Coolant Temperature Sensor/Switch (For Computer): Service and Repair

13 62 531 Replacing Coolant Temperature Sensor (N74)







WARNING: Danger of scalding.

Only perform this work after engine has cooled down.







Necessary preliminary tasks:
- Read out fault memory of DME control unit; if necessary, work through test schedules
- Turn off ignition
- Remove intercooler expansion tank.

Unlock plug (1) and remove.
Unfasten coolant temperature sensor (2).







Installation:
Tightening torque 13 62 1AZ.







Delete fault memory.
Check coolant level.
Check cooling system for leaks.