These are the high-pressure gauges. The low-pressure side goes to the blue port on the gauge. You should connect the lower pressure side to the blue pressure gauge using a blue hose. For discharging a unit, you need a disposal hose attached at the center of the manifold HVAC gauge.
How do you connect freon gauges?
0:352:28HVAC Training - Hooking Up Refrigerant Gauges - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the best way to put your gauges on is making sure that the system is off. You look it up to yourMoreSo the best way to put your gauges on is making sure that the system is off. You look it up to your low. Side finger tight you dont need any. Any tools just good and tight by finger.
Which side does freon go on high side or low side?
The freon is added on the LOW PRESSURE SIDE ONLY. The hose tool you bought is made so you can only hook to the low side as the high side and low side fittings are different sizes and shapes for SAFETYS SAKE.
Which side do you add Freon to?
Attach the gauge with the blue hose to the low-pressure valve on the left side. Attach the gauge with the red hose to the high-pressure valve on the right side. Leave the center valve open for now; that is where youll connect the yellow hose to feed the refrigerant into the system.
How do you check Freon gauge?
12:4816:52How to Check AC Freon Level - YouTubeYouTube
Will AutoZone add freon?
What Happens If You Overcharge Your AC? If you need help performing this, or any AC recharge or service, check out our list of preferred shops in your area that can help. Or, if youd like to tackle the job yourself, AutoZone has all the tools and refrigerant to service your R-134A or R-12 vehicle.
How do I know if my vehicle needs freon?
Well, there are a few signs to look for.Room Temperature Air. One of the most characteristic symptoms of low freon is the presence of room temperature air blowing from the vents. Visible Leaks. Of course, another sign of low freon levels is a visible leak. Clutch Doesnt Engage. Ice on Compressor.14 Nov 2017
Can you recharge AC through high side?
Every auto air conditioning system has two service ports: one on the high pressure and one on the low pressure side. When recharging with AC Avalanche refrigerant, for safety, you will charge through the low side service port. Never charge through the high side port.
Why is my high side pressure low?
The reason you have a high pressure side and a low pressure side at all is because the compressor increases the pressure and as it runs through your AC system to the condenser where it changes from a gas to a liquid and it will eventually lose pressure again as the cooling process takes place.