4 Sites To Help You With Troubleshooting Car Problems, auto troubleshooting.#Auto #troubleshooting


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4 Sites To Help You With Troubleshooting Car Problems

Auto troubleshootingIf you ve ever attempted to research a car problem using the Internet, then you already know that finding free information or tutorials is nearly impossible. The large majority of websites that market themselves as auto repair sites are nothing more than thinly cloaked sales sites for auto parts, ebooks and manuals or a question answer service that will charge you a fee to receive an answer.

While they may be few and far between, there are actually some websites out there that offer truly free information that can help you with troubleshooting car problems that you may be having.

Reading a manual or tutorial on the Internet may not bring you up to speed on how to break out the ratchet set and start changing your own spark plugs if you ve never even laid your hands on the oil dipstick. However, free informational portals and tutorials can train you on how to understand how your car operates and how to troubleshoot the more common problems that many people have, with the sort of repair solutions anyone can accomplish themselves. Many times, if you take your vehicle in for repair at a local auto repair shop, they ll find a way to stick you with a ridiculous repair bill that you didn t really need.

If you d like to have a few truly free resources for troubleshooting your own minor car problems, then please review the following list and consider adding them all to your bookmarks under auto repair. The next time your engine doesn t start, don t immediately call the repair shop. Work through the step-by-step guides on these sites and you may surprise yourself when you re able to figure out how to get the car started on your own.

Site #1 For Troubleshooting Car Problems HowStuffWorks

HowStuffWorks, the site that Aibek reviewed in 2006 HowStuffWorks – Discover How Stuff Works HowStuffWorks – Discover How Stuff Works Read More , has evolved significantly and is leaps and bounds ahead of any other site when it comes to learning about your car s various systems starting from the ground up. It obviously isn t the equivalent of going to mechanics school, but the sheer volume of information available at HowStuffWorks is enough to teach you the basics of how your car engine works as well as all of the parts and systems of your car.

Auto troubleshooting

HowStuffWorks is a well known and well established website for information on a multitude of topics, but their specialized Auto section has so much more additional information than any other site, so clearly organized and presented, and so much more free from the overwhelming commercialism of most of the other sites that it definitely deserves the top spot on this list.

Auto troubleshooting

Each section provides very detailed information on how that particular car system works, including complete slideshows and even videos detailing those parts and systems. You d be hard pressed to get this quality of information even in an introductory automotive textbook that you d purchase.

Site #2 For Car Maintenance Yahoo Autos

The Maintain tab of Yahoo Autos is a valuable resource filled with information about car warranties and car manufacturers, but most importantly a large section on car repair tips and advice.

Auto troubleshooting

The tips and advice section of Yahoo Autos contains a comprehensive library of frequently asked questions and answers that span every single system of your car that you could imagine you might have a problem with.

Auto troubleshooting

Two things really impressed me about this section of Yahoo Autos. The first was the fact that other than typical ad banners, the site was not overrun with attempts to sell auto parts. The FAQ section really covers a great deal of information, and the answers to the questions are thorough and well written. The only drawback is that this site doesn t have the sort of graphical content that HowStuffWorks has, like slideshows and videos.

Site #3 For Car Manuals and Repair Schematics AutoZone

In deciding positions 2 and 3 for this writeup, it was a tossup between AutoZone and Yahoo. AutoZone is actually a better site and contains a great deal more valuable vehicle information for anyone who s serious about DIY auto repairs. Unfortunately AutoZone is a U.S. based company, so worldwide readers may not find as much value in the site when it refers to specific parts from AutoZone stores. Given that one drawback, the repair section of AutoZone is not a sales site and doesn t try to sell AutoZone parts.

Auto troubleshooting

When you register for free at the website, you have access to the entire vehicle repair section. This section includes an excellent area where you can step through troubleshooting your vehicle based on sounds, smells and more, and then drill down into the specific behavior characteristics, and the system attempts to offer you some possible causes.

Auto troubleshooting

In addition to this very useful resource, the free membership also grants you access to the valuable Vehicle Repair Guides. These are actual information guides of the quality you d find if you ordered vehicle manuals online. These manuals are completely free of charge and include useful information like wiring schematics and specific information about the systems for your exact make and model.

Auto troubleshooting

When you re trying to troubleshoot something like a car s electrical system, there s nothing quite as valuable to have as the actual electrical schematics for that exact vehicle.

Site #4 For Car Troubleshooting 2CarPros

The final website I would recommend to anyone who is trying to learn how to maintain a vehicle, or how to troubleshoot car problems, is 2CarPros. Starting from the main page, the site itself doesn t look like anything special. It s a fairly regular looking web page with a menu and a series of articles.

Auto troubleshooting

The truly special content comes when you start clicking on the left menu items and drilling down into the articles and help guides. Each section is filled with a whole multitude of how-to guides and articles that feature high quality images, edited to point out the components and areas that you need to understand and focus on for the particular task at hand.

Auto troubleshooting

This is obviously quality content produced by a couple of folks who really know what they re talking about. And as though the articles and pictures weren t enough, they also produced and published their own how-to videos included in most of the articles.

Auto troubleshooting

These aren t videos that were quickly pulled off YouTube like many other amateur auto repair sites do. These two car pros actually produced this video, branded at the bottom with their website, specifically for these articles showing you step-by-step exactly how you can accomplish the task yourself.

Do you try troubleshooting your own vehicle? What are your favorite websites to research car problems? Share your insights in the comments section below.


Troubleshooting Car Problems and Laptops with Diagnostic Flowcharts – If It Jams, auto troubleshooting.#Auto #troubleshooting


If It Jams

Copyright 2016 by Morris Rosenthal All Rights Reserved

Once we troubleshoot a problem, the next challenge is repairing it. In some cases, especially with late model appliances, parts are either unavailable or cost a prohibitive amount, in terms of replacement cost. Who would buy a new timer for a washing machine that costs 70% as much as a whole new washing machine? So the question becomes, “Can I epoxy this piece of junk back together so it lasts until the cheap electric motor fails?” I’ve been writing computer troubleshooting and repair texts since the mid-90’s, always with the goal of helping people save money and keep stuff out of the landfill. Then I wrote a book about laptop repair that’s intended for a broader audience, including people who don’t aspire to any “beyond the warranty label” skills, and realized I had a problem. How could I tell somebody with a three or five year old laptop that it’s worth spending several hundred dollars to have a technician repair something that can’t be cured with a USB add-on? For those of us who do our own work, fixing it is more than half of the fun, but for people who pay for repairs, they have a right to expect fair advice about value. So I bit my lip and wrote a couple sections about the value, or lack thereof, in used computer equipment, and on how to shop for new stuff. I moved those laptop troubleshooting flowcharts over to this website a couple months ago..

But the idea of throwing away stuff that still works just sticks in my craw, and from an environmental standpoint, it usually doesn’t make sense. People forget about the energy cost of manufacturing new stuff when they throw away their old appliances to replace them with higher efficiency units, not to mention the disposal of the old equipment. Certainly, if you can replace an old 50% efficient oil burner with a new unit pushing 90%, it’s gong to make sense for both your pocketbook and the environment. But trading in washing machines every few years doesn’t make a bit of sense, it’s bad enough that the don’t last nearly as long as they should. I’ve included pricing guides for second hand PCs and laptops on this site, just to give you a practical idea of market value.

When the problem you’re trying to fix isn’t obvious, it can help to have a flowchart that logically takes you through the process of elimination. Several of my published computer repair books feature a troubleshooting approach based on flowcharts. I’ve been working on a new series of automotive diagnostic flowcharts, with drafts completed for starting problems, overheating and coolant loss, and ticking noises. Click on the miniature troubleshooting flowcharts to expand for the full size, with expanded text explanations for every decision point.

Auto troubleshooting


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Laguna Niguel

Over one-third of Laguna Niguel is designated as open space. This significant amount of open space is one of the key features defining the character and urban form of the City. The City has 2 community parks, 23 neighborhood parks, 3 mini-parks, 1 dog park, 2 county regional parks, 2 small county parks and the new Laguna Niguel Skate Soccer Park.

Laguna Niguel Electrician Berk s Electrical and Lighting

Electrician in Laguna Niguel, California to serve you with personal, friendly, reliable, experienced and lasting service for electrical repairs, installs, and upgrades. Call us at (714) 744-4300 or (949) 857-8385.

Berk s Electrical and Lighting is a full service electrical contracting company that has been providing electrical contracting for exterior, interior and landscape lighting, retrofits, service installations, new construction, renovations. tenant improvements, service upgrades and repair since the early seventies. Working on designs from start to end with his qualified team of project consultants and technicians Berk s Electrical and Lighting provides the necessary confidence any client needs to get their project finished on time, on budget and to code. Anyone knows that professional interruptions can cause inefficiencies that have a sudden impact on project costs, that s why Berk s Electrical and Lighting focuses on getting electricity restored into your system in the fastest and safest manner possible. It goes without saying that this is at the minimum risk to any valuable or data sensitive equipment.

Our professional Laguna Niguel electricians can come to your Laguna Niguel home and diagnose any problem you may be having. Our trucks are fully stocked to ensure that we have the right tools and materials to ensure the best service for your home. We will do all your electrical work personally to guarantee an excellent job for you. All the electrical materials we install for your project will be the finest that are available.

Quality electrical work depends on consistency and uniformity. That is why there is an electrical code, so everyone is clear on the correct and incorrect way to perform an electrical repair or installation! As a professional electrician, you can depend on Berk s Electrical and Lighting for an electrical repair that will last!

Laguna Niguel Residential Electrical Repairs

Our professional Laguna Niguel electricians can come to your Laguna Niguel home and diagnose any problem you may be having. Our trucks are fully stocked to ensure that we have the right tools and materials to ensure the best service for your home. We will do all your electrical work personally to guarantee an excellent job for you. All the electrical materials we install for your project will be the finest that are available.

Laguna Niguel Commercial Electrical Repairs

Any Commercial building or place of business can use a wide range of Laguna Niguel electrical services, whether it is maintenance or installation. Dedicated circuits to avoid overloading of the circuits and circuit breakers. Energy saving lighting both inside the building as well as outside. Proper voltages to the machines and equipment ensures a longer running time with less problems.

Parking garages and outside parking lots should always have sufficient energy saving lighting. One Laguna Niguel commercial electrical service is if the light fixture does not have energy saving lamps and ballasts, electricians can retrofit the light fixtures making them energy efficient which will lower electricity bills and save electricity.

Electrical Services

Fluorescent Ballast, 110V Circuits, 220V Circuits, 480V Circuits, New Circuits Breakers Fuses, Air Conditioning, Pool Motor Problems, Rewiring, Troubleshooting Indoor Outdoor Lighting, Meter Upgrades Panel Change, Repair Audio Visual Arrays, Ground Fault Interrupter, Track Lighting, Motion Sensors, Panel Upgrades, LED Lighting, Fluorescent Lighting, Troubleshooting And Much More!


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NetScanTools ® internet and network information toolkits
for the Windows ® operating system.

About NetScanTools® Products

We have a NetScanTools® edition** to suit your needs. Our network toolkits are designed for those who work in network engineering, network security, network administration, network training, or law enforcement internet crimes investigation. We have a free edition for home users. **NetScanTools are 32 bit programs that run equally well on 32 or 64 bit Windows 10, 8, 7, Vista, 2012, or 2008.

NetScanTools® Pro Installed Version

Network professionals like yourself rely on the installed version of NetScanTools® Pro to solve their daily network problems.

We designed NetScanTools Pro with Network Administrators, Network Engineers or Technicians or Training Instructors in mind.

  • $249 for a single installed version license that includes a one year maintenance plan.
  • $348 bundled with a license of the Managed Switch Port Mapping Tool

Try the NetScanTools Pro version 11 Demo

Request a Download

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NetScanTools® Pro USB Version

Network professionals on-the-go rely on the USB version of NetScanTools® Pro to solve their daily network problems. The USB version is a fully portable application that resides entirely on the flash drive.

The USB version of NetScanTools Pro is designed for Network Engineers, Technicians or Security Personnel who frequently move from machine to machine.

It has the same set of over 50 network tools in an easy to use interface. The difference is that you do not have to install the software.

  • $299 for a single license that includes a one year maintenance plan with the software preinstalled on a 32GB high speed USB 3/2 flash drive (USA delivery only). There is room to put your own favorite portable applications like Wireshark or NMAP on the drive.
  • $259 for a single license that includes a one year maintenance plan – you supply the USB flash drive – recommended for non-USA purchasers). You will be installing this on your own high speed USB flash drive with tech support assistance to fully activate it on your drive.

Try the Installed Version NetScanTools Pro Demo

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NetScanTools Pro Screenshot


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STEELCENTRAL APPRESPONSE

We went from being virtually blind to having a hawk’s-eye view of the network; able to see the whole picture yet capable of zeroing in immediately on details for trouble-shooting, capacity analysis, and planning. – Jean-Francois Bustarret, senior network architect, e-TF1

What is SteelCentral AppResponse?

Riverbed AppResponse joins together advanced application and transaction insight, comprehensive end-user experience monitoring, and deep network intelligence into a single appliance to provide total visibility into your application performance problems. It helps you discover where and when bottlenecks are occurring so that you can troubleshoot problems faster, and it streamlines workflows and reporting to enable cross-team collaboration to put an end to finger pointing.

Using high-speed packet acquisition and multi-stage analytic processing, AppResponse delivers rich network and application insights for traditional and web applications, VoIP and video quality monitoring, database performance analysis, and Citrix-delivered apps.

Features and benefits of SteelCentral AppResponse

“The users are happier now, so the IT staff doesn’t have to crawl under the floorboards when they go for coffee.” – Peter Toft, IT Department Manager, Icopal

Even split seconds of slow page times can have a huge impact on the revenue for an enterprise. When you have thousands of users per hour accessing your applications through web pages, you need to quickly answer:

  • What pages were slow?
  • When they were slow?
  • For whom they were slow?

AppResponse pinpoints mission-critical web application problems quickly, letting you resolve them before end users even notice.

Identify the root-cause of application performance problems faster with SteelCentral AppResponse

With SteelCentral AppResponse you will quickly see if a performance problem is rooted in the network orservers. View response time for all users and transactions by application, user business group, and location. Understand end-user experience for both SteelHead-optimized and non-optimized web and SaaS applications.

“As the global network manager, I didn’t want to spend my time analyzing network traffic; [SteelCentral AppResponse] does the work for us and puts our team at ease so we can focus on planning strategic IT projects that impact our business.” – Global Network Manager. Coty, Inc.

“I was skeptical at first, but I have to say that the [SteelCentral AppResponse] box definitely ‘does what it says on the tin’. Its ability to quickly drill down to the cause of performance issues, its amazing ease of use, and the clarity of its presentation of so many useful metrics, have made it our primary tool for application performance management.” – UK Network Manager, IT Centre UK. ALSTOM

The [SteelCentral AppResponse] solution has given us a scientific approach to managing the site, making the hard data we need easily available for analysis and thus enabling us to forecast, act, and react much more appropriately. And now, when my boss comes down and asks me ‘what’s up with the network’, I can give him a complete answer—in terms of the impact
on our business—in ten minutes or less.”
Senior Network Engineer. Hotwire.com

[SteelCentral AppResponse] saves us more time than any other management tool we use. It’s like having another person on staff.” – Senior Network and Systems Analyst, Colgate University

AppResponse ROI Calculator shows you how you can reduce costs of delivering applications to users.

SteelCentral AppResponse integrates application and network performance management to deliver:

  • Deep packet inspection and application recognition
  • End-user experience monitoring for web applications at the user transaction level
  • End-user experience monitoring of SteelHead optimized SaaS and on-premise web applications
  • Response time decomposition
  • Database transaction analysis
  • Per-user Citrix XenApp transaction analysis
  • Continuous VoIP and video monitoring
  • Rich network intelligence

Supported Network Packet Brokers:


AppResponse monitors end-user experience for SteelHead-optimized enterprise web and SaaS applications and helps you understand the benefit of SteelHead WAN optimization in terms of the effect on end user experience.

Compatible Riverbed solutions to solve application performance issues

  • When SteelCentral AppResponse reports which server is causing the delay, deploy SteelCentral AppInternals to conduct a full code-levelapplication diagnosis.
  • If the network seems to be the issue, SteelCentral NetSensor displays performance data all along the layer 2/3-network path.
  • Seamlessly drill into SteelCentral Transaction Analyzer for in-depth analysis of individual multi-tier transactions.
  • AppResponse leverages Riverbed SteelHead appliances in the branch, data center and cloud to provide visibility into end-user experience for optimized enterprise web and SaaS applications.

Citrix Monitoring for SteelCentral AppResponse

Citrix offers significant benefits to IT organizations. But, due to its unique architecture, the lack of a complete view of user transactions can sometimes complicate the performance-troubleshooting process. The CX-Tracer module uses industry-leading analytics in SteelCentral AppResponse to pinpoint the root cause of performance problems for Citrix-hosted applications.

CX-Tracer automatically correlates front-end user sessions to their back-end counterparts, enabling end-to-end analysis of individual Citrix user sessions. Additionally, CX-Tracer complements and extends your existing Citrix monitoring solutions such as Citrix EdgeSight.

Database Performance Monitoring for SteelCentral AppResponse

With the Database Performance module you can identify the impact of a database on end-to-end application performance. By monitoring database performance at the transaction level, the module can identify the particular SQL statement or database call responsible for application delay and equip your database team with actionable information.

Because it uses passive monitoring for zero overhead on database operations, no database logging is required. You get a unified view of the end-user experience and database performance, to complement and extend your investment in database-health monitoring tools.

Unified Communications Monitoring for SteelCentral AppResponse

With the Unified Communications module you can monitor and report on live VoIP and video calls. Manage voice, video, and data on the same network, and proactively resolve communication issues by using real-time and historical data on both application performance and call quality.

With passive speech-quality analysis, you can monitor call quality and resolve issues before they affect end-users. Prioritize problem resolution and set meaningful SLAs based on the effect of call quality on various areas of your business, and then easily troubleshoot with real-time, web-based dashboards for speedy resolution.

Shark module for SteelCentral AppResponse

Add Shark module to your SteelCentral™ AppResponse license to create a single appliance that provides rich network intelligence, end user experience monitoring and transaction analysis. Accelerate problem resolution with streamlined workflows and deeper network insight, letting you get to the right level of information needed to solve problems quickly and easily.

Global Selector


Liftmaster Garage Door #lift #master #garage #door #opener #troubleshooting


Got Garage Door Problems.

A lot of the problems Liftmaster Garage Door Opener owners face tend to be with the opener not working consistently. Many cases the reason for the failure comes from the garage door sensor being in the wrong place or a setting not adjusted correctly. Liftmaster offers garage door owners a few recommendations on what they can do to troubleshoot a garage door opener that is not operating correctly.

Garage Door Troubleshooting | Instructions

  1. Clear all obstructions from around the safety sensors if the door does not close or only closes part of the way. Some of the items that can cause obstructions are bicycles, cars or people. Smaller items also can cause problems, particularly if they are located close to the sensors. Make sure there are no leaves, trash or dirt directly on or near the sensor.
  2. Clean the sensor lenses if the doors sometimes close, but often do not close all the way. A little bit of dirt or debris on a sensor lens can cause the two sides of the sensor to not be able to communicate with each other. You can use a rag to quickly swipe dirt or other substances away from the sensor lens.
  3. Check each of the sensors for a glowing light on the top of the sensor. If both of the lights are on, this means that the sensors are not properly aligned. Use a ruler to make sure that both sensors are the same distance above the garage floor. The sensors should be no more than 6 inches off the ground. You can place a small item like a bolt on the casing just underneath the sensor and press down on the sensor. Do this on both sensors in the garage. This helps to align them.
  4. Unplug the garage door opener if the garage door opener seems to work fine, but the lights on the unit do not come on when the door opens or closes. Proceed to unscrew the light bulb and replace it with a new light bulb. Plug the garage door opener cord back into the outlet and press the button to open or close the garage door.
  5. Press and hold the Learn button on the garage door opener for six seconds and then release it if the garage door opener is opening and closing by itself. Pressing the button in this way resets the system and stops the door from continuing to open and close.

Car Air Conditioning Repair – Troubleshooting – Completely Firestone – Firestone Complete Auto Care #online #auto #auction


#auto air conditioning repair
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Car Air Conditioning Repair Troubleshooting

What is Black Death

If you re about to go to bed and want to avoid nightmares, you might want to put off reading this until morning. If you re about to get in the car, please read on.

While Black Death is not the same as the deadly plague during the 14th century, a car A C system experiencing Black Death will be infected like the plague. Black Death starts out inside the compressor after refrigerant breaks down. Since refrigerant acts as a working fluid much like how motor oil is the fluid which provides lubrication to protect the engine, a refrigerant breakdown will result in ugly wear, starting in the compressor. From there, the sharp and grimy metal particles created during compressor breakdown can then travel through the rest of your A C system, wreaking havoc on the entire system. Before you know it, all cold air, and airflow for that matter, will be long gone. Cue the A C grim reaper.

The best protection from Black Death is an A C Performance Check. Schedule one today.

Why does my A C have weak airflow

We feel your pain and discomfort caused by weak airflow. The sweat alone is enough to drive any of us crazy. However, there are a lot of factors at play. If you notice reduced airflow early on rather than later take the right step and have it looked at before other fatal A C system damage can occur.

Main causes of weak airflow:

  • Mold or mildew may have accumulated in the evaporator core from residual moisture that occurs during the cooling process. When this happens, air will have trouble reaching your air vents.
  • A hose has come loose. This usually happens with the blower hose that supplies air to the blower unit.
  • Ventilation fan is fried. If the fan s not blowing, air won t be flowing very well.
  • Seals. No, not those seals down by the pier. Core case seals, blower house seals or evaporator core case seals; All can open up and diminish air flow. A C ventilation systems are very sensitive and must remain sealed. Once they re opened, the whole system is compromised.

Whatever s the cause of your airflow problems, we have the answer. Schedule an A C Performance Check .

Are there any system warning lights to alert me to an A C problem

Typically, no, but some vehicles have Driver Information Centers DIC that may display the status of many vehicle systems. Refer to your Owner s Manual for more information.

My A C isn t as cold as it used to be, what s going on

There are several reasons an A C system can lose its cool. Bring your ride to us as soon as you start noticing this symptom, it could mean the difference between needing a small repair, or worse, a large one. Here s what can cause your cold air to lose its cool.

The lack of precious cold air could be caused by:

  • A Freon leak caused by a failed o ring, seal, hose or component
  • A clogged expansion tube or refrigerant charging hose
  • Failed compressor or compressor clutch
  • Failed blower motor or blower motor resistor
  • Damaged or failed condenser or evaporator
  • Vacuum leaks
  • Failed switch, fuse, relay, control module, blend door or solenoid

Leaks can be devastating. When an A C system develops a leak, you have what s called an open system. If you or your technician discovers the leak early, your repair will be less expensive. Unfortunately, if a leak has been affecting your cold air for a while, moisture will most likely have entered your A C system and may have damaged other vital and expensive parts. Stay cool. Schedule an A C Performance Check.

The A C starts out cool then starts getting warm, what s happening

Well, like many complicated stories, there s never one simple answer. A C systems are a fickle breed. Your best bet is to have us inspect your system for any of the following listed symptoms.

From cold to hot and all the symptoms in between:

  • The clogged expansion valve: The expansion valve distributes the proper amount of refrigerant to your evaporator. If the valve is blocked, the refrigerant can t flow into the evaporator. With the valve clogged, the refrigerant will start to freeze the valve altogether if moisture is present.
  • Faulty compressor clutch: If the clutch is not engaging with your compressor, than your compressor can t maintain the correct pressure. Hot air will result.
  • The blown fuse scenario: Fuses sometimes short out. If the fuse associated with your A C system goes, the power to certain parts will stop.
  • Leaks are an A C system s worst friend: Leaks are the result of damage or the presence of moisture. When moisture and refrigerant mix, nasty corrosive acids will eat away at seals and components, causing a leak.

What is the smelly, gym locker odor coming from my A C vents

Sounds like you have an odorific problem on your hands. There are a few issues that may be causing this smell.

Potential causes of nasty gym locker odors:

  • Dirty and old air cabin filter.
  • Moldy evaporator case. A problem for many vehicles when water sits in the evaporator case because the case s drain is blocked. Mold will accumulate.

How do you test for an A C system leak

While we re no C.S.I. unit, the ways to detect an A C system leak are not far off from an episode of the ever popular investigation show.

Detecting leaks:

  • Black light enabled dyes. You read that right. A lot of refrigerants are pre mixed with a special U.V. dye that shows up under black light. We ll run a black light over your A C system to see if any dye shows up.
  • Bring in the sniffer. A sniffer is a special device that hones in on the refrigerant s chemical components. If there s a leak, our sniffer will sniff it out.

What causes an A C system leak

Quick fact: If moisture is present, it could damage your accumulator, receiver or drier. Remember, these devices are responsible for removing moisture from the A C system and will eventually stop functioning once they are exposed to an open system leak or crack .