Legacy Sedan 2WD F4-2.2L SOHC (1990)
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Remove the alternator
Left Sensor Replacement
1.
Disconnect the knock sensor wire connector.
2.
Note the orientation of the knock sensor on the engine block and install the new sensor in the same position.
3.
Use a 3/8 drive ratchet, 12 inch extension and a 12 mm flex socket to access the knock sensor mounting bolt.
4.
Insert the extension and socket assembly through the left side of the hole in the center of the intake manifold, refer to the illustration shown.
Note:
When removing the knock sensor, the wire connector is tight but will pass between the coolant crossover manifold and the engine block.
Right Sensor Replacement
1.
Disconnect the knock sensor wire connector.
2.
Note the orientation of the knock sensor on the engine block and install the new sensor in the same position.
3.
Use a 12 mm boxed end wrench to access the knock sensor mounting bolt from the front of the engine.
Installation
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Install in reverse order of the removal procedures
Note:
Torque the knock sensor mounting bolt(s) for all applicable models to 17.4 +/- 2.1 ft-lb.
Note:
Refer to the applicable service manual for proper knock sensor mounting bolt torque.
