1.Turn ignition switch OFF and disconnect the battery negative (-) terminal
2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")
3.Disconnect the electronic oil pump connector (A).

4.Remove the electronic oil pump (A) after removing the bolts.
Tightenning torque :20.6 - 26.5 N.m (2.1 - 2.7 kgf.m, 15.2 - 19.5 lb-ft)

1.Install in the reverse order of removal.
• The existing O-rings (A), (B) must be replaced with a new one. (Do not reuse it.)


• After installing, check for leakage of coolant or fluid from hose connection during engine start.
2.Check the ATF level after refilling the automatic transaxle with fluid.(Refer to Automatic Transaxle System - "Automatic Transaxle Fluid (ATF)")
Description and Operation
Valve BodyHyundai Tucson (NX4) 2022-2026 Service Manual: Water Jacket Insert
- Removal and installation
• Be careful not to damage the parts located under the vehicle
(floor under cover, fuel filter, fuel tank and canister) when raising
the vehicle using the lift.(Refer to General Information - "Lift and
Support Points")
1.Remove the cylinder ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Knock Sensor (KS)
- Description
Knocking is a phenomenon characterized by undesirable vibration and
noise and can cause engine damage. Knock Sensor (KS) is installed on the
cylinder block and senses engine knocking.When knocking occurs, the
vibration from the cylinder block is applied as pressure to the
pi ...