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Originally Posted by veedubmechanic
New compressors dont need any oil added to them. they should come full of oil from the factory. if you added the 220ml of oil to the system or what it says when replacing the compressor and accumulator, than i am suprised the a/c even works with that much oil in it.
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Is there any easy way to check this now the the system is reassembled? Any easy way to drain and refill?
To date, I've replaced the pressure switch which has not fixed the problem.
When I purchased the car, the AC was supposedly busted due to a bad compressor. Due to the AC techs recommendation (probably was bad advice), I have replaced the Compressor, Filter/Dryer, Expansion valve and now the pressure switch.
If I jumper the pressure switch, the compressor runs fine and cools the car quite nicely. It also works fine for the first five minutes after a cold start. As soon as it starts to warm the engine, the quick cycle hits in/out rapdily jerking the car.
I talked to the previous owner that sold me the car and he said this was the exact same problem he was having. So I've replaced all these parts only to be back where I started from with the original parts in place.
Any idea what else to try?