This procedure covers the removal and replacement of the oil level sensor on the 2019-2024 Toyota RAV4 with the 2.5L I4 gasoline engine.

Warnings

Tools required

Parts

• Oil level sensor × 1 — Use OEM specification
• Oil level sensor O-ring or gasket × 1 — Usually included with sensor

Fluids

• Toyota Genuine 0W-20 — 0.5 qt

Preparation

1. Park vehicle on level surface and engage parking brake
2. Allow engine to cool completely if recently operated
3. If needed for access, raise and support the front of the vehicle on jack stands and remove the driver's side front wheel
4. Remove plastic engine undercover if equipped using 10mm socket on retaining clips
5. Locate the oil level sensor on the lower driver's side of the oil pan

Procedure

1. 1

   Disconnect electrical connector
   Locate the electrical connector on the oil level sensor. Press the locking tab and carefully pull the connector straight off the sensor. Inspect the connector for damage or corrosion.
2. 2

   Prepare for oil drainage
   Position an oil drain pan directly beneath the oil level sensor. Approximately 0.25-0.5 quarts of oil will drain when the sensor is removed. Have shop towels ready to control spillage.
3. 3

   Remove old oil level sensor
   Using a 19mm wrench or socket, carefully loosen the oil level sensor by turning counterclockwise. Once loose, unthread the sensor by hand and remove it completely. Allow oil to drain into the pan.
4. 4

   Clean mounting surface
   Wipe the sensor mounting hole in the oil pan with a clean shop towel. Use a wire brush if necessary to remove any old gasket material or debris. Ensure the sealing surface is clean and smooth.
5. 5

   Inspect new sensor
   Verify the new oil level sensor has a new O-ring or gasket installed. Lightly coat the O-ring with clean engine oil to aid installation and prevent damage during threading.
6. 6

   Install new oil level sensor
   Thread the new oil level sensor into the oil pan by hand until it seats against the gasket surface. Ensure it threads smoothly without cross-threading. Using a torque wrench and 19mm socket, tighten the sensor to specification.
   Torque spec

   Oil Level Sensor15 Nm (11 lb-ft)
7. 7

   Reconnect electrical connector
   Push the electrical connector firmly onto the oil level sensor until you hear or feel a positive click. Gently tug on the connector to verify it is securely locked in place.
8. 8

   Check and top off engine oil
   Remove the oil filler cap and add approximately 0.5 quarts of Toyota Genuine 0W-20 engine oil to compensate for oil lost during sensor replacement. Check the oil level with the dipstick and add more if needed to reach the full mark.

Reassembly

1. Reinstall the plastic engine undercover if removed, ensuring all clips are properly secured
2. Reinstall the driver's side front wheel if removed and torque lug nuts to specification
3. Lower vehicle to the ground

Verification

• Start the engine and verify the oil pressure warning light turns off within a few seconds
• Allow engine to reach operating temperature and check for oil leaks around the sensor
• Turn off the engine and recheck oil level after 5 minutes, adding oil if necessary to reach the full mark
• If equipped with oil level monitoring system, verify no warning lights or messages appear on the instrument cluster
• Clear any stored diagnostic trouble codes related to the oil level sensor using a scan tool if applicable

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