Coolant Line/Hose: Service and Repair

11 53 740 - Removing and installing/replacing water pipe (N52)





Warning!
Danger of scalding!
Only perform these tasks on an engine that has cooled down.





Recycling:
Catch and dispose of drained coolant.
Observe country-specific waste-disposal regulations.





Necessary preliminary tasks:
- Remove front splash guard.
- Drain coolant Service and Repair from radiator.





Release screws (2).
Tightening torque: 11 53 2AZ 11 53 Thermostat and Connections.
Remove water pipe in direction of arrow.

Installation Note:
Seal (1) must not show any traces of damage; check and if necessary replace.





Unfasten hose clip (1).
Detach water pipe in direction of arrow from water pump (2).





Unfasten hose clip (1).
Detach water hose (3) from water pipe (2).





Installation Note:
Replace sealing ring (2).
Sealing lip (1) on water pipe (3) must not show any traces of damage.
If necessary, replace water pipe (2).





Assemble engine.
Vent cooling system 17 00 039 Venting Cooling System and Checking For Leaks and check for leaks.