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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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

Cooling Fan Control Module (PWM) | Radiator

Disconnect the battery negative terminal. Remove the air duct. (Refer to Intake and Exhaust System - "Air Cleaner") Disconnect the cooling fan control module (PWM) connector (A) and cooling fan motor