Kia Optima: Lubrication System / Oil Pressure Switch

Kia Optima DL3 2019-2020 Service and Repair Manual / Engine Mechanical System / Lubrication System / Oil Pressure Switch

Repair procedures
Removal and Installation
1.

Disconnect the oil pressure switch connector (A) and then remove the oil pressure switch (B).

Tightening torque :

9.8 - 11.8 N•m (1.0 - 1.2 kgf•m, 7.2 - 8.7 lb•ft)

2.

Install in the reverse order of removal.

  

When installing the oil pressure switch, apply seal lock to the thread.

Seal lock : THREEBOND 2403

Thickness : 0.2 - 0.4 mm (0.008 - 0.016 in.)

Inspection
1.

Check the continuity between the terminal and the body with an ohmmeter.

If there is no continuity, replace the oil pressure switch.

2.

Check the continuity between the terminal and the body when the fine wire is pushed. If there is continuity even when the fine wire is pushed, replace the switch.

3.

If there is no continuity when a 50 kPa (0.50 kgf/cm², 7.25 psi) is applied through the oil hole, the switch is operating properly.

Check for air leakage. If air leaks, the diaphragm is broken. Replace it.

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