Kia Niro: Clutch System / Engine Clutch Actuator Repair procedures

Kia Niro 2017 (DE HEV) Service Manual / Clutch System / Clutch System / Engine Clutch Actuator Repair procedures

Removal

1.	Turn the ignition switch OFF and disconnect the battery (-) terminal.

2.	Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

3.	Disconnect the engine clutch actuator connector (A) and hose (B).

Loosen the engine clutch actuator bolts (A) and then remove the engine clutch actuator.

Tightening torque :

21.6 - 26.5 N.m (2.2 - 2.7 kgf.m, 15.9 - 19.5 lb-ft)

Make sure that the hydraulic fluid or foreign substance does not enter the connector assembly of the actuator.

Installation

Install in the reverse order of removal.

Before installing the engine clutch actuator, check the assembled state of the O-rings (A).

After replacing the engine clutch actuator, operate the followings in order using GDS / KDS equipment.

(1)	Engine clutch inspection line learning and diagnostic information.

(2)

Removal of air from engine clutch hydraulic pressure line

•	When using vacuum pressurized hydraulic fluid injection device, change maximum vacuum pressure to 2.5 torr and injection pressure to 2.3-2.5 bar.

•	If it is impossible to inject hydraulic fluid using the above condition, be sure to remove air from the hydraulic line of the engine clutch at a temperature between 0 - 40°C

(3)	Engine clutch/motor resolver adaptation.

(4)	Stabilization of the engine clutch hardware transfer torque.

Engine Clutch Actuator Schematic diagrams

Schematic Diagrams Harness Connector Terminal Function 1 - 2 IG-1 ...

Concentric Slave Cylinder Assembly Components and components location

Components 1. Clutch disc 2. Clutch cover 3. Concentric slave cylinder 4. Hybrid motor assembly 5. Engine clutch actuator 6. Reservoir ...

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