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

13 62 531 Replacing coolant temperature sensor (N63)







WARNING:
Risk of scalding.
Only perform this repair work after engine has cooled down.







IMPORTANT:
Protect alternator against coolant.
Cover alternator with suitable apparatus (risk of damage).







Necessary preliminary tasks:
- Read out fault memory of DDE control unit, working through test schedules if necessary.
- Switch off ignition.
- Remove auxiliary water pump for exhaust turbocharger.







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

Installation note:
Tightening torque 13 62 1AZ.







Delete fault memory.