A car’s air conditioning system functions to provide cool air to the interior of a car during hot, summer months. Having an air conditioning system makes a rather unpleasant summer drive more comfortable and bearable. The transfer of hot air and cool air, a process called air conditioning, occurs as a closed loop exchange system involving the ac compressor, ac condenser, ac receiver drier, expansion valve and evaporator.
The ac compressor compresses cool, low – pressure refrigerant liquid into hot, high – pressure refrigerant gas. The refrigerant gas moves onto the condenser where heat from the refrigerant gas is absorbed. Once heat is absorbed, the refrigerant gas is “condensed” into refrigerant liquid. The refrigerant liquid then passes onto the ac receiver drier. The ac receiver drier plays a vital role in the ac system, but more on that later. After the ac receiver drier, the refrigerant liquid passes through the expansion valve where liquid refrigerant is converted into refrigerant gas (again). After this, the refrigerant gas moves on to the evaporator. A fan located inside the evaporator blows the refrigerant gas onto the air conditioning vents located inside the car. Once the refrigerant gas enters the car’s interior, the heat from the air within the car is absorbed. The end result is a cooler and more comfortable air for the occupants of the car.
Notice that the description about the ac receiver drier has been left out in the first paragraph. It is fitting that another paragraph be dedicated to this important component of the air conditioning system. The ac receiver drier does the job of filtering out contaminants and absorbing moisture from the refrigerant liquid. By doing so it protects the other areas in the air conditioning system from being contaminated with dust, dirt or moisture. The ac receiver drier looks like a radiator overflow tank and is often a cylindrical contraption with a small window in it. The small window in the ac receiver drier allows one to check the AC status. When the air conditioning system is working, one should be able to see clear liquid inside the ac receiver drier. If the liquid is milky, then there is water in the system. If the liquid has bubbles, then there is a presence of air in the system. When this happens, the car’s air conditioning system must soon be checked by a qualified mechanic. Chances are the ac receiver drier needs some replacing.
The Chevrolet sports utility vehicle series has been a stunning success for General Motors Corporation. Smaller than the Chevrolet Tahoe but larger than the Blazer, the Chevy Trailblazer portrays the patented technological standard of the company. More than ever, it puts the Chevrolet banner on top of the list of the most dynamic vehicles ready for action. The Trailblazer provides the most refined luxury features and offers superior handling control. These make the model perfect for off-road and on-the-highway driving activities. Looking at the components like the Chevy Trailblazer A FS C receiver drier alone justifies the polished concentration applied in building up this vehicle.
Used in the car’s air conditioning system, the Chevy Trailblazer A FS C receiver drier, is employed to allow the thermal expansion valve to have a liquid refrigerant. This ensures the proper operation of the valve which cannot run efficiently without the aid of this component. Placed close to the condenser, it can be easily noticed because of its shape, which is similar to that of a fire extinguisher. Both the expansion valve and the condenser are connected to the Chevy Trailblazer A FS C receiver drier. The indispensable functions of this Chevy component are to separate the liquid and the gas as well as to take away the moisture and to eliminate the unwanted external particles. At its top portion, it usually includes a sight glass, which is used to boost the system. When a vehicle has a receiver drier, there is no need to have an accumulator.
Checking the condition of the receiver drier improves the function of the Chevy Trailblazer. When the part is efficiently working, the driver must ensure that the sight glass does not have any noticeable vapor bubble. Whenever bubbles appear, they indicate that the system has inadequate refrigerant. This requires a check up by a professional mechanic. Eventually, this happens as the ideal function of the car component lasts for only two years. Therefore, having a major repair or replacing the Chevy Trailblazer A FS C receiver drier is normal.
For all of those MP3 music owners, the future of car audio is finally here for you. Gone are the days where you had to burn your MP3s onto a CD for playback in your car audio system. Sony recently released the MEX-1GP CD receiver, a CD receiver that also features a built-in 1 GB flash memory unit. So now your car audio CD receiver behaves in the same manner as your iPod or other type of MP3 player. The 1 GB flash memory unit can store up to 500 of your favorite songs, giving you plenty of playback time for your music. This little device will make even the longest of trips in your car smoother and more enjoyable, since you will not have to worry about changing CDs any longer.
Aside from playing MP3s, this CD receiver also plays CDs (as the name implies) along with burned CD-Rs and CD-RWs so that those who wish to play their old CDs can still take advantage of this nifty product. However, the real attraction to this new car audio head unit is the MP3 playability. The flash memory unit is located in the detachable faceplate. Here resides the USB port which allows you to connect the faceplate to your PC (similar to your iPod or other MP3 player). Once your faceplate is connected to your CD, you simply drag and drop the MP3 files onto the flash memory unit of the faceplate. Unfortunately the faceplate is only compatible with Windows operating systems, so all of you Mac owners will have to go to your buddy’s house to copy the MP3s to and from the Sony MEX-1GP.
The new receiver is also aesthetically pleasing to the eye as well. It is finished in a high-gloss black color and features a 13-segment LCD display for simple navigation of track and title information. The screen displays album, artist and track name when playing your MP3 music files. Users can shuffle or repeat tracks, albums or personalized groups through controls on the faceplate or with the supplied remote control. The MEX-1GP unit has a built-in 208-watt power amplifier and a three-band equalizer enabling clear, rich sound. The selectable rear/subwoofer preamp outputs, controls the frequency and output level of an external amplifier.
After installing this receiver and experiencing it for a little over a week, I must say that I am quite impressed with this product. For one, the sound quality when playing MP3s through this unit is nothing less than phenomenal. If you didn’t know any better, you would think that you were playing a CD with the crisp and clear playback quality of this head unit. While traveling on a three hour road trip (three hours each way, six hours total) I was able to listen to one selection of songs on the way up and an entirely different selection of songs on the way back, all without the hassle of changing CDs and enduring a pause in play. I’m just a little surprised it took so long for a product like this to hit the market, especially with the increasing popularity of portable MP3 devices such as the iPod over the last several years. While it may have taken awhile for a product like this to hit the market, I’m sure Sony will have plenty of competitors very soon, which will benefit car audio enthusiasts like myself.
Dwayne Wright is an automotive enthusiast with over 20 years of experience in the automotive industry. If you decide to upgrade your car audio system with a Sony MEX-1GP car audio receiver, visit his site at http://www.customautosearch.com to find a professional car audio installer in your area to install your new receiver.
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