KIA Niro: CVVT & Camshaft

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Engine Mechanical System / CVVT & Camshaft

CVVT & Camshaft Description and operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load. By controlling CVVT, th

CVVT & Camshaft Repair procedures

Removal Warning Use fender covers to avoid damaging painted surfaces. To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature (20ÂºC (68ÂºF)) before removing it. When handling a

Cylinder Head Repair procedures

Removal Engine removal is not required for this procedure. Warning Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instruction

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Delivery Pipe Repair procedures

Removal Warning In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don't do any repair work right after engine stops.

Cylinder Head

Inspect for flatness. Using a precision straight edge and feeler gauge, measure the contacting surface of the cylinder block and check the manifolds for warpage. If the flatness is greater than maximum, replace the cylinder head. Fla