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Archive for April 2018

Good Timing: Proper Timing Belt Replacement Saves Money for Herndon Drivers

Posted April 30, 2018 9:12 AM

Knowing how their engine works can help Herndon drivers make informed decisions about auto care and prevent repairs to their vehicles. This is especially true when it comes to timing belts.

An engine's power is generated in the cylinders. Inside the cylinder is a piston that moves up and down while the engine is running. Power is generated in a cycle that includes four strokes of the piston. First, the piston drops and a valve at the top of the cylinder opens to let in fuel and air. The piston then rises, which compresses the fuel and air. At this point, the spark plug fires, igniting the fuel and pushing the piston down. This downstroke transfers energy to the engine, which provides the power it needs to run. The piston rises again, and a valve opens to release the exhaust.

All of this movement is orchestrated by a timing belt. The timing belt is so named because it keeps the pistons and valves operating in synch with each other, just as a conductor keeps all of the instruments in an orchestra in time with one another. Thus, the timing belt is critical to the proper operation of your engine.

Not all vehicles in the Herndon area have timing belts. Some have timing chains. A timing chain is more durable and rarely breaks, but timing belts are cheaper, so many use them to save money.

Timing belts wear out and break, so part of preventive maintenance for Herndon drivers is to replace the timing belt on schedule.

The results of failure of a timing belt depend on the type of engine in your vehicle, but they are always inconvenient and can be very costly for Herndon auto owners. If your engine is a non-interference engine and the timing belt breaks, the engine simply stops running. Now that can be an incredibly inconvenient situation depending on where you are driving around Herndon when it breaks, but it won't cause any engine damage. On the other hand, if your vehicle has an interference engine and the timing belt breaks, the valves on your cylinders will actually fall into the path of the pistons. Then things start getting chewed up by the motion of the engine and it will cost thousands of dollars to get everything sorted out again. Compounding the problem is that there aren't any warning signs before a timing belt breaks. A visual inspection of the belt is difficult also. In some vehicles, parts of the belt may be visible, but most vehicles hide the belt under a cover.

The timing belt doesn't even have to break to cause major engine damage. If it slips, even one notch, the result could be engine damage with repair costs in the thousands of dollars.

Our only car care option is to simply replace the timing belt periodically. You can check your owner's manual to find out how often your timing belt should be replaced. Many vehicles need a replacement at 60,000 miles (100,000 kilometers), but the recommended replacement mileage could be as high as 90,000 or 100,000 miles (145,000 to 160,000 kilometers). If your owner's manual recommends replacement at 60,000 miles (100,000 kilometers), however, don't wait until 65,000 miles (105,000 kilometers) to get it done. Remember what you're risking.

Replacing a timing belt is not a cheap part of preventive maintenance for Herndon vehicle owners. The belt is usually difficult to get to and often requires removal of some of the engine accessories. The cost of the replacement, however, is a lot less than what the repairs may cost if the timing belt fails.

For more auto advice on timing belts and other engine components, you can always consult with your service advisor at McLearen Shell. When it comes to car care, ignorance is not bliss. It can end up costing you in a big way.

McLearen Shell
3043 Centreville Road
Herndon, VA 20171
(703) 318-7744
http://www.mclearenshell.com



Following Recommended Intervals for Your vehicle

Posted April 23, 2018 3:53 AM

If you're reading this article in Herndon, VA, 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 McLearen Shell 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 Herndon residents to keep them running well. That is why they have maintenance schedules that explain how to keep your vehicle performing efficiently and prevent breakdowns. In a typical owner's manual you'll find: oil change, brake fluid and pad change, coolant system service, transmission service, battery electrolyte levels, cables and terminals, tire pressure and wear, CV boots, cabin air filter, air conditioning, heater, fuel filter, air filter, belts and hoses, power steering fluid, differential service, fuel system cleaning and wheel alignment. And then there are mechanical service requirements like timing belt changes, valve adjustment, steering function, engine and exhaust leaks - yeah, it is a really long list!

Fortunately, this isn't a test: Herndon residents don't need to have it memorized. Your friendly advisor at McLearen Shell has access to your manufacturer's recommendations. Don't be surprised when your service advisor at McLearen Shell reminds you something is due. Your manufacturer has taken great care in putting together your maintenance schedule. Let McLearen Shell help you stay on top of maintenance. You can expect them to suggest recommended services and tell you what problems they find under the hood. We'll also explain how urgent these services are so you can work them into your budget.

McLearen Shell
3043 Centreville Road
Herndon, VA 20171
(703) 318-7744
http://www.mclearenshell.com



Gas Savings in Herndon: Sharpen Your Pencil

Posted April 17, 2018 1:35 AM

High gas prices in Herndon increase the cost of living for VA drivers. You've probably budgeted a certain amount for vehicle related expenses. Increased fuel costs now consume a larger portion of our incomes, causing some Herndon vehicle owners to skimp in other areas – like scheduled maintenance.

According to VA news reports and automotive industry studies, this is becoming increasingly more common. In fact, nine out of ten personal vehicles on the road have at least one maintenance or repair item that hasn't been done. Some of these items pose serious safety risks. Others are just more likely to make it more expensive to drive.

In this area, we can take a lesson from professional Herndon vehicle owners. I'm talking about fleet owners and operators. You know, Herndon folks like the trucking companies and delivery services. Because their livelihood depends on it, they have gotten scheduled maintenance down to a science. And the last thing they skimp on is regular maintenance.

Why is that? Well, for one thing they know that routine maintenance prevents expensive repairs and costly breakdowns. They also know that a well-maintained vehicle uses less fuel. For them, even a small decrease in fuel efficiency may put their Herndon business in the red.

So what does this mean to Herndon drivers? Well, there's a 90 percent chance that you're missing some service that would improve your fuel economy. Here's a quick reminder list:

Fuel system cleaning, transmission service, differential service, engine air filter, wheel alignment, oil change, tune up.
Ring any bells? Can most Herndon vehicle owners honestly say that there isn't at least one thing on the list that hasn't been done?

Let's suppose you chose to spend $150 and get caught up on some of these services at McLearen Shell. Figure that they combine to improve your fuel efficiency by 15 percent. What would that mean to your pocketbook?

Well, the average personal vehicle in Herndon is driven about 12,000 a year. If you get 20 miles per gallon in your vehicle, over the course of one year you would pay for the $150 worth of service and save an additional $165 dollars if gas is at t$3.50. If gas is $4.50, you would save $255. And you'd rack up savings of $345 dollars with gas at $5.50.

GAS PRICE
$3.50
$4.50
$5.50

20 MPG
$165
$255
$345

From this you can see that the more fuel costs, the more it pays to keep up on scheduled maintenance. Some of us drive trucks in Herndon for work or recreation – or want a large SUV for family needs. A 15 percent improvement in fuel economy can generate huge savings – $650 a year if gas is $4.50 a gallon in Herndon. Take a look at this table to see where your savings could lie.

 

GAS PRICE

A) $3.50, B) $4.50, C) $5.50

10 MPG: A) $480, B) $660, C) $840

20 MPG: A) $165, B) $255, C) $345

30 MPG: A) $60, B) $120, C) $180

 

So catch up on those services you've been neglecting at McLearen Shell. Get a couple done now and a couple next time. Chances are you'll save a lot of money at Herndon gas pumps this year – and a lot more on repairs in years to come.

McLearen Shell
3043 Centreville Road
Herndon, VA 20171
(703) 318-7744
http://www.mclearenshell.com

 



Fuel Saving Tip: Alignment for Your Herndon Vehicle

Posted April 10, 2018 8:48 AM



Imagine you've left Herndon 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 Herndon residents bump a curb or hit a pothole and knock our wheels out of alignment. An accident can take the wheels out of alignment as well.

Herndon residents need to make sure they're tracking straight. You'll get better fuel economy and your tires'll last longer. Now, mush!

McLearen Shell
3043 Centreville Road
Herndon, VA 20171
(703) 318-7744
http://www.mclearenshell.com



Deciphering the McLearen Shell Menu Board

Posted April 1, 2018 5:47 AM

Let's talk about deciphering the auto service menu board. Herndon, VA, service centers like McLearen Shell have a board that lists the routine services they provide. But some people don't know what these services really are unless they ask. Let's go down a typical list, in alphabetical order, starting with air conditioning service.

Feel free at any time to give McLearen Shell a call at (703) 318-7744 to learn of the many services we offer, or stop by our Herndon, VA auto center at 3043 Centreville Road, 20171.

First remember that all of these services are recommended by vehicle manufacturers. They set how often or at how many miles/kilometers the service should be done.

Air conditioning service involves purging the old refrigerant and capturing it for proper disposal. Then fresh refrigerant is installed. The fresh refrigerant will lubricate the system and will also help it cool better.

Alignment. Service centers like McLearen Shell make sure all four wheels are lined up and track with each other. This reduces tire and suspension wear and improves safety and handling.

Battery service. Service centers like McLearen Shell inspect the battery for corrosion, leaks or damage. Test the battery's ability to hold a charge. If the battery's still strong, clean it up. If not, replace it.

Brake service. This could be two things. A brake inspection to see if the brakes are working well mechanically and to see if the pads are still safe. If not, replace the pads and make any repairs that might be in order.

The other thing is to evacuate the brake fluid, clean out the system and replace it with fresh fluid. This is important, but often overlooked.

Cabin air filter. The cabin air filter is the filter that cleans the air that comes into the passenger compartment. It works like the filter on your furnace at home. It gets dirty and needs to be changed often.

Cooling system. This is the cooling system for your engine. Replace the old coolant with fresh to protect your radiator and other cooling system components from corrosion.

Differential service. Every vehicle has at least one differential. They don't require service very often, so people don't think of them much. The differential transfers power from the drive train to your wheels. Drain the old fluid and add fresh lubricant.

Engine air filter. This filters the air that's burned in the engine. It also gets dirty and needs to be replaced often.

Fuel filter. This filter cleans the fuel before it gets to the engine. Like the other filters, it too gets clogged and needs to be replaced in order to maintain good flow.

Give us a call.

McLearen Shell
3043 Centreville Road
Herndon, VA 20171
(703) 318-7744
http://www.mclearenshell.com





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Reviews

Excellent work. Josh always does all the maintenance for my Porsche, VW Taureg, and Subi Outback. I can always count on him doing what is needed and never trying to upcharge me for work that is not needed.

, 11/30/2021

Took our Acura RDX in for brake service today. The staff at McLearen Shell did an excellent job, replacing the front discs & rotors. They advised that the rear pads still had 50% material remaining. Have had a variety of automobiles serviced at this service station over the last 25 years and there service remains outstanding and very reasonably priced. Highly recommended.

, 04/21/2022

Great team at McLearen Shell, have regularly changed out brakes, bulbs, oil, valve cover gasket, spark plugs, etc. on a 1998 Gen 4 Camry LE for the past three years. Trustworthy, professional and they know these older still-running vehicles. Always respectful to Ladies interested in vehicle mechanical function and maintenance as well

, 06/16/2021

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