Kia Stinger: Cooling System / Water pump

Tightening torque :

7.8 - 9.8 N·m (0.8 - 1.0 kgf·m, 5.8 - 7.2 lb·ft)

Tightening torque :

18.6 - 23.5 N·m (1.9 - 2.4 kgf·m, 13.7 - 17.4 lb·ft)

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Tightening torque :

18.6 - 23.5 N·m (1.9 - 2.4 kgf·m, 13.7 - 17.4 lb·ft)

A small amount of seepage from the bleed hole is normal.

From the bleed hole of the water pump

Check leaks after about ten-minute warming up.

If coolant still leaks, replace a water pump.

If leakage stops, reuse the water pump (Do not replace the pump with a new one).

From gaskets or bolts

Check the tightening of the water pump mounting bolts.

Retighten the mounting bolts.

Check damage of gaskets or inflow of dust.

Replace the gasket and clean dust off.

From outer surface of water pump

Check the material or any cracks of the water pump.

Poor material. If any crack found, replace the water pump.

From bearings

From mechanical seals

Impeller interference

After starting the engine, check noise with a stethoscope.

If there is no noise, reuse the water pump(do not replace it).

If there is any noise from the water pump, remove the drive belt and recheck.

After removing a water pump and a drive belt, check noise again.

If there is noise, reuse the water pump. Check other drive line parts.

If there is no noise, replace the water pump with a new one.

After removing a water pump and a drive belt, check noise again.

If there is any interference between them, replace the water pump with a new one.

Damaged impeller

Loosened impeller

Corrosion of the impeller wing

Check engine coolant.

Poor coolant quality / Maintenance check

Impeller seperation from the shaft

Replace the water pump.