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A/C Problems Demystified

June 30th, 2016

Believe it or not, the A/C system in your vehicle is fairly simple in principle and design. Like your refrigerator, it operates on a cycle of compression and expansion of a gas, known as refrigerant. The compressor turns the gas into a liquid, and as the gas evaporates it provides cooling. Like your refrigerator, its main components are: 
 
  • Compressor
  • Condenser 
  • Receiver/dryer
  • Thermostatic expansion valve
  • Evaporator
  • Refrigerant
  • Blower 
The good news is most automotive A/C systems have become very robust and reliable compared to cars from a generation ago. Most of the time, poor performance is due to low refrigerant levels due to lea ...[more]
  Posted in: Auto Repair 101

So You Get A Flat Tire...What Now?

June 16th, 2016

Flat TireNobody ever looks forward to a flat tire, and nobody ever says "well, that was a really good time" after having one. You can at least minimize the damage to your tire and danger to yourself, though.

Flats vs Blowouts

If you get a blowout, you'll know about it right away. Sometimes the tire can fail dramatically, with a bang as loud as a shotgun going off. Other times, it might just be a loss of air and a sudden change in your car's handling, followed by vibration, noise and a pull to one side. If it's a front tire that fails, your car might be a real handful to drive until you can get to a stop.

In either case, your first job is to pull off the road as quickly (but safely!) as you can. Don't jam on the brakes or make any sudden mo ...[more]

  Posted in: Tires 101

Squeeze A Few More Miles Per Gallon Out Of Your Vehicle

June 2nd, 2016

We all know that fuel prices can be pretty unpredictable, and while prices might be relatively low right now, that doesn't mean they will be this time six months Fuel Economy in Abbottstown PAdown the road. The good news is that all sorts of vehicles now get better fuel economy than they used to...and even if you drive a thirsty truck or SUV, there are things you can do to squeeze a little better fuel economy out of it. 

  • Tires: Many people don't realize that tires are such an important part of the fuel economy equation. Even one underinflated tire, though, can be enough to compromise gas mileage. A low tire means added friction and rolling resistance, causing your vehicle to use more fuel just to get you down the road. It also means heat buildup, which ...[more]
  Posted in: Auto Repair 101

Regular, Synthetic or Blend...What Kind of Oil Do I Need?

May 26th, 2016

At one time, there were only a couple of choices for motor oil. Today, that is no longer the case, and hasn't been for quite some time. Here's a quick breakdown of what you need to consider when it's time for an oil change:

  • Viscosity: Viscosity is how thick your oil is, and how it retains its pour properties at various temperatures. In this respect, synthetic oil is far superior. Conventional oils will thicken in cold weather and thin out when very hot, while the viscosity of synthetic is much more uniform. Check your owner's manual -- many newer models require a thinner, lower-viscosity oil, which also helps the engine run more efficiently. Viscosity is expressed as a numerical value -- the lower the number, the thinner the oil. Many are designed to work a ...[more]
  Posted in: Auto Repair 101

Lifting Your Vehicle? Lowering Your Vehicle? Here Are Some Things To Remember

May 19th, 2016

People with 4 x 4 pickup trucks love to lift them a few extra inches, for ground clearance and bigger tires and wheels. Drivers of sporty sedans and coupes, on Lift Kits in Abbottstown PAthe other hand, often find that they can get better handling with lower ride height. If you're considering either modification, though, here are some things to remember: 

Lifted Vehicles

-- Bigger wheels and tires come with their own unique issues. A taller wheel will throw off speedometer readings, making the speedo read slower, and can even throw off transmission shift points. Taller wheels also effectively raise your rear end's gear ratio, giving you poorer acceleration and less low-end grunt. Finally, the added weight of bigger wheels and tires means more rotating mass and unsprung weight, which affects bra ...[more]

  Posted in: Auto Repair 101

The Latest in Green Tech Innovations for Tires

May 12th, 2016

When it comes to your car, oil isn't the only thing there's a finite supply of. Rubber has its limits too, and it's estimated by 2020, the supply of natural rubber in the world may be outstripped by demand. And of course, tires require a great deal of oil to produce as well. Tire manufacturers are constantly looking for ways to innovate and conserve resources in tire production. Here are some recent advances:

  • Dandelions: Yes, those humble yellow flowers you try to eliminate from your yard. Dandelions actually contain a minute amount of latex in their milky oil, and research shows they can actually produce about as much latex, pound-for-pound, as rubber plants. German scientists have cultivated 1-foot-tall dandelions for just this purpose. This isn't a new development, either -- in WWII, Amer ...[more]
  Posted in: Tires 101

Did You Know April Is National Car Care Month?

April 28th, 2016

Every year, the Car Care Council promotes two months to draw attention to the importance of car care and preventive maintenance…October is Fall Car Care Auto Repair in Abbottstown PAMonth, while April is its springtime counterpart.

Why April?

April means that spring has arrived and winter’s officially over. That means it’s a good time to prepare your car for hotter weather and address any issues that might have been neglected over the winter, such as:

·         Oil Change: Can you remember when the last one was? If you can’t, pop the hood and pull the dipstick. If your oil is honey colored and translucent, it’s still pretty fresh and clean. If it’s darker but still translucent, you’re good for awhile yet. If ...[more]

  Posted in: Auto Repair 101

4 Things About Tires You May Not Have Known

April 28th, 2016

Tires all look sort of the same…round and black…and people tend to think tires don’t change much over the years. That’s really not true, though – engineers and designers are constantly working on advances in tire designs for more miles, better fuel economy and better performance.

Here’s a rundown of current trends in tire technology you may not have been aware of:

  • Tall, skinny tires are coming back. If you’ve ever ridden a beach cruiser bike vs. a racing bike, you know that skinny tires have lower rolling resistance. Carmakers are going in that direction, too – the BMW i3 electric/plug-in hybrid uses Bridgestone Ecopia tires, with higher inflation pressure and a taller, skinnier profile. Tall, skinny tires also redu ...[more]
  Posted in: Tires 101

Cars That Last 250,000 Miles or More

April 14th, 2016

If you’re old enough, you probably remember the cars from the late 70s and early 80s that weren’t good for much more than 120,000 miles before they started to develop real problems and were junkyard bound. Today, thanks to improvements in design, metallurgy, manufacturing techniques and machining, those days are over and it’s not at all unusual to see vehicles with well over 200,000 miles on the odometer and still running strong.

Here’s a quick rundown of some vehicles to consider which have a track record of being good for 250k miles or more:

  • Toyota Corolla: Probably not a surprise to fans of Toyotas, the simple, no-frills Corolla hasn’t changed much since the early 00s…but Toyota’s approach to the tried-and-true Corolla ...[more]
  Posted in: Auto Repair 101

Self-Inflating Tires…Soon To Be A Reality?

March 31st, 2016

Driving around on underinflated tires is just a bad idea all the way around. Underinflated tires increase a car’s rolling resistance, meaning a drop in fuel efficiency since it takes more energy to move the vehicle down the road.

A single tire that’s down by ten pounds of air means a 3.3 percent drop in fuel economy…multiply that by all four tires, and you can figure on giving up ten percent of your gas mileage. The added friction and rolling resistance also means more heat is generated, and heat is the enemy of the internal structure of a tire. That heat will damage a tire to the point of failure. Studies show that underinflated tires are a full 25 percent more likely to fail, and at least half of one-car accidents involve a tire problem as a factor. And still, it’s estimated ...[more]

  Posted in: Tires 101
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