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

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 â†’ Remedy Worn crankshaft bearings â†’ 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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Main Fuse Inspection | Checking for Welding in the High Voltage Main Relay

Turn the ignition switch OFF and disconnect the auxiliary 12V battery negative (-) terminal. Shut off the high voltage. (Refer to Hybrid Control System - "High voltage Shut-off Procedures") Remove the center tra

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