Drain the liquid from the cooling system.
Loosen the alternator mounting and remove the V-belt. Loosen bolts 6 (pic. 230) fastening pulley 5 of the coolant pump. A V-belt can be used to hold the pulley.
Pic. 230. Coolant pump: 1 - sealing ring; 2 - gasket; 3, 23 - pump housing; 4, 6, 8, 13, 16, 17, 18. 20. 21 - bolts; 5 - pulley; 9. 19. 22 - spring washers; 10 - pulley; 11 - threaded plug; 12 - fitting; 14 - rubber gasket; 15 - thermostat
Remove the toothed belt cover. Loosen the clamps on the pump hoses and remove them.
Loosen the screws securing the pump housing and remove it from the housing. There is an o-ring under the pump housing, which should be removed and checked. The second sealing ring is installed on the inlet pipe in the pump casing.
Pump installation is carried out in the reverse order. The bolts for fastening the casing and the pump pulley are tightened with a torque of 20 Nm. The tension of the V-belt is adjusted as described below.
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