Kia Optima Hybrid: Hydraulic System / Electric Oil Pump (EOP) Repair procedures

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

Tightening torque :
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

3.
Remove the electric oil pump (EOP) connector (A, B).

4.
Remove the EOP (A) after removing the bolt and nut.

Tightening torque :
42.2 ~ 53.9 N.m (4.3 ~ 5.5 kgf.m, 31.1 ~ 39.8 lb-ft)

Installation
1.
Install in the reverse order of removal.
   
Refill the automatic transaxle with fluid.
(Refer to Hydraulic System - "Fluid")
Electric Oil Pump (EOP) Components and Components Location

Component Location 1. Electric Oil Pump (EOP)2. Automatic transaxle ...

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Description The oil pump main relay is installed within the HEV fusible link box of the engine room. When the Oil Pump Unit (OPU) triggers the oil pump main relay, electric current needed to operate the ...

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