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Home >> Mazda >> 2020 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Oil Level Sensor Removal/Installation
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Engine Oil Level Sensor Removal/Installation

CAUTION:
  • If the engine oil level sensor is removed, it is necessary to replace it with a new one.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Lift up the vehicle.
  3. Remove the front under cover No. 2. (See FRONT UNDER COVER NO. 2 REMOVAL/INSTALLATION .)
  4. Drain the engine oil. (See ENGINE OIL REPLACEMENT .)
  5. Disconnect the engine oil level sensor connector.
    G11436089Courtesy of MAZDA MOTORS CORP.
  6. Remove the clip A and clip B from the bracket.
  7. Disconnect the short cord connector.
  8. Remove the short cord.
  9. Remove the nuts.
    Fig 1: Engine Oil Level Sensor Nuts With Torque Specification
    G11436090Courtesy of MAZDA MOTORS CORP.
  10. Remove the engine oil level sensor.
  11. Install in the reverse order of removal.
  12. Refill with the specified type and amount of the engine oil. (See ENGINE OIL REPLACEMENT .)
  13. Start the engine and confirm that there is no oil leakage.
    • If there is oil leakage, repair or replace the malfunctioning part according to the inspection results.
  14. Inspect the engine oil level. (See ENGINE OIL LEVEL INSPECTION .)
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