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

13 62 531 Replacing Coolant Temperature Sensor (N55)







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







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







Necessary preliminary tasks:
- Read out fault memory of DME control unit.
- Switch off ignition.
- Remove ignition coil cover.
- Remove intake duct.

NOTE: The coolant temperature sensor is mounted on the cylinder head at front.







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 leaks.







NOTE:
Check stored fault messages.
Delete fault memory.