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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Piston Pins
Measure the diameter of the piston pin.
Piston pin diameter :
17.997 - 18.000 mm (0.70854 - 0.70866 in.)
Measure the piston pin-to-piston clearance.
Piston pin-to-piston clearance :
0.005 - 0.012 mm (0.00020 - 0.00047 in.)
Chec
Sub Frame Repair procedures
Removal
Disconnect the battery negative cable.
Remove the universal bolt (A).
Tightening torque :
32.4 - 37.3 N*m (3.3 - 3.8 kgf*m, 23.9 - 27.5 lb*ft)
Warning
Keep neutral range to prevent damaging the clock spring inner
cable w
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