Diesel engine Series 15W / 18WMaintenance2008-12-09 1038.12 Replacing neoprene impeller of the cooling water pumpNOTE!The neoprene impeller of the cooling water pumpmust be considered as a wearing part. The servicelife of the neoprene impeller can be extremelydifferent and depends solely on the operatingconditions.Fig. 1141. Switch off engine and let it cool down to the ambienttemperature.2. Place suitable container under the cooling water pump.3. Mark cooling water pump, e.g. with a touch-up stick (seearrow).Fig. 1154. Unscrew the 4 bolts (1) on the cooling water pump cover (2).5. Collect water in a suitable container and dispose of inaccordance with the environmental regulations.6. Remove cooling water pump cover (2) with gasket.
