Water Pump Housing
Removal
Drain plug on cylinder crankcase
1 Completely drain coolant. Service and Repair
2 Remove radiator. Service and Repair
3 Remove fan with viscofan coupling.
4 Slacken all V-belts and remove.
5 Remove coolant pump pulley.
6 Remove crankshaft pulley and vibration damper.
7 Disconnect hot water return hose on coolant pump housing.
8 Disconnect hose between coolant thermostat housing and coolant pump housing.
9 Rotate crankshaft with tool combination until the recess in balancing disk is in front of lower fastening screw of coolant pump housing (arrow).
10 Unscrew vent line on coolant pump housing (arrow).
11 Unscrew coolant pump housing and remove together with coolant pump.
Installation
12 Install coolant pump housing with new gasket and tighten fastening screws to 27 - 33 Nm.
13 For further installation proceed vice versa to removal.
14 Add coolant. Service and Repair
15 Pressure-test cooling system with tester (approx. 1 bar gage pressure).