Transmission Cooler: Service and Repair

17 22 010 - Removing and installing/replacing heat exchanger for automatic transmission (M57T2, N54)





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





Necessary preliminary tasks:
- Follow instructions for working 17 00 ... Instructions For Working on Cooling System on cooling system.
- Drain coolant
- Remove fan cowl Service and Repair





Recycling
Catch and dispose of drained coolant in a suitable container.
Transmission fluid emerges when oil lines are detached from heat exchanger.
Catch and dispose of escaping transmission fluid in a suitable container.
Observe country-specific waste-disposal regulations.





Picture shows M57T2:
Release and disconnect coolant hoses (1).
Release screw and remove lines (2).

Installation Note:
- Replace sealing rings.
- Tightening torque 17 22 1AZ [1][2]17 21 Engine Oil Cooler.

Unclip hose (3).

Release screws (4) and remove heat exchanger (5).

Installation Note:
- Tightening torque 17 22 2AZ [1][2]17 21 Engine Oil Cooler.





Important!
Distance between oil cooler line and ribbed V-belt must be at least 25 mm.
Check fluid level in automatic transmission Procedures.
Refer to Maintenance and General Information, Main Group 00.