Engine - Coolant Temperature Sensor/Switch: Service and Repair

Engine Temperature Control Sensor G694

• The engine temperature control sensor is installed between the intake manifold and the generator in the cylinder head.

Special tools, testers and auxiliary items required

• Hex Ball Socket (T10058)

• M8 x 50 Bolt

Removing

- Use a suitable wrench to rotate the tensioner in the - direction of the arrow -.






- Screw a M8 x 50 bolt - A - into the threaded hole in the tensioner.

- Remove the belt tensioner bolts - arrows -.






- Disconnect the engine temperature control sensor connector and expose the wire.

- Remove the bolt for the engine temperature control sensor using the hex ball socket (T10058).






- Pull the engine temperature control sensor out of the cylinder head and remove it toward the front.

The O-ring and the support washer can get stuck in the cylinder head. Check whether the engine temperature control sensor is complete.

- The following components must be present on the engine temperature control sensor.






1. Support washer

2. O-ring


• If the O-ring and the support washer are stuck in the cylinder head, they must be pulled out with a wire. For this purpose bend a wire approximately 1.5 mm that is slightly bent at the end.

Installing

- Lubricate the O-ring with coolant additive.

- Place the engine temperature control sensor in the installed position and press it into the cylinder head with a suitable tool.

Further installation is performed in reverse order of removal, noting the following:

• Tightening specification for the engine temperature control sensor bolt: 5 Nm.