Engine - Coolant Temperature Sensor/Switch: Service and Repair

Removing and installing temperature sensor for coolant - GT3





1. Remove air filter. Unscrew hexagon-head bolt M6 x 34. Undo the hose clamp on the throttle body. Pull off plug from hot film mass air flow sensor and remove air cleaner assembly.





2. Remove generator. Unscrew B+ wire of battery. Relieve drive belt and remove from the idler pulley. Unscrew the left fastening screw of the generator. Unscrew the right fastening screw by approximately 1 cm and tap with the hammer until the screw head makes contact again. Then unscrew the right fastening screw. Lift the generator out.





3. Remove temperature sensor. Disconnect electrical connection and set to one side. Unscrew temperature sensor (a/f 22). Collect emerging coolant if necessary.

Installing temperature sensor for coolant - GT3





1. Install temperature sensor. Fit temperature sensor with a new sealing ring and screw in. Tightening torque 25 Nm (19 ft. lbs.). Connect electrical connection again.





2. Install generator. Move the generator into installation position. Tighten the engine mounts on the left and right to 46 Nm (34 ft. lbs.). Connect the B+ wire again and tighten the nuts to 15 Nm (11 ft. lbs.) Fit and tension the drive belt.
3. Install air cleaner assembly. Insert air cleaner housing in its holder again. Tighten the M6 x 34 hexagon-head bolt to 9.7 Nm (7.0 ft. lbs.) Tighten the hose clamp on the throttle body and push the plug onto the hot film mass air flow sensor.
4. Check coolant level, top up if necessary.