Removal procedure
1. Remove the auxiliary drive poly V-belt. This operation is described in the section "Maintenance".
2. Disconnect the pressure (1) and feed (2) pipes from the hydraulic pump. Drain the oil from the hydraulic system into a previously prepared container.
3. Unscrew the nuts (3) securing the hydraulic pump and remove it. When installing, tighten the nuts to a torque of 25 Nm.
4. Installation is carried out in reverse order.
5. After installation, fill the system with oil and bleed the air from the hydraulic system.
(The original article is on the website «ChevyMan»)