Where is the low side service port on an air conditioner?

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.

Where is the low pressure valve on a Volvo 240?

LOW PRESSURE SIDE: The service valve (fill valve) for the low pressure side of a 1991-93 240 is located on the pipe coming from the firewall to the accumulator (evaporator outflow or suction pipe). For 1991-92, this valve will be configured for R12. An adapter fitting may be used to convert it for R134a filling.

Where is the low side service port on AC Avalanche?

To summarize: Every A/C System has two service ports: A high side and a low side. When recharging with AC Avalanche, you will only use the low side service port. The low side line of the system will have a larger diameter metal pipe than the high-side. The low side service port is usually located between the AC compressor and evaporator.

Where is the low pressure air conditioner Charger?

The first step in recharging your system is to locate the low side service port (or low-pressure port). 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.

Which is on the low side of a refrigerant system?

Absorption, or on the input side of the compressor is the last item on the low side of the system. The main components of the cooling system: Evaporator to absorb heat in the refrigerant system.

Where is the low side service port on a R-134a?

R-134a Recharge hoses will only fit on the low side service port on all R1-34a vehicles and R-12 vehicles that have been converted to R-134a. If you don’t know where your low side port is you can try using our low side port finder.

Where is the low side Freon recharge port?

There are 2 ports (both a large and small size) on the metal line running from the evaporator to the condenser, but I can’t find a port between the compressor and the evaporator, which should be the low side. Please let me know where to low side port is. Re: A/C freon recharge – low side port?

Where are the high side and low side ports?

High Side Versus Low Side Ports Both ports are located on the air conditioner’s metal pipes. The low-side port, like the name suggests, is lower on the pipes towards the front of the engine. While the low-side port is intended for recharging Freon, the high-side port is used for maintaining an air conditioner’s internal pressure.

Where is the low side air conditioner port on a Buick Enclave?

Buick Enclave Low Side Air Conditioner Port. – YouTube Buick Enclave Low Side Air Conditioner Port. If playback doesn’t begin shortly, try restarting your device.

Which is the low side of the AC line?

The low side, or suction line, will be the line connected to the compressor from the top or higher position. It will be cold to the touch and may be wrapped with insulation. This is where freon enters the compressor as a gas. Step 3. The high side, or discharge line, will be the line connected to the compressor from the bottom or lower position.

How to add Freon to a Saturn SL-2000?

How to add freon to your 2000 Saturn SL: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure. In addition to cooling, freon lubricates the compressor when it runs. Advance Auto coupon for 20% off entire order: KIOSK20

What to do if your Saturn SL has a leak?

When the air conditioner in your 2000 Saturn SL starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant.

Why is my Saturn SL blowing hot air?

Video Description When the air conditioner in your 2000 Saturn SL starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system.

Where is the a / C compressor located in a car?

First, find the compressor. It is driven by the fan belt near the radiator at the front of the vehicle. Here is what a typical auto a/c compressor looks like: If you are having trouble identifying your compressor, you might want to try visiting this page and entering your vehicle information to see a list of compatible compressors for your engine:

How to find a car’s low-pressure service port?

You can easily recharge your car’s air conditioner with A/C Pro and get your car blowing cold air again. To do so, you just need to find the low-pressure A/C service port on your car. In this video, we describe how to find your car’s low-pressure port. If you need help, visit our online port locator: http://bit.ly/R1sGss.

What kind of a / C system does a Malibu have?

Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant. The A/C system in your Malibu consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling.

How to add Freon to a 2002 Chevy Malibu?

How to add freon to your 2002 Chevrolet Malibu: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure. In addition to cooling, freon lubricates the compressor when it runs. Advance Auto coupon for 20% off entire order: KIOSK20 Author

Where are the service fittings on a Chevy Tahoe?

Locate the service fittings on your Tahoe’s air-conditioning system. You may need to refer to your owner’s manual. The Tahoe has two fittings. The low side fitting is on the suction hose running from the accumulator to the compressor. The high side fitting is on the hose from the compressor to the condenser.

How do you run an air conditioner on a Chevy Tahoe?

Close the valve to prevent losing extra refrigerant. Connect the service hose to the low side fitting. Hold the can upright to keep the refrigerant from getting into the hose. Start the Tahoe’s engine and turn the air conditioner on to the max. You may want to have another person do this step so you can monitor the refrigerant.

What should my AC low side pressure be?

When the engine is on and the AC is on high, low pressure readings should be around 30 psi and the high pressure side should be about 250 psi depending on your car. The correct reading will display once the clutch engages and the gauge stops cycling.

Is the a / C on my Silverado Sierra working?

I have a 2002 Silverado with a 5.3L engine. The A/C is not working and I want to check the pressure on both the low and high side, but can not find the low side port.

Where is the low pressure port on a Silverado Sierra?

I have a 2001 silverado 5.3 and just added some 134 and the low pressure port was the smaller one and was located closest to the cab the high pressure port was closest to the front of the truck and larger in size. My truck was blowing cool but not cold in heat. I added 1/2 a can of 134 and it’s blowing nice and cold now.

I have a 2002 Silverado with a 5.3L engine. The A/C is not working and I want to check the pressure on both the low and high side, but can not find the low side port.

What should the high side pressure be on a Chevy Silverado?

Add to the low side and monitor high side pressure. High side pressure should be 2.2 to 2.5 times the ambient temperature. If it’s 100 degrees then the high side pressure should be between 220 and 250 psi. Start by targeting the lower end of that, it’s easier to add than remove. When you stop adding your low side should be between 30 and 40 psi.

What’s the difference between high and low side service ports?

While the low-side port is intended for recharging Freon, the high-side port is used for maintaining an air conditioner’s internal pressure. Vehicle air conditioners use either R12 or R134a Freon, depending on their year of manufacture.