KIA Niro: Engine Clutch Actuator
Components
- Clutch disc
- Clutch cover
- Concentric slave cylinder
- Hybrid motor assembly
- Engine clutch actuator
- Reservoir
Specifications
Schematic Diagrams
Harness Connector
Engine Clutch Actuator Repair procedures
Removal
Warning
Initialization and air bleeding procedure by using KDS can not be performed if the high voltage battery SOC is charged lower than 35%.
- Additional function which related to engine clutch can not be
operated if high voltage battery SOC is charged too low(lower
than 10%) or too high(higher than 90%), because of system limitation.
(Additional function which related to engine clutch : learning engine clutch/motor resolver, removing air in engine clutch oil pressure line, stabilizing engine clutch oil pressure line, stabilizing engine clutch hardware delivery torque, lerning engine clutch inspection of a vehicle and initialization of inspection information)
- Turn the ignition switch OFF and disconnect the battery (-) terminal.
- Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
- 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)
Warning
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.
Warning
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 KDS.
(1) Perform initialization of the engine clutch inspection line learning and diagnostic information.
(2) Bleed the air from engine clutch hydraulic pressure line
Warning
Be sure to bleed air from the engine clutch hydraulic pressure line at outside temperature between 0 - 40ºC (32 - 104ºF). If not, the air bleeding would be not done well.
Warning
Refil the hydraulic fluid to MAX-MIN level, if the fluid is lower than MIN level while performing the air bleeding.
(3) Perform engine clutch/motor resolver adaptation.
(4) Perform stabilization of the engine clutch hardware transfer torque.
READ NEXT:
Concentric Slave Cylinder Assembly Repair procedures
Removal
Remove the hybrid motor assembly.
(Refer to Hybrid Motor System - "Hybrid Motor Assembly")
Remove the engine clutch actuator.
(Refer to Engine Clutch System - "Engine Clutch Actuator")
Remove the adapter (A
Clutch Cover And Disc Repair procedures
Removal
Remove the hybrid motor assembly.
(Refer to Hybrid Motor System - "Hybrid Motor Assembly")
Remove the clutch cover assembly and clutch disc after loosening the
bolts.
Warning
Be careful not to be bent or twist b
Reservoir Repair procedures
Removal
Turn the ignition switch OFF and disconnect the battery (-) terminal.
Drain the hydraulic oil from the reservoir using a syringe.
Loosen the reservoir hose (A) and bolts (B) and then remove the
reservoir.
Tightening torque :
3.
SEE MORE:
High Voltage Battery System / Components And Components Location / Repair Procedures
Description
The High Voltage Battery System provides the hybrid drive motor, HSG, and electric A/C compressor
with electric energy and also reserves the electric energy generated during regeneration braking.It
consists of the battery pack assemb
Piston Pins
Measure the diameter of the piston pin.
Piston pin diameter :
17.997 - 18.000 mm (0.70854 - 0.70866 in.)
Measure the piston pin-to-piston clearance.
Piston pin-to-piston clearance :
0.005 - 0.012 mm (0.00020 - 0.00047 in.)
Chec
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