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

13 62 531 - Replacing coolant temperature sensor (M57TU, M57T2)





Necessary preliminary tasks:
- Read out fault memory of DDE control unit; if necessary, work through test schedules
- Switch off ignition
- Remove intake air manifold





Important!
Protect alternator against coolant.
Cover alternator with suitable apparatus (risk of damage).





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

Installation:
Tightening torque 13 62 2AZ.





Now clear the fault memory.