Drain the engine coolant.
Loosen the coolant pump pulley bolt to remove the drive belt.
Remove the coolant pump pulley.
Remove the coolant pump.
Perform a visual inspection to ensure that there is no significant contamination or rust on the water pump housing and blades.
Based on website data: mazbook.ru
Make sure there is no play in the blade shaft and that it rotates freely by hand.
Install in the reverse order of removal.
Refill the engine with coolant.
Fig. 2.217. Removing the coolant pump: 1 – coolant pump pulley; 2 – coolant pump; 3 – sealing ring; 4- pump mounting bolts
Check for coolant leaks.