944 S2 Cabriolet L4-2990cc 3.0L DOHC (1991)
Knock Sensor: Service and Repair
NOTE: Knock sensors are fragile. Use care when handling, sensor crystal will be damaged if dropped on a hard surface.
1.
Loosen and remove cruise control cable hold-down on intake manifold.
2.
Disconnect spark plug connectors.
3.
Unscrew knock sensors and lift out.
4.
Disconnect electrical connector.
5.
Reverse procedure to install, using a new original style bolt without washer.
Torque sensor to 14 ft.lb (20 Nm)