing of the engine in cold weather so the injector sprays the fuel at a later time. The air in the cylinder is compressed more, creating more heat, which aids in starting.

If you want a truck with lots of towing power, a diesel fuel injection system is the only way to go. If you want a fuel efficient commuter car for urban driving, consider a hybrid car, a turbo diesel-powered car, or a hybrid SUV. Diesel fuel injection engines are much better than gasoline engines in thermal efficiency. They have higher compression ratios and ability to run on very lean fuel mixtures, which enables them to get about 30% better fuel economy than a gasoline engine.

Have questions about diesel fuel injection vs. gasoline powered vehicles? Contact our ASE Certified Technicians at Wentland Diesel Service by calling 541-938-3875 or go on-line at http://www.wentlanddiesel.com/ for more information. Our auto shop provides car and truck repair, including diesel fuel injection service, to the vehicle owners in Milton-Freewater, OR, Walla Walla, WA, Pendleton, OR and surrounding areas.