For most vehicles, the low pressure side fill port is located on the left side of the engine bay . It will often be a small section of metal pipe that has two lengths of rubber hose coming off either end. Look to the back of the engine bay called the firewall.
Do you add refrigerant to the high 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 SAFETY’S SAKE.
Do you charge car AC on high or low 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.
Which port do you put Freon in?
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.
Will AutoZone add freon?
What to Do if A/C Stops Working? ... When it’s time for an AC recharge, turn to AutoZone. We carry R134a refrigerant , PAG46 oil, AC stop leak, AC system cleaner, and more. You can shop online for same day in-store pick up or go to your local AutoZone to find the right AC solution for you and your vehicle.
How many cans of Freon does a car take?
There should be a permanent label on the under side of your hood or in the engine compartment with that info. Most common refrigerant is 134A. Depending on how much is still in the system you may need 1 or more cans . 3 cans average .
Can I add Freon to my car myself?
You’ve likely run low on refrigerant in your A/C system. Over time, tiny amounts of refrigerant leak from the lines, degrading A/C performance. ... Recharging your air conditioner yourself is inexpensive and can be completed in just a few minutes.
How much does an AC recharge cost?
A professional AC recharge cost ranges from $150 – $300 on average depending on the make and model of your vehicle. Due to refrigerant losses that occur over time, this service is one that should be added to your vehicle maintenance schedule.
Do you charge AC with liquid or gas?
If you have a set of gauges, you can safely charge liquid into the low side . Just keep the low side gauge below 40 PSI while you charge. This will make the freon boil inside the charging line, it will be a gas by the time it enters the compressor.
Why is my air conditioner blowing out warm air?
If your air conditioner is blowing out warm air, your unit’s refrigerant levels might be low . This usually indicates a refrigerant leak in your system! If that’s the case, your air conditioner will continue to run and blow out warm air, trying to reach the temperature you set on your thermostat.
Will AC leak without cap?
The cap doesn’t do anything to prevent a refrigerant leak , but I wouldn’t drive around without it as it does keep keep dust/grit/water out of the port which can cause other issues and complicate future service.
Why is my car air conditioner not blowing cold air?
The most common causes of broken air conditioning are leaks or compressor issues. If your air is blowing cool but not cold, the problem could be a clogged filter , cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC.
Does Walmart put Freon in cars?
Walmart does not provide A/C recharging services. However, it does sell refrigerants with pressure gauges in-store and online under oils and fluids in the automotive section . You can purchase recharging kits for home use for around $45-$60.
What happens if you put too much Freon?
Having too much refrigerant in your AC can damage the compressor . This can happen because the excess refrigerant will likely collect inside the compressor and cause subcooling, wherein temperatures are below normal. Furthermore, the extra refrigerant can flood the compressor and damage its mechanical parts.
