water leaks are largely due to hardened or cracked rubber seals, maybe misalligned of rubber seals.
Have it replaced and it should be fine. For minor seal issues, a good DIY with some silicone paste could fix it in a jiffy...
Did you know turbocharger works as a mechanical sensor for the engine... how??
which mean when it damage,it can tell us what actually happen inside (by turbo post postmortem) the engine or what made the turbo...