Oil Cooler: Service and Repair

17 11 150 Removing and installing/replacing engine oil cooler (N63, S63)





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





Important!
Wear safety goggles and protective gloves.





Necessary preliminary tasks:
^ Remove front right wheel arch cover





Important!
Adhere to conditions of absolute cleanliness when working on the engine oil circuit.
When removing engine oil lines and engine oil cooler, seal off all openings with suitable plugs.
To avoid engine damage, do not allow any dirt particles to get into the engine oil circuit.





Recycling:
Engine oil escapes when oil lines are released. Catch and dispose of emerging engine oil.
Observe country-specific waste-disposal regulations.





Release screw (1).

Tightening torque 17 22 11AZ.

Detach oil lines (2) from engine oil cooler flange.

Installation:
Replace sealing rings.

Catch and dispose of emerging oil.

Unlock and detach retainer (3).

Remove engine oil cooler (4).





Note:
After completing work, check engine oil level and top up engine oil if necessary.