Removing
1. Drain the coolant (see "Coolant - replacement").
2. Remove the timing belt (see "Timing belt - replacement").
3. socket wrench by 10 mm unscrew four bolts (1 and 3) and one nut (2) securing the rear belt cover.
4. Remove the rear timing belt cover.
5. If necessary, prying with a screwdriver, remove the pump from the cylinder block.
6. Remove the gasket.
Installation
Install the pump and lower belt cover in reverse order, replacing the pump gasket with a new one.