How to fix the A/C in my truck?

August 10th, 2020 by

Broken A/C? Here’s How to Diagnose and Fix It.
Summer can be brutal, especially in places like our home state of Arizona. The last thing anyone wants on a hot day is to get into their 100° F (or more) vehicle and find out the A/C is busted.

But what if you’re already in that unlucky position? How do you deal with? Here’s how to fix a malfunctioning A/C system in your vehicle.

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Diagnosing the Problem
turning up A/C
Most likely, the problem is a leak somewhere. These aren’t always easy to spot, but we’ll go over how to find and repair them in a bit. In general, most A/C system issues are caused by one of the following:

Refrigerant leak
Clogged/broken condenser
Compressor malfunction
Electrical problems
Busted cooling fans
Unless you have automotive repair experience, anything other than a leak may require specialized tools and equipment you may not have. If that’s the case, we recommend taking it to a professional.

Fixing a Refrigerant Leak
To fix a leak, you’ll need to buy some refrigerant. Once you’ve done that, locate the low-side service port. The exact location will be listed in your truck’s owner’s manual. Hook up the replacement refrigerant and fill up the A/C system until it is “full.” “Full” is different for every vehicle, so follow the directions that come with the refrigerant closely to make sure you don’t overfill it. During this refill process is when you’ll be able to find a leak the easiest. The influx of pressurized refrigerant will blow out of any compromised tubing, so you’ll be able to see tears/holes/cuts in any hosing clearly. There are many ways to fix a leaking hose, from heat-shrink tape to brand new tubing.

Don’t Want to Deal With It?
Here at Trucks Only, our team of expert truck mechanics can fix up your A/C, no problem. Don’t quite have the funds for repairs? We have the solution! Trucks Only now accepts Snap Finance and Synchrony Bank payment plans. If you need some repairs or maintenance done on your truck, give Trucks Only a call.

Posted in FAQs, Tips and Tricks