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

13 62 531 Replacing coolant temperature sensor for coolant (N54, N54T)







WARNING:
Risk of scalding.
Only perform this repair work on an engine that has cooled down.







Recycling
Catch and dispose of escaping oil and coolant.
Observe country-specific waste disposal regulations.







Necessary preliminary tasks:
- Read out fault code memory of the DME control unit.
- Switch off ignition
- Remove acoustic cover
- Remove fan cowl


NOTE: Coolant temperature sensor is mounted on cylinder head at front.







Release screw.
Tightening torque 17 21 1AZ.
Remove engine oil pipe (1).
Catch and dispose of emerging oil.







Installation note:
Replace sealing rings.







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

Installation note:
Tightening torque 13 62 1AZ.
If necessary, top up coolant.
Check cooling system for water leaks.







NOTE:
Check the engine oil level after repair work is completed.
Check stored fault messages.
Delete fault memory.