Examination
1. Remove the drive belt, attachments.
2. Remove the water pump pulley and idler roller.
3. Turn the water pump counterclockwise. Make sure it spins freely. If the pump is difficult to rotate, replace it.
Note: Small leaks from the drain holes are not a malfunction.
4. Install the water pump pulley and idler roller.
5. Install the accessory drive belt.
Removal and installation
1. Drain the coolant.
2. Remove the accessory drive belt.
3. Remove the water pump pulley and idler roller.
4. Turn out five bolts and remove the pump of a cooling liquid.
5. Check and clean the O-ring groove and the contact surface with the cylinder block.
6. Install the water pump with a new O-ring in the reverse order of removal.
7. Fill in the coolant and make sure there is no air in the cooling system.