Yearly Archives: 2019

Not-So-Common Sense (Sensor Failures)

So your vehicle won't start.  What's the first thing that comes to mind?  Battery dead? Starter motor worn out? Out of gas?  Well, those are all reasons that make sense.  But your vehicle may be refusing to start because one of its computers is being warned that to do so might damage it.  Here's how that works.

You have lots of computers in your vehicle.  They need to know the status of things so there are several sensors monitoring various things going on.  These sensors send information to the computers that adjust the fuel and air mixture so you don't waste fuel.  They know when things aren't quite right and prevent you from starting your engine if that's going to damage it. 

Other sensors make sure the coolant is the right temperature, check to see you are not polluting the air and make sure other electronic components are performing their tasks correctly.

Here's an example of a sensor doing its job.  Your engine needs oil to lubricate metal components so the friction doesn't damage them.  Your engine has an oil pressure sensor that tells a computer called the Electronic Control Unit (ECU) if things are good to go or if there's something wrong, maybe the oil pressure is too low to keep things lubricated.  If it is, it gives a signal for the vehicle not to start, protecting the engine. 

Of course, the sensors can go bad, too, with some of the same results.  And so someone has to figure out if it's the sensor that's failed or if it really has detected a problem.  That is the challenge for technicians with specialized equipment to decipher the signs.  If a bad sensor is found, it may need to be replaced.  Sometimes a thorough cleaning can do the trick.  In either case, your service facility can track down the problem and get you back on the road.  Makes sense, doesn't it?

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

Ready, Set, COLD! (Getting Vehicle Ready for Winter)

When the temperatures plunge, your vehicle better be ready because it faces a whole new set of challenges.  Rubber stiffens, glass fogs, fluids freeze.  Just thinking about it can get your heart beating faster.  So here are some tips for getting ready for those inevitable colder temperatures.

Make sure your tires are in good shape and properly inflated.  Traction can be less than ideal on slippery streets, so your tires must have enough tread to grip the road.  They should also be inflated properly, and inflation will change as the temperatures go down. One last thing on tires. Do you know how old yours are? They actually have a birthdate printed on them.  Old rubber can compromise drivability and handling.  Some tires look great but their rubber doesn't handle stresses like it used to.  Have your vehicle service facility inspect all of these aspects of your tires so you are riding on tires that are fit to go.

Anyone who lives in an area where the temperatures get down to freezing knows frigid mornings can reveal an unhealthy battery at the most inopportune time.  Age also counts when it comes to batteries, so you should know how old and healthy yours is.  Special equipment at your service facility can let you know how much more life you can expect out of that battery.  It's obviously better to have it replaced before rather than after it fails.

You have to see out your windows and windshield in order to drive safely, so now's the time to have your heater and defroster checked out to make sure they can do their jobs.  A few tweaks here and there can make a big difference before you find yourself shivering and fogged up.

And finally, make sure you have some vital emergency supplies.  Yes, a blanket can save your life if you are stranded in cold weather.  A small shovel can help you dig out of a slippery spot.  And your survival may depend on having a little extra food and water on hand, so keep a little supply of bottled water and power bars stored away. Doesn't hurt to have an extra cell phone charger in your vehicle, either.

You may have heard all of this before.  Well, trouble happens when you least expect it. Taking a few minutes now can make a huge difference when it rears its ugly head later.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

Categories:

Winter Prep

Chilly Warning (Diagnosing a Noise in Cold Vehicle)

When the weather gets colder, sometimes the noises your vehicle makes will change.  For example, you may notice a whining sound when you get going in the morning.  It may go away when the vehicle warms up, but it's best not to ignore that sound because it could be a warning of worse things to come.

Colder temperatures cause different components to behave differently.  Let's take a look at a few of them.  First, the fluids in your vehicle.  Cold temperatures can make them behave a little differently, such as engine oil, transmission fluid and power steering fluid. Those characteristics could change if the fluids are older and full of contaminants.

Belts also can create a whining noise when cold.  Since they turn pulleys that move other things, several factors can create issues.  Increased friction can change proper tensions on belts.  Plus, belts change as they age and may crack, get loose or develop a glazed surface. Belts and pulleys also must be aligned properly to work the way they're designed to.

As you can imagine, it's easier for a technician to diagnose a noise if the vehicle is making it.  And if a vehicle only makes a noise when it's cold, that sound may be gone by the time the vehicle makes it to the repair facility.  That means a driver may have to consider dropping off the vehicle the night before so the technician can be the first to start it the following morning.  Most service facilities can accommodate that with either a drop-off box or other arrangement.  Heed your vehicle's warning when you start to hear unusual noises.  That's a cool idea you should be able to easily warm up to.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

The Byte Stuff (Your Vehicle's Computers)

Nobody has to tell you that computers are a part of so many things in our lives.  Smartphones, kitchen appliances, vacuum cleaners, televisions.  You name it—it has a computer in it.  And your vehicle is no exception.

The earliest cars relied on the technology of their time, and there was no such thing as a computer.  But now, it's not unusual for a vehicle to have as many as 150 computers in it.

They perform a variety of functions. An important one is diagnosing your vehicle's problems.  There are various sensors throughout modern vehicles that measure thousands of data points.  When something is not working correctly, they send a signal to another computer that stores that information. The data can be read by someone who has a special computer that plugs into a port in your car.  It displays certain codes that help technicians track down the culprit. 

But it's not just the diagnostics that are computerized.  Everything from your vehicle's fuel injection to anti-lock brakes is.  Convenience features such as power windows, rain-sensing windshield wipers, a wi-fi-hot spot, streaming video and navigation are all sophisticated computers.  Then there are the safety features; air bags, traction control, automatic emergency braking and a host of others are all dependent on computers.

It is important that those computers work correctly because they interface with many of the other computers on board.  To properly diagnose problems with those computers requires training and special equipment. Your service facility has invested considerable resources into both, and they are equipped to properly evaluate and repair and/or replace malfunctioning components. 

Some lament the days when backyard mechanics could pull out their tools and do their own repairs.  Those days are fast disappearing with the computerization of vehicles.  But look at the bright side.  Your vehicle does so much more, has so many more features and travels far more safely than those past generations drove.  And they're bound to get better and more sophisticated down the road.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

No Fueling! (Fuel Filler Location)

If you've ever gotten in an unfamiliar vehicle, maybe a rental car, you may have pulled up to the gas pump and wondered, "Which side is the fuel filler on?" Here's a tip for you.  There is usually a little arrow on the instrument panel near the fuel gauge that points to the side where the fuel filler is. 

But why are the fuel fillers not all on the same side, anyway? There are lots of reasons.  At one time, many manufacturers tried putting them in an easy-to-reach spot: in the center of the vehicle's rear end.  Some even hid them behind a hinged license plate door.  Cool place, but it turned out not to be a good idea.  When a vehicle with a fuel filler in the rear was hit by another vehicle from behind, it was much more prone to catch fire and explode.

Safety regulations now dictate that the fuel filler doors be placed within crumple zones and away from where they can drip fuel on hot exhaust pipes or near electrical connections.  But why do manufacturers put them on either side?

Some say it should be on the side away from the road.  That way if you run out of gas and have to add a little from a gas can as your standing at the side of the road, you'll be a little farther away from passing traffic.  So some companies from North America and many European firms with left-hand drive put their fillers on the right side.

Some manufacturers think convenience for the driver is paramount, so they put their fuel fillers on the driver's side.  If you have a vehicle with a cable release for the fuel door inside the cabin, it's usually on the same side as the steering wheel.  As you can see, there's no standardization.

Fuel doors need regular maintenance such as lubrication, and your gas cap (if your vehicle has one) should seal properly.  Have your service facility inspect those regularly. Wherever your fuel filler is, it's obviously important that you can get at it easily because you have to fuel up sometime. Otherwise, you're not going to go too far!

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

H20 No! (Driving Through Standing Water)

In a year marked by unusually heavy flooding in North America, drivers are very aware of the possibility they may find themselves driving where water has come over the road.  It can be a daunting and frightening situation.  Flooding waters can move quickly and unpredictably, so you have to keep your wits about you when you encounter that situation.

Here a sample of one vehicle manufacturer's guidelines on what to do.  First, the vehicle is designed to go through some water, but you must be careful.  Never attempt to drive through water deeper than the bottom of your tires.

You can get out of your vehicle to check the depth of the water, but you can never be sure that you aren't going to drive into a spot where the road has washed away.  You can't see below the surface of the water, and suddenly you could find yourself in a place where the road drops off unexpectedly.  In swift moving storm runoff, your vehicle could literally be floating away with the current, putting your life and those of your passengers in mortal danger. 

Never go more than 5mph/8 km/hr when you drive through standing water.  That minimizes the waves you create.  If you DO find yourself in water that is touching your drivetrain components, that water can damage them.  And if you get water in your engine, it can lock up in seconds and stall.  The potential damage can be catastrophic.

You may have found yourself driving in water deep enough to reach your drivetrain components, and it's essential that you have a technician check the fluids to make sure they haven't been contaminated.  That includes engine oil, transmission and axle.  Driving with fluids contaminated with water can severely damage those components. 

The bottom line is to avoid driving through water at all if you possibly can.  Check your vehicle's owner's manual to see if there are specific guidelines for driving YOUR vehicle in standing water.  It's information that could save your life.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

Wash Me, Wash Me Right (How to Wash a Vehicle)

Most would agree they'd rather drive around in a clean, shiny vehicle than one coated with a layer of dirt.  When warmer weather comes around, some of us are bound and determined to wash our own vehicles.  And to protect the paint and its luster, there are a few things to keep in mind when you get out the bucket and soap.

  • Cool body.  It's not a good idea to wash a vehicle when the body is hot.  If it's been sitting out in the sun or you've been riding around on a sunny day, make sure you cool your vehicle off by either moving it to the shade or wetting it down with cool water. The problem with washing a hot vehicle is that it's going to dry so fast, minerals in the water can form hard-to-remove spots on the paint.  And some of those can be really difficult to get out.  Best to avoid it.
  • Slippery when wet.  Make sure you wet your vehicle down thoroughly before you get the washing mitt out.  Experts keep a couple of buckets of soapy water on hand, and they use soap especially engineered to remove dirt from a vehicle without stripping off the wax that might be on it. 
  • The washing mitt.  Experts say to use a mitt with hundreds of moisture-absorbing strands on it.  Start washing at the top and move down.  If you keep dipping the mitt in the buckets frequently, a minimal amount of dirt will stick to it and that will prevent scratching the paint. 
  • Wheels last.  Wait until you've finished washing the body before washing the wheels.  Some detailers prefer special wheel-washing tools or brushes. 
  • Rinse it well.  Hose the vehicle off thoroughly to get all the soap off, then dry immediately.  Some people swear by a chamois, others like cloth better.  Cotton or microfiber towels will do.  

The next time you have your vehicle in for maintenance, you might ask your service advisor for recommendations on vehicle washing accessories.  They are usually up on the brands that produce the best results.  You may not be a detailing pro, but there's no reason your vehicle can't look like you are.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

Unlock the Secret (Malfunctioning Door Lock Actuator)

What a convenience power door locks are on a vehicle.  The latest don't even require you to push the button on the key fob; all you have to do is have it with you.  But sometimes there's a component of power door locks that can fail, especially when they are used several times each day.  Those are called the door lock actuators.

The actuator is an electric part that works with others (like motors and gears) to lock and unlock doors.  You can hear them work, sometimes with the little whirr of the gear or the quiet clunk of the lock finishing its cycle.  And it's good to pay attention to that sound because if it starts to sound different, it could be a signal that your lock is on the brink of failing. Another sign of a failing power door lock actuator is they start working intermittently or quickly and erratically.  The driver's door is often the first to start acting up since it's the one that usually gets the most use.

When you start to notice these signs, consider a visit to your service facility to get your vehicle checked out.  If you wait too long, you may find yourself getting locked out of your vehicle. Many vehicles do have mechanical keys available as a failsafe so you are at least able to get inside.  Some of them are hidden inside the key fob and you should know how to access them.  Check with your owner's manual or ask your service advisor.

It's extremely inconvenient to have to unlock your vehicle with the mechanical key, then get inside and unlock the other doors. It's even more inconvenient if you have passengers in the rear seats.  And that doesn't even count having to go through the same thing to lock the doors when you arrive at your destination.

There are many things that can cause power door locks to malfunction, but if it turns out to be a power lock actuator, the most common remedy is to replace it.  Some are easier for technicians to reach than others, depending on your vehicle's design.  But once your locks are working again, you might think you've found the "key" to happiness!

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

Categories:

Auto Safety

Not a Good Vibe (Driveshaft Failure)

When you feel your vehicle vibrating as you're driving down the road, one cause could be something you may not have ever seen: your driveshaft.  It is underneath the vehicle and most drivers don't climb under there to take a look very often.  The driveshaft is a cylindrical part that helps conduct the rotational power from your engine to your drive wheels.  If you have a four-wheel drive vehicle, you may have two driveshafts. 

The drive shaft has bushings, and when they wear out, that's a likely source of the vibrations.  When the bushings are in good condition, they prevent the driveshaft from vibrating.  And if you don't get your vehicle repaired fairly soon after discovering vibrations, they'll continue to get worse and cause other components of the drivetrain to wear out.

The driveshaft is, of course, only one part of the drivetrain.  It includes other parts such as axles, transmission, differentials and joints.  They all work together and need to be maintained properly.  When a driveshaft fails, there can be symptoms other than vibrations.  They include difficulty turning, rattles, clunks and squeaks coming from underneath your vehicle. You may even feel a shudder when you accelerate from a stop.

Driveshafts can fail when they get corroded or damaged by rough roads, curbs and debris. A trained technician with experience working on drivetrains uses specialized equipment that doesn't further damage the drivetrain's other parts.  Sometimes the entire driveshaft will have to be replaced; sometimes the problems can be fixed by replacing individual components. 

Your vehicle's drivetrain was engineered to propel you smoothly down the road.  When time and distance begin to take their toll, have your vehicle looked at by your service facility. They'll know how to properly pinpoint what's causing your problems and restore your vehicle to the reliable, smooth, safe machine its designers worked hard to create.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

Categories:

Drive Train

The Best Test

Would you buy a jacket without even trying it on? Probably not, but it might surprise you that one study shows about half the people buy a vehicle after a short test drive around the block or none at all.  If you're in the market for another vehicle, make sure you check out the most important things so you'll know if that's the right vehicle for you.

Check out the gadgets.  Love a good sound system? Then turn it up loud.  Does it have enough bass for you? See how you like its navigation system if it has one.  Try pairing your Bluetooth smartphone with the vehicle.  Test out how to set the cruise control and how steady it keeps the speed. Back up and check out the rearview camera. If you buy this vehicle, you'll have to live with all of these things every time you drive.

Test the vehicle on roads you know.  See how it handles bumps and potholes, how it takes that tight curve that you drive every day to and from work.  Driving on familiar roads gives you a chance to compare what you know with what you're thinking about buying.

Check the fit.  One suburban driver drove a full-sized SUV and loved it until they got it home and realized it was too high for her old garage.  Remodeling the garage would be the only answer! Try installing your child seats.  Size matters, especially in a vehicle.

Gauge the fuel economy. Many vehicles have a trip computer that will calculate fuel economy quickly.  Here's a tip: you can reset it before your test drive and when you're finished, check it and see what fuel economy you got.  It will be a smaller sampling than would be ideal, but it will give you an idea.

Take as much time as you can.  A lot of sellers will pressure you to restrict your test drive to 10-15 minutes.  Ideally, you'd like to have that vehicle for a week, but that's usually not possible. So try for something in between. Remember, this could be your vehicle for years to come.

Keep in mind that every vehicle will feel strange to you at first. Buying a vehicle is a little like getting married.  You want that marriage to be happy, and you want it to last, so take the time to get to know it as well as you can.

West Service Center
904 Cavalier Blvd
Chesapeake, Virginia 23323
757-487-4420
http://westservicecenter.com

Categories:

Automotive News
904 Cavalier Blvd Chesapeake, VA, 23323 (757) 487-4420
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