KIA Niro: Hybrid Motor Cooling System

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 Electric Water Pump (EWP) Repair procedures

Description The Hybrid Power Control Unit (HPCU) uses various semiconductors that are supplied with high voltage, hence generating more heat than engine combustion devices. Overheating can decrease the efficiency of control devices, restrict pr

 Refilling And Bleeding

Warning Never remove the cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the reservoir. Warning When pouring inverter coolant, be sure to shut the relay box lid to prevent spilling c

 AHB(Active Hydraulic Boost) System

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 Basic Inspection Procedure

Measuring Condition of Electronic Parts' Resistance The measured resistance at high temperature after vehicle running may be high or low. So all resistance must be measured at ambient temperature (20ºC, 68ºF), unless stated otherwise.

 Air Bleeding Tool Removal Procedure

Close the air shut-off valve (A) first, after disconnecting the air hose (B), bleed air in the reservoir tank by opening the air shut-off valve (A) slowly. Warning To prevent backflow of brake fluid, be sure to open the air shut-off

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