At Davis Auto Care in Grass Valley, we understand how important it is to have ice cold AC in your truck on a long, hot day. Whether you drive a Chevy, Ford, or Dodge diesel pickup, chances are you have a lot of cab to cool down, and a subpar AC just won’t cut it.

Air Conditioning systems are comprised of many parts, gaskets, and hoses, all of which work together to keep your system running cold. If just one component in the system fails, it’s likely that the entire system won’t operate. For this reason, upkeep is the most important aspect of reliable climate control. Be sure to have your system checked and tested regularly, and don’t ignore warning signs. If your truck makes any unusual sounds when you turn the AC on, isn’t cooling as well as it used to, or you experience any other abnormalities with the AC running, there’s a good chance a problem is developing. Get it serviced before it turns into a much bigger one.

Gaskets and O-Rings - Bad seals at fittings are cheap and easy to repair, but often difficult to track down. If you notice that the AC blows cold after you fill it with refrigerant, but the refrigerant leaks out slowly leaving the system empty again, a bad seal is most likely your culprit. AC Parts If the AC won’t kick on at all or doesn’t blow cold, but the refrigerant isn’t low, a bad part is most likely to blame. Compressors, dryers, condensers, and relays are a few of the parts essential to your AC system. Depending on the symptoms and through a variety of tests, the bad part must be diagnosed and replaced to restore functionality.

Hoses - Hoses and lines tend to wear through, or dry rot and crack over time. Like a bad gasket, a faulty hose will leak refrigerant out of the system over time. Usually (but not always) the leak will be much more obvious; you may hear refrigerant escaping as soon as you add more in. Bad Refrigerant Sometimes, the refrigerant itself is to blame. After years of use, it can expire, or become contaminated with water, rendering it useless. A simple system pump and refill can have an AC system working like new in no time.

One last thing; before doing anything, check your cabin filter. Typically it’s located behind the glove box, or your technician can always find and inspect it for you. Many poorly functioning AC systems are simply victims of an excessively dirty cabin filter, which chokes the flow of cool air through the vehicle. Often, a ten-dollar filter will restore your AC back to prime shape.

For professional AC diagnostics and repair, and for any of your other diesel truck repair and maintenance needs, our expert technicians have you covered. For the best truck service repair shop in Grass Valley, call or stop by Davis Auto Care today.

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