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- Preston Lancs.
Swapped out my original block but replacement compressor. Reset the system using my laptop and she's working beautifully. The other block wouldn't allow the car to lower using the up/down switch. I tried to lower but she sat unmoving even though the lights flashed... So I'm guessing the block is faulty? As said, my original works fine. But I'll be checking in the morning.
So what would cause a block to lower when all the "o" rings are perfect and there are no leaks showing?
Driver pack.