Kia Optima: Inspection - Timing Chain. Repair procedures - Timing System - Engine Mechanical System - Kia Optima TF 2011-2023 Service ManualKia Optima: Inspection

Sprockets, Chain Tensioner, Chain Guide, Chain Tensioner Arm

1. Check the camshaft sprocket and crankshaft sprocket for abnormal wear, cracks, or damage. Replace as necessary.
2. Inspect the tensioner arm and chain guide for abnormal wear, cracks, or damage. Replace as necessary.
3. Check that the tensioner piston moves smoothly when the ratchet pawl is released with thin rod.
Drive belt, Idler, Pulley
1. Check the idler for excessive oil leakage, abnormal rotation or vibration. Replace if necessary.
2. Check belt for maintenance and abnormal wear of V-ribbed part. Replace if necessary.
3. Check the pulleys for vibration in rotation, oil or dust deposit of V-ribbed part. Replace if necessary.

Removal
Х Use fender covers to avoid damaging painted surfaces. Х To avoid damage, unplug ...

Installation
1. Install the balance shaft chain. (Refer to Lubrication system in this group) 2. Install the crankshaft chain sprocket (B) and the timing chain oil jet (A). ...

See also:

Fuel requirements
Your new Kia vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher. Your new vehicle is designed to obtain maximum performa ...

Engine Cooling System
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a ...

Manifold Absolute Pressure Sensor (MAPS). Description and Operation
Description Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor and is installed on the surge tank. It senses absolute pressure of the surge tank and transfers the analog si ...

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