KIA Niro: Engine Mechanical System / Repair Procedures
Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Engine Mechanical System / Engine Mechanical System / Repair Procedures
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Compression Pressure Inspection
Warning
If the there is lack of power, excessive oil consumption or poor
fuel economy, measure the compression pressure.
Warm up and stop the engine.
Allow the engine to warm up to normal operating temperature.
Remove the air cleaner.
(R
Engine Mechanical System / Troubleshooting
Symptoms :
Engine misfire with abnormal internal lower engine noises
Suspected area → Remedy
Worn crankshaft bearings → Replace the crankshaft and bearings as re
Cooling System
Components
Reservoir tank
Reservoir hose & pipe
Radiator
Radiator upper hose
Radiator lower hose
Radiator upper mounting bracket (RH)
Radiator upper mounting bracket (LH)
Radiator lower mounting insulator (RH)
Radiator low
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Power Relay Assembly (PRA)
Description
The Power Relay Assembly (PRA) consists of the positive and negative main
relays, pre-charge relay, pre-charge resistor and
battery current sensor. It is located inside the battery pack assembly and
controls the high voltage power c
Electric EGR Control Valve
Specification
Motor
Position sensor
Electric EGR Control Valve Description and operation
Description
The Electric EGR Control Valve is a solenoid valve installed between the EGR
cooler and the exhaust
line that controls the EGR (Exhaust
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