Engine Size: 3.0
Refrigerant Type: ES12
Ambient Temp: 75
Long version of problem located here.
Basic version: I think when filling my AC system, i overfilled the oil. I had no idea how much was in there, and put more oil in because i would rather be safe than sorry. Long story short, the AC does not blow as cool as i want it to, and i thin it is because i overfilled the oil. My question is, how to i get this oil out? I have heard of flushing the system, but it says you cannot flush through the compressor or expansion valve, and doesnt the compressor and evaporator hold a lot of oil? How to you get all that oil out so i can start from the beginning.
Ideally, i would like to get this whole system flushed out, and have a professional refill it with the proper oil and r12 and all, but this will cost a pretty penny. I am willing to fork over some money to get the system working right, but will any shops even work on a system that has this hydrocarbon refrigerant in it? Will they not just refuse to service it? How should i go about this?
Thanks for any help.
Edited: Wed July 23, 2008 at 6:02 PM by CyFi
I just got a quote from a shop $150 to flush the system completely, and another $150 to evac and fill the system with r134a. Does this sound reasonable or should i keep looking? I think i want to give it to a shop to work on because i want this system to be working spot on.
If they are doing a proper & complete system flush, that is a fair price. Evacuate and recharge also seems fair to me if they are using the correct refrigerant for the vehicle.
I would flush your system if the HC12 refrigerant was previously removed. I'm not going to take on the liability of storing and destroying an HC refrigerant.
Nothing wrong with a quality Easter in my opinion.
If the system is being flushed and properly prepared for new lubrication, use either a quality PAG or POE....the choice is open.
Insure that the tech does a complete flush...removal of compressor and draining and refilling with correct lubricant is most important. Also that the evap is going to be flushed...for this vehicle, it must be removed from the vehicle to flush properly...insure that this it truly the method that they intend to use. If not, locate another shop.
Also, if the system is being cleaned and the correct amount of lubricant is being added to the system....the recharge rate should be app 85-90% of the R-12 spec. The 70% recharge was determined for a system that was maintaining the 'complete' OE charge of lubricant and another 'complete' charge of POE was being added.
Good luck...glad to see that the HC's are being removed.
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