Impreza RS Coupe AWD F4-2.5L SOHC (1999)
Knock Sensor: Service and Repair
Installation
1. Install knock sensor to cylinder block.
Tightening torque:
23.5 ± 2.9 Nm (2.4 ± 0.3 kg.m, 17.4 ± 2.2 ft.lb)
NOTE: The knock sensor cord which is extracted from the sensor must be positioned at a 450° angle against the rear side of the engine.
2. Connect knock sensor connector and hold knock sensor harness with band.
3. Install air intake chamber.
4. Connect battery ground cable to battery ground terminal.
