| Components |

| 1. Oil pump 2. O-ring | 3. Oil pump sprocket 4. Oil pump chain cover |
Removal [Lower oil pan] 1. Remove the engine room under cover. (Refer to Engine And Transaxle Assembly - "Engine Room Under Cover") 2. Drain the engine oil.
Removal and Installation 1. Remove the lower oil pan. (Refer to Lubrication System - "Oil Pan") 2. Remove the oil pump chain cover (A). Tightening torque : 9.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the rear bumper. (Refer to Body - "Rear Bumper") 3. Remove the BSD unit (A) after loosening the mounting screws. Take care not to separate the bracket from rear bumper when removing the BSD sensor.
Description To sense the cars exactly in the next lane with the radar, the direction of the sensor and the direction of the vehicle have to align. This is BSD unit alignment. If this alignment is not performed as below illustration, the degradation of detection performance and the cause of false alarms.