Engine Size: 3.2
Refrigerant Type: ?
Ambient Temp: 78
Pressure Low: 45
Pressure High: 30
My AC is blowing cold ~62oF. I put the gauges on my system, and measured 45psi on the low side, and 35psi on the high side. My ac fans and compressor run for 5-10 seconds before shutting off, then 5 seconds, and back on.
Any possible suggestions for low high side, fans and compressor shutting on and off, and a solution?
So what, add more refrigerant, and that will bring up my high side?
Sounds like most of your refrigerant is gone, which means a lot of oil is likely gone too. Charging it up without fixing the leak and adjusting the oil level would be the equivalent of ML running low on oil and running out fuel, then just fueling up. You know what's going to happen next. Mercedes engine work won't be cheap.
For now I need a quick fix till the end of this year. Will adding freon fix the problem for now, or do I need to evac the system? Could there be a blockage that is causing the low high side, or is the low high side simply due to no freon.
Sounds like you want to hear fill it up over and over again. That's an option you can consider. But is not recommended for many reasons.
My advice is find the leak. Repair it. Evacuate & recharge to OEM specs.
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