How To Use Ac Gauges For Car

After closing both low- and high-side valves on the manifold gauge set connect hoses to respective low- and high-side pressure fittings on the vehicle. With the engine OFF for at least 30 minutes read the low and high-pressure gauges.

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Start the vehicle then turn on the AC system and let it run until the gauge readings stabilize.

How to use ac gauges for car. You dont hook the vacuum pump directly to the AC system. With the AC turned OFF - On a cold day the pressure will be low on a hot day the pressure will be high. Open the gauges to get the PSI readings on your unit.

How to fix ac problems. How to read and recharge the AC system using pressure gauges. How to use AC gauges in your car DIY with Scotty Kilmer.

Step 2 Connect the high side hose red to the high side port on the AC unit. The table below shows the comparison between temperature and pressure for R134a. The system should be recovered vacuumed min 20 minutes and charged.

First you need to evacu. In this video I will show you how you can use an air conditioning AC manifold gauge set to both diagnose problems and add refrigerant to your cars ac sys. Write down the pressure.

This professional automotive AC tool kit includes a 4-way gauge 4 color-coded hoses 2 adjustable 14 quick couplers a 12 to 14 Acme adapter a 14 to 516 tank adapter 516 to 14 angled and straight adapters and a puncture-style can tap. The gauges readings will depend on the ambient temperature. Attach to the hoses and gauge set to the high and low side ports of your AC system.

Start your engine and run the ac system with all controls at their maximum setting until it has had time to cool the inside of the car. Start to screen the measure by looking for the AC blower to connect with the grasp. Restart the vehicle and ensure the climate control system is on the most elevated settings.

Make sure that your car or truck does not overheat. Start the vehicle. When the blower is locked in if the low side weight is under 40 psi it is checked that the AC framework is undercharged.

Turn on the AC system and let it run until gauge readings stabilize. If the pressure shown on the gauges differ from the manufacturers specs determine the problem and make necessary repairs. Recharge your AC system properly.

You to first hook up a refrigerant gauge manifold set to the low pressure port on the system. COMPLETE GAUGE SET. If the gauge readings are within the manufacturers specification and the AC system appears to be operating properly stop the AC system turn off the vehicle and disconnect the hoses from the system.

First turn off your cars air conditioner and shut the engine down. The high side is the smaller pipe on the unit. Connect the low side hose blue to the low side port on the AC unit.

I go though all of the steps on how to safely charge your air conditioning system with refrigerant. They should be the same because the high and low side pressure equalize once the compressor shuts off. Restart the vehicle and screen the measure.

Enjoy hassle-free setup and easy operation as you nip your HVAC problems in the bud. Connect the red gauge to the high side service port on the AC unit. Generally this is the blue hose that is attached to the gauges.

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