Kia Cadenza: Lubrication System / Oil Pressure Switch Repair procedures

Kia Cadenza YG 2016-2025 Service Manual / Engine Mechanical System / Lubrication System / Oil Pressure Switch Repair procedures

Removal and Installaion

1.	Remove the intake manifold. (Refer to Intake And Exhaust System - "Intake Manifold")

2.	Remove the delivery pipe and injector. (Refer to Engine Control / Fuel System - "Delivery Pipe")

Remove the oil pressure switch (A) after disconnecting the connector.

Tightening torque:

14.7 ~ 21.6 N.m (1.5 ~ 2.2 kgf.m, 10.8 ~ 15.9 lb-ft)

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When removing and installing the oil pressure switch, use a deep socket as shown in the image below.

- 3/8" drive deep socket (24mm) with the wall thin and the length less than 75mm

[Arrangement of tools for removing oil pressure switch]

24mm deep socket

1/2" to 3/8" drive socket adapter (only if using 1/2" drive deep socket)

3/8" universal joint

3/8" extension bar

Socket wrench

[Installation order for tools]

1. Insert a 24mm deep socket (A) to the oil pressure switch.

2. After connecting other tools as arranged in the above image, insert the tools (A) to socket.

Install in the reverse order of removal.

When installing, apply sealant on the thread part.

Seal lock : THREE BOND 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 (7psi) is applied through the oil hole the switch is operaing properly. Check for air leakage. If air leaks, the diaphragm is broken. Replace it.

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