Installing used compressor i put in to much oil (8oz) should i take off and pour out some.or will be ok. also do i need to add oil to accumalator,frieds say its not really necessary,if needed about how much.
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Re: accumalator/drier do i need oil
Accumolator,condensor,evaporator all store some oil.compressor has oil as well.if you bought used compressor,you only had to make sure theres about 3-4 of oil in it,no worries,remove a plug on the body of compressor and drain the oil,too much oil in system will prevent it from cooling.
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Well you can.
Normally, you would run a vac pump to pull all of the air out of the system, then allow the vac to pull oil back into the system before you add freon. But if you don't use a vac pump, you'll have to add oil before you hook everything up.
Make sure you cycle the compressor a few times before you start adding freon if you don't use a vac pump.
An accumulator is a physical component in an auto's air-conditioning system. It is made of metal and is cylindrical in shape.
It is similar in shape, yet larger- than the a/c system's receiver/drier; which is another important component to a car's air conditioning system.
The accumulator is connected to the evaporator outlet, on the low-pressure side of the system.
[Whereas, the receiver/drier is located on the high-pressure side of the a/c system and can be connected directly to the condenser; or between the condenser and the expansion valve; and it serves a totally different function than the accumulator. 1.) it acts as a temporary storage container for oil and refrigerant when neither are needed for system operation; hence the name, receiver. 2.) it contains a filter that can trap impurities that may be inside the A/C system; and 3.) it contains desiccant to absorb moisture (humidity) that may have gotten inside the A/C system]
Anyway, the accumulator's primary function is to store liquid refrigerant that is exiting the evaporator, to prevent it from reaching the compressor. If liquid refrigerant were to enter the compressor, it could cause damage, as the compressor is not designed to pump liquid, only vapor.
The accumulator also allows the refrigerant the time to warm up and change from a liquid to a vapor, before being drawn back into the compressor.
An accumulator also serves as a temporary storage container for oil when the oil is not needed by the system and like the drier, it too contains desiccant and a filter.
It is recommended that both be replaced in the event the system is opened to the environment during the servicing or repair of the car's a/c system
Hi, welcome to FixYa.com my name is Shawn and I will be answering your question.
Special Service Tool(s)
Spring Lock Coupling Disconnect Tool (3/4 inch) T85L-19623-A Removal
NOTE: Replacement of the suction accumulator/drier is not required when repairing the air conditioning system except when there is physical evidence of system contamination from a failed A/C compressor or damage to the suction accumulator/drier. Recover the refrigerant; for additional information, refer to Section 412-00 .
Disconnect the A/C cycling switch electrical connector.
NOTE: Use a back-up wrench to avoid damage to the tubes. Disconnect the suction accumulator/drier to A/C evaporator core fitting.
Use Spring Lock Coupling Disconnect Tool (3/4 in) to disconnect the A/C manifold and tube from the suction accumulator/drier (19C836).
Remove the suction accumulator/drier.
Loosen the screw from the mounting bracket.
Lift the suction accumulator/drier out.
Drain and measure the oil from the suction accumulator/drier; for additional information, refer to Section 412-00 .
Transfer the A/C cycling switch (19E561) to the new suction accumulator/drier.
NOTE: Lubricate the new O-rings and install the correct amount of new PAG Compressor Oil F2AZ-19577-AC or Motorcraft YN-12c or equivalent meeting Ford specification WSH-M1C231-B to the new suction accumulator/drier. To install, reverse the removal procedure.
Evacuate, charge and leak test the refrigerant system; for additional information, refer to Section 412-00 .
Test system for proper operation.
I hope my assistance helped you and resolved your concern, if you need further assistance please ask.
It sounds like the head presser is to high...this will cause the compressor to stall, makeing the belt squeel...the accumalator should have been changed with the compressor...if accumalator is bad, it probably clogged the orifis tub and this is were the blockage is...An accumalator "aka" (dryer) has a carbon filled bag in it....this takes moister out of the a/c freon, the bags are knowen to brake open... I'am sure your compressor is OK, have the system completely flushed and change the accumalator and orifis tube and you should be good to go.... Sure hope this is some help to you ?
r-134, 39 oz of freon, pag 150 oil, 8 oz oil, now that is the capacity for a new compressor and systen cleaned, or you need to drain yours old compressor and add half to the compressor and half into the accumalator/drier to have the correct oil amount in the system.
did you evacuate the system after installing a new receiver drier bottle ? and install new orings and flush the system and add new oil ? if not then you did not do the job right so you cant expect it to function properly the receiver drier is a dessicant moisture filter and has a life of about 5 years or only till it gets full of moisture then its no good they should be replaced when servicing any system over 5 years old so i wouldn't blame the compressor if it wasn't serviced correctly hope this helps
If you have not cleaned out the ac system,the ac system will have oil in it,but,the compressor most likely does not have any in it,so pour about 4 to 5 oz in the low side opening on the compressor before installing it,and turn the center nut of the compressor clutch about 8 to 10 times,oil will try and come out the high side,when it does,this will be enough turning.If the system needs more oil,add as needed when freon is put in the system.If the oil is not added to the ac compressor before installing,the compressor could be damaged.Please rate if this was helpful,thank you.
The oil spec is PAG 150--68.00 ounces. General Motors issues Bulletin # 02-01-39-004B replacing PAG 150 oil with a lower viscocity oil. Thus, now indicates PAG 46 (P46D) oil for those vehicles.
There is a high pressure side and low pressure side to the system. The high vapor=compressor to the condensor. Low side vapor=compressor to evaporator. Your system will use R134a freon.
The A/C is a sealed system and when the compressor fails it circulates debris throughout the A/C system and contaminates it. Before replacing the compressor several other A/C parts have to be checked or changed.
Typically, the condenser should be flushed to remove any debris or contaminated compressor oil. Use approved flushing agents (aresol or liquid pour types), that evaporate quickly and don't leave any residue in the system. You will also need access to 'DRY' compressed air or nitrogen to push the flush through the system. Nitrogen (an inert gas), is best because it doesn't introduce moisture into the system. You need to do this a couple of times.
Accumulator or receiver drier should be replaced when you are replacing your A/C compressor. If don't replace your accumulator or drier you will probably void your compressor warranty. It's virtually mandintory to replace the orifice tube or expansion valve. The openings are usually about .050" and are quickly plugged. Be sure to clean all hose assemblies internally prior to installing your new compressor. Not doing this could contaminate your new compressor. Flush both ways until the flush agent exiting is clean, you will need to remove the hose assemblies to do this.
After you have cleaned, inspected and replaced all the parts, you connect the vacuum pump and remove the air from the system. Make sure it holds pressure. Then recharge the system with the proper freon and oil to the system specified levels.
No matter why you are replacing the A/C compressor there is a lot of other related work that has to be completed before you install the new compressor. Hope this helps, good luck.