If it only held 2 cans and your low side is at 45, my concern was too much oil in the system. But, pulling a vacuum will allow more refrigerant in the system. Also, what is your idling at? If you have a very low idle, your pressures will be higher. Just something else to think about. The ES-12A has been in my 240D for many years. After delivering my coupe to its new owner in NC, we drove home in 90+ weather for 4 hours, blowing at 37-38 with the blower on 2 out 3 on the speed setting. It was comfortable. Keep in mind, tinting the windows makes a HUGE difference. My car has MB Tex everywhere, and vinyl door panels...etc. All the plastic get very hot if left in the sun, and builds up alot of heat even driving down the road with the AC on. My 350SDL is tinted, and it stays VERY cool in the car with the vent temps only getting to 48 or so.
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Originally Posted by edge
No, I'm using the regular ES. I think there is 8 oz. of pag oil. So I do have 2- 6 oz cans in stock. Do I add a can of 6 oz. have them vacuum and add 2 cans so it will be charged under vacuum? If they vacuum, do they have to add oil again?
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1987 300SDL #1, 1987 300SDL #2, 1980 240D, 1982 300SD, 1994 S350, 1990 350SDL, 1991 350SD, 1985 300D, 2005 E320CDI
Gone, but not forgotten: 1981 300SD, 1982 300SD, 1987 300SDL, 1983 300TD, 1980 300CD, 1981 300SD #2, 1987 300D, 1987 300TDT, 1980 300D
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