While turning the water pump shaft, check the condition of the water pump bearings and replace them if necessary.
Fig. 7–17. Water pump and thermostat for vehicles with 2.5L diesel engines: 1, 2, 10 – bolts, 10 Nm; 3 – coolant temperature sensor G2/ G62; 25 Nm; 4 – sealing ring; 5 – thermostat housing; 6 – sealing ring; 7 – thermostat; 8 – gasket; 9 – water pump
Before screwing in bolt 1 (Fig. 7–17), apply locking compound D 000 600 A2.
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