Water temperature switch 1/2''x14 NPTF 2 Pin

Mounted on the cylinder head on the left.

Tighten the water temperature switch to the correct torque.
Loss of coolant at the temperature sensor unit

This information is only applicable to the following models: All models with engine temperature sender unit, part number 2856350 or 2852087 (NEF, Ranks-2 engines).
If a coolant leak is confirmed from the engine cylinder head, check the temperature sender unit.
If the relay block is the cause of the coolant leak, proceed as follows:
Remove the temperature sender unit and clean the screw thread.
Apply a thread locking compound (such as Loctite).
Torque Step 1: Tighten the temperature sensor unit with a torque of 35 Nm.
Torque Step 2: Rotate the temperature transmitter unit an additional 60 degrees.
Production
The current tightening procedure has been introduced into production from the following serial number: Motor serial number: 581600