Posted on 8/18/2015
Wilmot residents know that engines burn fuel to operate. Fuel is pumped from your fuel tank to your engine where it is squirted—or injected—into your engine's cylinders. This is the function of the fuel injectors.There are two ways to inject fuel into an engine. Fuel needs air to burn, so in the first method, fuel is injected into a port and allowed to mix with air—and before it is drawn into the cylinders. In the second method, fuel is injected directly into the cylinders and mixes with air after it enters the engine.Direct injection engines burn fuel more efficiently than conventional engines. Some models can deliver the power of a V8 with the economy of a V6.For example, in one family of engines, the conventional version (a V6) delivers about 250 horsepower. The direct injection version delivers over 300 horsepower and gets about the same . The turbocharged version delivers 350 horsepower.Why the big difference in power? Direct inj ... read more
Posted on 7/28/2015
Nowadays, Wilmot drivers are paying more at NH gas pumps. For some families it adds up to several hundred dollars every month. That's got to come out of the budget somewhere. This is one of the reasons many NH drivers are putting off buying a new car. They plan on keeping their old vehicle for a year or two longer than before.Even now, 2/3 of the personal vehicles on our local Wilmot, NH, roads have over 75,000 miles (120,000 kilometers) on them. The average age of vehicles is over nine years. And most people in the Wilmot area can't afford to be stranded or inconvenienced by a breakdown. So following a regular maintenance schedule, like personal diet and exercise plans, is actually critical to preserving your investment.Determining what to do for a higher-mileage vehicle can be challenging because many owner's manuals don't publish service intervals after 60,000 miles (100,000 kilometers). Thus, Wilmot drivers need to be better at keeping records and planning for preventive maint ... read more
Posted on 7/22/2015
When I was a kid, my dad always made sure he took the cars in for Spring and Fall checkups. I was telling a friend that it's about time to get into Walker Automotive for a checkup and he said that he read on the internet that modern cars don't need seasonal service.My friend is (technically) right about some things, but from a practical standpoint, a seasonal check up still makes sense.Back when my dad was teaching me about how to take care of the family vehicle, most of them used a different weight of oil in the winter and in the summer. But most of today's modern engines run the same oil year round. High-tech engines and high-tech motor oils are better able to handle the seasonal changes.Your owner's manual or Wilmot service advisor at Walker Automotive can tell you the right oil to use.Of course, you're concerned about the coolant or antifreeze. You don't want to overheat in the NH summer or freeze up in the wi ... read more
Posted on 7/2/2015
For those of you in Wilmot, NH who pay attention to these things, you may have been hearing about the new direct injection engines and want to learn more about them. Some deliver the power of a V8 with the economy of a V6.For example, in one family of engines the conventional V6 makes about 250 horsepower. The direct injection version of the same engine makes over 300 horsepower and gets essentially the same fuel economy. The turbocharged version makes over 350 horsepower.So what are the differences from a conventional engine?The core difference is in the fuel injection system. The system most vehicles use now is called a port injection system. The fuel injector squirts fuel into a port just outside the cylinder where it's then drawn into the engine with the air.With a direct injection system, the injector squirts the fuel directly into the cylinder. The gain in power and economy come because fuel injected directly into the cylinder dur ... read more
Posted on 6/30/2015
The drive train in your vehicle includes all the components that transfer power from the transmission to the wheels. Those components differ depending on what type of vehicle you drive, namely, front-wheel drive, rear-wheel drive, all-wheel drive or four-wheel drive. The preventive maintenance your driveshaft needs will also differ by what type of vehicle you drive.Let's start with front-wheel drive. In this vehicle, the transmission and the differential are combined in one component, known as the transaxle. The transaxle is connected to two half-shafts (axles), which are then connected to the wheels with a constant velocity (or CV) joint, which is protected by an airtight rubber boot.Walker Automotive service for this type of driveline includes servicing the transaxle and inspecting the CV boot. If the boot is damaged, the CV joint will need to be inspected, and the boot will need to be replaced. If you hear a clicking noise ... read more
Posted on 6/18/2015
Imagine you've left Wilmot and you're up in the arctic on a dog sled.Your dog team is pulling straight and true. You can cover a lot of ground quickly. Now imagine what would happen if one or two of the dogs wanted to go their own way and were pulling off to the side.That would slow you down. You would have to work harder to keep the sled going where you want it. The dogs are all working as hard as before, but you're covering less ground for the same effort.You're wasting kibble.The same is true of your vehicle when the wheels are out of alignment. That wheel that's pulling to the side is dragging down the rest of the vehicle; so you push a little harder on the gas pedal to keep up your speed. You're wasting gas.So have your wheel alignment checked at least once a year. It is important to get it checked right away if you feel the vehicle pulling to one side.Sometimes we Wilmot residents bump a curb or hit a pothole and knock our wheels out of alignment. An accident can take the wh ... read more
Posted on 4/30/2015
If you're reading this article in Wilmot, NH, then you probably care about your vehicle and how it runs. Even though you care, there is still that moment of dread when your professional service advisor at Walker Automotive tells you the manufacturer recommends some additional service. Your heart beats a little faster, your blood pressure rises. You worry about spending more money than you had planned. And you worry that if you say "no," you might be harming your vehicle or risking your family's safety. At the risk of sounding like your dad, you really should have done your homework. Service recommendations are in your owner's manual. But it is not like you want to keep your vehicle auto maintenance schedule on your nightstand for bedtime reading.Vehicles are complicated machines and it takes some effort for Wilmot residents to keep them running well. That is why they have maintenance schedules that explain how to keep your vehicle performing efficiently and ... read more
Posted on 4/22/2015
Today's tires and wheels offer a lot of options for every Wilmot driver's style, habits and driving conditions.Tires are designed for high-performance in winter or summer and even come in a long-wearing variety for all NH seasons.Wilmot off-roaders should be excited about the options available to them as well. The tread on off-road tires is designed to handle the wear from bumps and rocks. The tires' high profile protects rims from damage.But what if you own an SUV but aren't interested in off-roading around NH? You can change out those high-profile beasts for a lower, wider look if it suits your style.Walker Automotive tire professionals can offer great auto advice on how to choose tires that match your needs and style.If you just need to purchase new tires, a tire professional at Walker Automotive can also help you select the tires that are best for your driving needs and habits. The right tires will protect you and your vehicle on the road.So personalize your vehicle, but ... read more
Posted on 4/9/2015
Myths passed around our Wilmot, NH community start with a grain of evidence and are then built up with a lot of imagination and very elastic logic. And the internet is a breeding ground for automotive myths. Some bloggers recall the vehicles of yesteryear and declare their modern decedents to be virtually maintenance free and that anyone who says otherwise is out to rip you off. To get the truth about auto myths you hear around the Wilmot area, come over to Walker Automotive. Let's examine a couple of the more popular rants and look at the truth behind them.The first one is that the chassis no longer needs lubrication for suspension, steering and the driveline. They declare that anyone who has charged you for lubrication is a charlatan.The truth on which this myth is based is that many new vehicles come from the factory with sealed joints and cannot be greased. However, there are still some grease points on many ca ... read more
Posted on 3/31/2015
Many Wilmot residents don't realize that there is more to exhaust system maintenance than just tailpipes and mufflers, if you can see smoke or if it's too loud. Exhaust service at a full-service automotive center like Walker Automotive is really a lot more comprehensive these days.For example, in the U.S., the federal government required catalytic converters for all cars in 1976 and on-board emission control computers in 1990. NH and federal emissions requirements have forced manufacturers to come up with much more sophisticated ways to comply with environmental laws. This also goes for cars sold in Canada.So, exhaust service has really become exhaust and emissions service. High-tech computer-controlled emissions devices are now necessary. And because it's so sophisticated, we recommend having your emission system checked out by a qualified technician, like the ones we have at Walker Automotive, regularly to make sure everything's working right – which is usually every six month ... read more