Auxiliary Water Pump: Service and Repair

64 11 262 - Removing and installing/replacing auxiliary water pump (S65)





Warning!
Danger of scalding!
Only perform this work after engine has cooled down.
Follow instructions for working on cooling system 17 00 ... Instructions For Working on Cooling System.





Recycling
Coolant emerges when coolant lines are detached. Have a suitable collecting container ready.
Catch and dispose of emerging coolant.
Observe country-specific waste-disposal regulations.





Necessary preliminary tasks:
- Remove suction filter housing





Disconnect plug connection (1) and remove auxiliary water pump (2) towards top.






Installation Note:
Observe direction of flow.
Mark position of water hoses (1) prior to removal.

Disconnect water hoses (1) and remove auxiliary water pump (2).






Installation Note:
Install auxiliary water pump (1) in front engine bracket so that rubber mounts (2) slide exactly in associated locators (3).





After installation:
Fill and vent cooling system and check for leaks