Engine Size: 1.8
Refrigerant Type: 134a
Country of Origin: United States
I had a leak in my Elantra that I fixed. My question is I want to know how much I should put back in when I measure the 134a. Specs say 475 to 525 grams 134a and 90 to 110 Grams of oil. I was wondering if you should shoot for the middle of those ranges or high side or does it even make a difference in performance as long as you are in that range?
You usually don't add oil except to replace what was coating the inside of the component that you replaced, or if there is evidence of a lot of oil leaking out.
I know that you don't need to replace the oil but what I was really wondering is where you should shoot for in the recommended 475 to 525 of 134a. Does it make a difference where you fall in that range is higher in the range better than lower?
Can anyone help answer if it matters where you are in the range they give you to fill it.
What does the sticker say under the hood?
it says 475 to 525 my question was does it matter where you fall within that range as far as performance?
Or basically if you were at 480 or 520 would one function better than the other?
If you can do it that accurately, charging to the high end of the specified range gives some reserve against loss from the "normal" very slow leaking out. Performance of a TXV system isn't crucial on the charge amount since the receiver is a tank that will buffer some extra refrigerant.
Edited: Thu May 28, 2015 at 9:27 AM by mk378
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