When you're finished filling, don't forget to put the cap back on the low pressure port to keep gunk out. Even if the can is empty, hold on to the pressure gauge because not only can it be used to check your AC system pressure, next time you add refrigerant you will only have to buy the can!
Fix Your Warm AC: Recharge Your Air Conditioner with Freon
By Matthew Wright, About.com Guide
10 of 10
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Wrapping It Up
This system reads a low 10 pounds, so keep adding.
photo by Matt Wright, 2008
Keep an eye on the gauge as you fill and you'll get the right amount of refrigerant in. Don't worry if you are off by a few pounds, it's not a big deal. The gauge in the above photo only reads 10 pounds, so this system was very low on refrigerant. Fill it to the proper level and you'll have cold AC once again.
Prev
- Can You Recharge Your AC With Freon?
- The AC Recharge R134 Kit
- Preparing the Recharge Kit
- Assembling the Recharge Kit
- Locating Your Low Pressure Port
- Clean the Low Pressure Port
- Attaching the Hose and Testing the Pressure
- Preparing to Add Some Refrigerant
- Adding the Refrigerant to the AC System
- Wrapping It Up
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