High Pressure Ac Line Repair

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. So far, it is holding on a 2006 Chevy Suburban high pressure rear A/C line. The SUVs were designed such that the rear A/C line rubs against the heater hose crimp and eventually cuts a gash, letting all refrigerant out of the entire A/C system. The dealer quoted about $1000 to fix, but this splice repairs the gash. The hose near the top of the condenser is the high-pressure AC hose. Step 4. Remove the low-pressure AC hose from the condenser using an adjustable wrench or a set of needle-nose pliers. The low-pressure hose O-ring is located in the area where the AC hose connects to the condenser. Remove the O-ring from the AC hose.

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1-24 of 133 results for Automotive: Replacement Parts: Engine Cooling & Climate Control: Air Conditioning: Liquid Line Repair Kits. Dorman 800-641 Line Splice For 3/8 in. Aluminum Lines. by Dorman. $20.04 $ 20. 04. Only 17 left in stock - order soon. FREE Shipping on eligible orders.

High pressure ac line repair. Cold Hose is an automotive air conditioning fitting and hose website. We carry a full line of a/c fittings, hoses, charge adapters, and oring seals. All the fittings and hoses are indexed by size and or thread size. Cold hose has weld on barbs, compressor adapters, and much more on the specialty fittings page. What is normal automotive air conditioner pressure? Start the engine and turn on the air conditioner. Actual readings will vary according to ambient temperature. The low-side should be near 30 PSI at 90 degrees Fahrenheit or less. Pressure that is too much lower or higher shows there is a problem. Note: The most ideal pressure readings are around 150 high and 30 low. Warning: Remember, venting 134a refrigerant into our atmosphere is illegal and bad for our environment. The following table presents the possible inferences and the actions that can be taken, based on the level of pressure registered by the high and low pressure gauges: Need Help Finding Something? Customer service: 1-877-606-8088. Mon - Fri 8am - 5pm EST

I just did my first automotive AC repair, after the compressor in my 2004 Lancer 2.0 ate itself, cracked its casing, and blew all the refrigerant out. I think I did the repair & recharge correctly-- and the AC is blowing very cold-- but I'm concerned that the operating pressures are not anywhere close to what they are spec'd to be. Dorman - OE Solutions 3/4 Female Ext Tube End AC Repair. Part # 800-964. SKU # 183451 $ 6. 19. Free In-Store or Curbside Pick Up. SELECT STORE. Home Delivery. Standard Delivery. Est. Delivery: Oct 06-07. ADD TO CART. A/C Pro R134a reusable recharge hose. Part # CERTMB134-1. SKU # 86522 $ 14. 99. Free In-Store or Curbside Pick Up. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only AirSept Line Splice AIR76061. Part # AIR76061 The expansion valve also meters the amount of low pressure gas that enters the evaporator. If the expansion valve malfunctions where it fails to open while the AC compressor is operating, this will dead-head the compressor where the pressure builds in the high pressure hose and blows the hose off. I’d be looking for a defective expansion valve.

There are 2 pressure types that you must consider: the high-pressure side and the low-pressure side. Normally, it is the former (high-pressure side) that is always the issue. The low-pressure side pertains to the vacuum pressure (lower than atmospheric pressure) of the refrigerant (or coolant) before it enters the compressor. R-134a TEMPERATURE PRESSURE CHART (Tabla de Temperaturas y Lecturas) Ambient Temperature °F / °C (Temperatura Ambiental): Low-Pressure Gauge (Puerto de Servicio del Lado de Baja Presion): High-Pressure Gauge (Puerto de Servicio del Lado de Lado de Alta Presion): 65°F (18°C) 25-35 psi / 172-241 kPa: 135-155 psi / 931-1069 kPa AC not cold, high pressure line cool to the touch I am having an issue with my AC where it appears that my system is just pulling in the ambient air from outside. When I first turn my unit on I notice that the suction (big) line gets cold like it is supposed to and the high pressure line (little) gets hot as I would expect. Refrigerant charge quantity for air conditioners & heat pumps: This air conditioning repair article series discusses the the diagnosis and correction of abnormal air conditioner refrigerant line pressures as a means for evaluating the condition of the air conditioner compressor motor, which in turn, is a step in how we evaluate and correct lost or reduced air conditioner cooling capacity.

The AC systems found on most vehicles are highly sophisticated. Generally, they operate using high and low pressures. One side of the AC system is low pressure, where the refrigerant starts out as a gas; and the other is a high pressure, where it is converted into liquid form so that it can flow through the system.Both sides of the system work together to keep refrigerant flowing so that the. Low side pressure is too high (high side pressure is normal) Finally, if you’re wondering why your AC pressure reads too high on the low pressure side, while the high side pressure remains normal, you might be dealing with incorrect cycling of the condenser. This happens when there is an unusually rapid cutting in and out of the cycle. Our A/C line repair kit allows you to repair the corroded or damaged section of line at a very low cost and without any specialty tools. All you need is a tube cutter an standard wrench set. MADE IN USA! No special tools needed Repair kits are assembled, pressure tested and ready to install Very flexible. The A/C refrigerant hose carries refrigerant from the condenser to the evaporator and vice versa. There are both high pressure discharge hoses, and low pressure suction hoses. If you are fixing up an old system that initially came with R12 instead of the currently used R134a and think that your original hoses are in good shape, think again!

Some of these, such as a bad TXV or clogs in the refrigeration system are cited as the most common causes of high compressor head pressure. This air conditioning repair article series discusses the the diagnosis and correction of abnormal air conditioner refrigerant line pressures as a means for evaluating the condition of the air conditioner. 07-11-10 09:28 AM - Post# 1943714 1999 Suburban with front and back air. Front air is not very cold so I bought a can of R134a and filled the low side valve with the entire can and gauge continues to read on the upper edge of "filled" and caution. One symptom indicating a complication in the air conditioning is AC low side high, high side low pressure. How to Take the Pressure Readings. There are several constraints that cause this state. In fact, the temperature is directly related to the system’s pressure. You can measure the refrigerant’s pressure at a given temperature. Mechanics often misdiagnose high-pressure gauge readings in a car's air-conditioning system. Although mechanics tell owners that the high pressure is due to a problem with the accumulator or evaporator that is not likely the case. Most high-pressure readings are a result of the freon or refrigerant not cooling.

If the high side pressure drops from around 150-200 to around 28-psi quickly and then falls gradually after that, you’ve got air in the system. Possibility #3 AC low side pressure is too high because the condenser has reduced airflow. Clogged condenser fins or an inoperative condenser fan can cause low side pressure to be too high.