Category: A Guide To With Mr. Fixit
Automotive air conditioning systems are self-contained structures which cool the cabin of a vehicle by changing the phase of refrigerant from gas to liquid and back again by applying and releasing pressure on it. The ability of refrigerant gas to change its physical properties as it is compressed and cooled is what makes the air
Car batteries generally last between three and six years. Which end of that range a battery’s life will fall depends largely upon how it is treated. Multiple discharge/recharge cycles shorten the battery life. Frequency of use and length of road trips, variations in weather/temperature , accessory usage, humidity, dew and corrosion all can affect this
Over the past thirty years, the mobile air conditioning industry has experienced extensive changes. Until 1995, automotive A/Cs used refrigerant R-12. After 1995, the industry switched to R-134a. In 2015, we began transitioning to R-1234yf, but for the purpose of this article, we will focus on vehicles with model year 1995 and earlier. If you
To keep your automotive A/C running well throughout the year, it’s important to be proactive. An annual inspection is recommended, ideally during the Fall or Spring seasons. Many use the change to or from Daylight Saving Time as an inspection reminder. Note: Always use extreme caution when under the hood with the engine running. Use
Before servicing a vehicle, confirm system refrigerant type. Cross contamination of refrigerants can cause damage to A/C system, service tools and equipment. Be sure to always use protective hand and eye wear. The right (red) side of the manifold is the high side and the red gauge is the high pressure gauge. The left (blue)
We sometimes hear from customers wondering what type of refrigerant is in their air conditioning system. It’s important to correctly identify the refrigerant prior to a recharge because mixing refrigerants is not only illegal, but dangerous. As a general guideline, it’s good to know that cars manufactured prior to 1995 came with R-12, a refrigerant
An automotive air conditioning system is a closed loop. As the refrigerant moves through the system it is subject to pressure variations which change the phase of the refrigerant from liquid to gas and back again. As these phase changes occur, the temperature also changes, heat is released, and “air conditioning is made”! Because of
Have you ever gotten into your car on a hot summer day, eager to cool off with MAX COOL A/C, only to find there is no air coming through your vents? (No cool air, no warm air….just literally NO air!) This issue isn’t one which can be diagnosed without further exploration. Components must be individually
Have you ever experienced a sweltering day where you started your vehicle, cranked the A/C and a few moments later realized it’s simply not generating cold air? It’s happened to most of us at one point or another. But what do you do about it? Live without A/C? Drive directly to your local shop or
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