12. COOLING SYSTEM K-XCT 125i Right Crankcase Cover WATER PUMP MECHANICAL SEAL (WATER SEAL) INSPECTION Inspect the telltale hole for signs of mechanical seal coolant leakage. If the mechanical seal is leaking, remove the right crankcase cover and replace the mechanical seal. Water Pump Outlet Hose WATER PUMP/IMPELLER REMOVAL Drain the coolant . Remove the coolant inlet hose and outlet hose. Inlet Hose 12-11