Kia Optima: Oil Pump. Description and OperationDescription
The oil pump is built-in as a single unit with the 26 brake chamber. Rotation of the pump builds the hydraulic pressure needed for the lubrication of the various parts of the transaxle and operation of the clutch and brakes. The oil also circulates through the torque converter and the cooler.

Components and Components Location
Oil Pump. Components and Components LocationMuffler > Repair procedures
Removal and Installation
1.
Remove the front muffler (B)
after disconnecting the oxygen sensor connector (A).
Tightening torque:39.2
~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ...
HAC (Hill-start assist control)
Hill start Assist Control is a comfort function. The main intend is to prevent
the vehicle from rolling backwards while driving off uphill on an inclined surface.
HAC holds the braking pressure bu ...
Transaxle Oil Temperature Sensor. Schematic Diagrams
Circuit Diagram
...