I don't know why you have leaks and noise issues... If you know how to properly install the water cooling, there shouldn't be any problems... The pump should not be tightened too much to the motherboard to avoid causing cracks in the pump and resulting leaks... I have been using it since 2017 with continuous usage (the computer is almost never turned off) without any problems... It is connected to a Xeon X3440 (4 cores/8 threads) overclocked to 4.3GHz... With the Evo 212 at the same frequency, I have 85 degrees under 100% load and 45 degrees at idle. With this specific cooler, I have 79 degrees under full load and 43 degrees at idle... The temperatures were measured after 8 hours of operation when the liquid has warmed up. At the beginning, when the liquid is cold, I have 5 degrees lower under full load... I use Arctic MX-2 thermal paste... The pump speed is always at 100% while the fan speed changes according to the CPU load. With 100% CPU load, the fan is set to reach 70% which is low noise for me (obviously, at 100% it makes a lot of noise)... Of course, there is perfect airflow in the case and there are also 2 small fans for the motherboard's VRMs. My GPU is GTX 960.

If you have leaks with this cooler, NEVER try a custom loop and stick to the safety of air cooling. For similar and slightly better results in high overclocking, choose Noctua with 2 fans (€50), for even better results, choose Noctua with 3 fans...
*The same processor with the same dual radiator water cooling (CoolerMaster Masterliquid 240) reaches 65 degrees under full load!!! Result??? Even higher stable overclock! (4.8GHz)
*Just for testing purposes, I used the larger one since the GPU becomes the bottleneck... (less than +5fps in games)

Finally, when buying a CPU like the i7 8700k, this specific cooler obviously does nothing! In that case, go for Noctua NH-D15 for air cooling, otherwise Corsair H150i Pro for water cooling... And for maximum results, a bucket of ice water on top of the CPU and switch to AMD...