Impreza RS Coupe AWD F4-2.5L DOHC (1998)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Air Intake Tube Clamp
1. Allow engine to cool.
2. Remove air intake duct.
Engine Coolant Temperature Sensor
3. Disconnect engine coolant temperature sensor connector.
4. Remove sensor.
5. Install in reverse order. Tighten to 22 - 27 Nm (16 - 20 ft lb).