11 53 090 Removing and Installing/Replacing Supplementary Coolant Pump For Exhaust Turbocharger

11 53 090 - Removing and installing/replacing supplementary coolant pump for exhaust turbocharger (N63)





Warning!
Danger of scalding!
Only perform this work after engine has cooled down.





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





Necessary preliminary tasks:
- Remove intercooler expansion tank 17 13 020 Removing and Installing/Replacing Intercooler Expansion Tank





Unclip coolant hose (1) from holder in direction of arrow.
Release screws (2).
Tightening torque 11 51 4AZ Mechanical Specifications.





Important!
Risk of damage!
Coolant emerges when the coolant hoses are detached from the supplementary coolant pump.
Cover surrounding components and plug connections with suitable apparatus

Release hose clamps (1 and 2) with a suitable tool.

Disconnect plug connection (not shown).

Installation Note:
Plug connection must snap audibly into place!

Lift out auxiliary coolant pump.





Assemble engine.
Top up coolant Service and Repair.
Venting instructions 17 00 039 Venting Cooling System and Checking For Water Leaks must be observed without fail.