KIA Niro: Hybrid Motor Cooling System
Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Service Highlight / 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
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Checking coolant level
Check the condition and connections of
all cooling system hoses and heater
hoses. Replace any swollen or deteriorated
hoses.
The coolant level should be filled
between MAX and MIN (F and L) marks
on the side of the coolant reservoir when
Hybrid vehicle
components
High voltage battery system
HPCU (Hybrid Power Control Unit) *1
High voltage battery system *2
* 1: Located in the engine compartment
* 2: Located under the 2nd row seats
WARNING
Never touch orange colored or high voltage
labeled compo
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