Water pump for a gasoline engine
1 – camshaft drive belt; 2 – water pump gasket; 3 – water pump; 4 – bolts for the upper fastening of the rear cover; 5 – rear cover of the camshaft drive belt; 6 – Upper cover of the camshaft drive belt; 7 – lower cover of the camshaft drive belt; 8 – lower cover mounting bolt; 9 – pulley; 10 – pulley mounting bolt; 11 – lower cover mounting bolt; 12 – bolt for fastening the rear cover and water pump; 13 – crankshaft pulley
If the water pump leaks or its bearings are damaged, the pump must be replaced.
1. Remove the engine splash shield.
2. Drain the coolant (see subsection 5.13).
3. Remove the camshaft drive belt (see subsection 2.4.2).
4. Unscrew three bolts 4 and 12 (see the figure Water pump of a gasoline engine) fasteners and remove the rear cover 5 of the camshaft drive belt.
5. Carefully remove water pump 3 from the engine.
6. Replace the pump gasket 2 with a new one, regardless of its condition.
7. Install the water pump onto the engine with a new gasket, making sure the pump outlet faces downward.
8. Install the rear cover 5 of the camshaft drive belt and tighten its mounting bolts.
9. Install the drive belt and adjust its tension.
10. Fill the cooling system with fluid. The tightening torque for the water pump mounting bolts and the rear crankshaft drive belt cover is 15 Nm.