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On average, the cost for a Audi S4 Car AC High Pressure Hose Replacement is $430 with $335 for parts and $95 for labor. Prices may vary depending on your location.
Your car’s air conditioning system works similarly to your home’s central air conditioning system. It uses a refrigerant to absorb heat and expel cold air – the refrigerant is both a gas and a liquid depending on the amount of pressure. The AC system has two “sides” – the low pressure side, where the refrigerant is a gas, and the high pressure side, where the refrigerant is turned into a liquid. An AC high pressure hose has a much smaller diameter than a low pressure hose (you’ll notice the size difference immediately if you open the hood and look at the air conditioning system). If the AC high pressure hose is leaking or blocked, the air conditioning will not cool your car.
Your air conditioning system is a sealed system and does not require maintenance unless there is a problem. The most common type of maintenance is an evacuation and recharge of the refrigerant in which old refrigerant and oil is extracted, and then replaced with new. However, age, heat and other forces can combine to damage your hoses, including the AC high pressure hose. If this happens, the hoses will need to be replaced. Damage can include cracks, refrigerant leaks, damaged connectors and more. If you suspect an air conditioning leak from the high pressure hose, have one of our expert mechanics diagnose the system and replace the hose if required.
It’s tough to stay comfortable in a car during high summertime temperatures if you don’t have a working air conditioner. If you’re experiencing problems with your air conditioning system, have the system diagnosed to determine what needs to be replaced or serviced.
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