KIA Niro: Hybrid Motor Cooling System
Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Hybrid Motor System / Hybrid Motor Cooling System
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 proper operation and melt semiconductors in excessive heat, causing system failure. To prevent this, the hybrid system is equipped with a separate cooling system.
Component location
- HPCU (Hybrid Power Control Unit) (LDC+MCU+HCU+Reservoir)
- Hybrid drive motor
- Hybrid starter generator (HSG)
- Electrical radiator
- Electric water pump (EWP)
- Radiator Repair procedures
- Electric Water Pump (EWP) Repair procedures | Reservoir
- Coolant Repair procedures
READ NEXT:
Radiator Repair procedures
Removal
Disconnect the negative (-) cable of the 12V battery.
Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
Drain the coolant of hybrid motor cooling system.
(Refer to Hybrid Motor Cooli
Electric Water Pump (EWP) Repair procedures | Reservoir
Removal
Disconnect the negative (-) cable of the 12V battery.
Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
Drain the coolant of hybrid motor cooling system.
SEE MORE:
Piston and Connecting Rod Repair procedures
Disassembly
Warning
Be sure to read and follow the "General Safety Information and
Caution" before doing any work related
with the high voltage system. Failure to follow the safety instructions may
result in serious electrical
injuries
Sunroof
Sunroof / Components And Components Location
Sunroof
Sunroof switch
Sunroof motor & controller
Description
The Sunroof is quiped with a one touch on/off switch to open and close the
glass, and it has an ANTIPINCH
function which
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