Yearly Archives: 2017

Higher Mileage Service Intervals for Wilmot

Wilmot drivers have probably noticed that the government mandates a lot of equipment on cars: emission devices and control computers, safety equipment like airbags and crash worthiness requirements. All of this is great for the motoring public in the Wilmot area, but it does add quite a bit to the price of a new car.Because new cars are more expensive, Wilmot residents are driving their old cars longer. The average car is now over nine years old. 68% of vehicles on the road have more than 75,000 miles/120,000 kilometers. As cars age, their performance drops, they have difficulty idling for long periods and are more sensitive to weather extremes. Fortunately today's cars are up to the challenge - but they need a little help to keep on going.Some owner's manuals don't outline service requirements and schedules at higher mileage. Of course, that doesn't mean it doesn't have to be done. In fact, it's more important than ever for Wilmot drivers to stay on top of routine aut ... read more

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Fuel System

Fuel Injectors

The last new American vehicles sold in Wilmot with a carburetor rolled out of the NH dealerships in 1990. Since then, all new vehicles here in Wilmot, and nationally, have had fuel injectors. In very simple terms, a fuel injector is a valve that squirts fuel into your engine. Your engine control computer tells the fuel injector how much gas to deliver as well as the precise time it should be delivered. Of course this happens thousands of times a minute. Fuel injectors deliver fuel far more precisely than carburetors. That translates into better fuel economy and more power for Wilmot drivers. Virtually all fuel injectors for gas engines are known as port fuel injectors because they deliver the fuel to a port just outside the cylinder. Port fuel injectors operate at about 40 to 80 pounds per square inch of pressure.A few vehicle manufacturers have introduced gas direct injection systems on some engines recently. These systems inject the gas directly ... read more

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Fuel System

Timing Belt Service to Save Big Bucks in Wilmot

Your engine is like a finely choreographed dance. All the parts have to work together. If the timing is off at the ballet, dancers crash into each other and fall down. It the timing is off in your engine, it may not run at all. One of the most intricate dances in your engine has to do with the combustion cycle.Your vehicle engine has cylinders in which a piston travels up and down. At the top of the cylinders are valves that open to bring in the air and fuel. And there are valves that open to let out the exhaust after the fuel has been burned. Call Walker Automotive at 603.526.4848 for answers about your timing belt, or drop by our Wilmot, NH, service center on 3 Deerwood Drive. It's critical that the values be timed to open and close at precisely the right time in the combustion cycle, or the engine will run poorly or not at all.The timing belt is responsible for rotating the shafts that ... read more

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Timing Belt

Walker Automotive Radiator Service

The coolant system is a vital part of your vehicle. It is also the second most common cause for vehicle failures. Even though coolant system failure is fairly common in Wilmot, it is easy to prevent. The most recognizable part of the coolant system is the radiator. It is connected to the engine with hoses and is filled with coolant. The coolant draws heat off the engine and then passes into the radiator. Air passes through cooling fins to reduce the temperature of the coolant and then it's back to the engine again.There are several ways for the cooling system to fail. Most common is with the coolant itself. Coolant is comprised of water and antifreeze. The proper ratio keeps the coolant from either boiling away or freezing. Understandably, either can lead to massive engine damage.Another coolant issue that is often overlooked by Wilmot drivers is the age of the coolant itself. Antifreeze has additives that protect the coolant system from corrosion. As these additives a ... read more

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Cooling System

Watching Your Check Engine Light

Did you know that most of the cars driving around Wilmot, NH, carry more computer power than the Apollo 121 Lunar Module that landed on the moon in 1969?New cars sold in the Wilmot area have as many as 12 networked computers and over five miles (eight kilometers) of wiring. In fact, for the last decade or so, auto computers have been controlling about 85 percent of your vehicle's functions.Cars have sensors for manifold air temperature, coolant temperature, manifold air pressure, airflow, throttle position, vehicle speed and oxygen content. All of this electronic wizardry is pretty complicated. So how do Wilmot drivers know when there is a problem?It's simple; the Check Engine light comes on. The computer monitors all the sensors and uses that information to decide what to adjust such as the fuel mix, spark timing and idle speed. In addition, the computer monitors its own circuits. When it finds a fault, it turns on the Check Engine light and stores a trouble code in the computer ... read more

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Dashboard

Beware of Cheap Tires in Wilmot

Do you like to shop for shoes in Wilmot?When buying a running shoe, is quality important?Does durability matter as long as the shoes look fabulous?Would you rather have one pair of long lasting shoes or two pairs of lower quality shoes at the same price?Is the warranty important when buying tires? Wilmot drivers should also think about the safety aspect of tires. The tires do a lot of work – they carry the weight of the vehicle and you and your passengers. You want to be sure they hold the road and provide good traction on NH freeways and surface streets. If you carry heavy loads or tow a trailer on NH highways, the tires need a high load rating.Ask your friendly and knowledgeable Wilmot tire professional at Walker Automotive. I think it's important that Wilmot residents understand the effect of price on a tire's quality, performance and durability. When I was a kid, my dad would say, “Pay twice as much and buy half as many.&r ... read more

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Tires and Wheels

Clean Fuel Makes a Happy Engine in Wilmot, NH

If the fuel system in your vehicle is dirty, you will be hurting your engine and losing performance as you drive around Wilmot, NH.Unless they drive a vintage car, Wilmot auto owners have fuel injectors which need to be properly maintained. That is why your vehicle owner's manual has a schedule for cleaning your fuel injectors and other parts of your fuel system.Your friendly and knowledgeable service advisor at Walker Automotive in Wilmot has the tools and chemicals to do the job right. Walker Automotive uses a process that gives your car a deep, professional fuel system cleaning. The particles, gum and varnish that build up in your fuel system are removed so that it can run cleanly and efficiently.After a professional fuel system cleaning atWalker Automotive, you'll notice more power, improved and reduced exhaust emissions. We strongly recommend you follow your fuel system cleaning service recommendations to keep your vehicle ru ... read more

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Fuel System

Right or Left? Walker Automotive Power Steering Service

Have you ever driven a vehicle without power steering? If you have, then you probably appreciate how much easier it is to drive today's modern vehicles. Before power steering, all of the force to turn a vehicle had to come from the driver's arms. That's why old cars had such large steering wheels: they needed plenty of leverage to steer. There were some Wilmot folks who had difficulty driving because they just weren't strong enough.Power steering is now standard on all vehicles, but there are several ways that power can be delivered. Most vehicles use a hydraulic power steering system system. In this system, a serpentine belt from the engine powers a pump that pressurizes the power steering fluid. The pressure activates hydraulics that provides steering power.Other vehicles use an electric pump to pressurize the power steering fluid rather than the belt-driven pump. Some newer vehicles actually have electric motors that provide steering power and don't use steering flu ... read more

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Steering

Automotive Tips from Walker Automotive: Serpentine Belt System Wear

The primary job of the serpentine belt for Wilmot drivers is to provide important traction to spin the accessories. As the belt wears it loses some of its grip and the accessories may not spin at optimal speeds. For example, if your alternator doesn’t spin fast enough, the battery will not completely recharge while you’re driving and you could end up stranded around Wilmot with a dead battery. In short, a worn serpentine belt will stress all of the accessories it powers leading to premature wear and possible early replacement. When as little as 5% of belt material is lost, the serpentine belt cannot provide the proper traction for the accessories. Your friendly and professional Walker Automotive service advisor can inspect your belt for excessive wear and replace your serpentine belt system if it’s excessively worn.Give us a call.Walker Automotive3 Deerwood DriveWilmot, NH 0328760

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Serpentine Belt

Automotive Tips from Walker Automotive: Alignment Inspection

Uneven tire wear, the car pulling to one side or a steering wheel that is off-center are signs for Wilmot drivers that their wheels may be out of alignment.When doing an alignment inspection, the service advisor at Walker Automotive will inspect your tires for uneven wear as well as suspension and steering parts for signs of wear or damage. He?ll also compare your current alignment with the vehicle manufacturer?s settings.Your vehicle owner?s manual will have a recommendation for when to check alignment. Of course, this recommendation is based on normal driving. If you have been in a crash, hit a curb/pothole, frequently drive off-road around Wilmot, or notice any symptoms of misalignment, have your Walker Automotive service advisor perform an important alignment check.Walker Automotive3 Deerwood DriveWilmot, NH 0328760

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Alignment
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