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

13 62 531 - Replacing coolant temperature sensor (N63)





Warning!
Danger of scalding!
Only perform this 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; if necessary, work through test schedules
- Switch off ignition
- Remove supplementary coolant pump 11 53 090 Removing and Installing/Replacing Supplementary Coolant Pump For Exhaust Turbocharger for turbocharger





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

Installation Note:
Tightening torque 13 62 1AZ 13 62 Senders for Control Unit.





Now clear the fault memory.