Hyundai Ioniq: Clutch System / Engine Clutch Actuator. Repair procedures
| 1. | Turn the ignition switch OFF and disconnect the battery (-) terminal. |
| 2. | Remove the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover") |
| 3. | Disconnect the engine clutch actuator connector (A). | •
| Make sure that the hydraulic fluid or foreign substance does not enter the connector assembly of the actuator. (Seal the assembly after disengaging the connector.) |
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| Be sure to lift the yellow safety pin before disengaging the connector. |
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| 4. | Disconnect the reservoir hose (B). | •
| Disconnect the reservoir hose, and then Be careful not to leak the fluid. |
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| Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water |
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| 5. | Remove the engine clutch actuator (A) from the hybrid motor assembly after loosening the bolts. Tightening torque : 21.6 - 26.5 N.m (2.2 - 2.7 kgf.m, 15.9 - 19.5 lb-ft) |
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| 1. | Install in the reverse order of removal. | •
| Before installing the engine clutch actuator, check the assembled state of the O-rings (A). 
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| After tightening bolts temporarily, tighten the bolt completely at the same time with regulation torque. |
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| 2. | After replacing the Engine clutch actuator, operate the followings in order using GDS equipment. | (1) | Engine clutch inspection line learning and diagnostic information. 
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| (2) | Removal of air from engine clutch hydraulic pressure line. | •
| When using a vacuum-pressure equipment to inject hydraulic fluid, the vacuum pressure should be no more than 2.5 torr and the injection pressure should be between 2.3 - 2.5 bars. |
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| 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. |
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| (3) | Engine clutch/motor resolver adaptation. 
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| (4) | Stabilization of the engine clutch hardware transfer torque. 
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Other information:
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Categories
1. Door lock/unlock button
2. Driver position memory system
3. Side view mirror control switch
4. Central door lock switch
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