Kia Optima Hybrid: Hydraulic System / Oil Pump Uni t(OPU) Repair procedures

Removal
1.
Disconnect the 12V battery negative (-) cable.
2.
Remove the under cover (A).

3.
Remove the wiring fixed clip at bracket after removing oil pump connector (A).

Tightening torque:
18.6 ~ 27.5 N.m (1.9 ~ 2.8 kgf.m, 13.7 ~ 20.2 lb-ft)

4.
Remove the oil pump unit (A).

Tightening torque:
18.6 ~ 27.6 N.m (1.9 ~ 2.8 kgf.m, 13.7 ~ 20.3 lb-ft)

Installation
1.
Install in the reverse order of removal.
Oil Pump Uni t(OPU) Schematic Diagrams

OPU connector and terminal function OPU terminal function [A] PinDescription1Main relay power2Ground3Motor phase power(U)4Motor phase power(V)5Motor phase power(W) [B] PinDescription1Battery power (+)2Battery ...

Clutch & Brake

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Coolant Repair procedures


Refilling And Bleeding     Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator.     When pouring engine coolant, be sure to shut the relay box lid and not to let coolant spill on the electrical ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Oil Pump Uni t(OPU) Schematic Diagrams


OPU connector and terminal function OPU terminal function [A] PinDescription1Main relay power2Ground3Motor phase power(U)4Motor phase power(V)5Motor phase power(W) [B] PinDescription1Battery power (+)2Battery power (+)3CAN communication line (Low)4OPU status signal5Hall sensor ground6Hall sensor power(+5V)7IG_Key9CAN ...

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