Kia Optima: Changing the coolant - Engine coolant - Maintenance - Kia Optima TF 2011-2026 Owners ManualKia Optima: Changing the coolant

Have the coolant changed by an authorized Kia dealer according to the Maintenance Schedule at the beginning of this section.

Put a thick cloth or fabric around CAUTION

Put a thick cloth or fabric around the radiator cap before refilling the coolant in order to prevent the coolant from overflowing into engine parts such as the alternator.

WARNING - Coolant

Checking the coolant level
WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage. Also, hot ...

Brake/clutch fluid
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See also:

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). ...

Fuel Pressure Control Valve. Description and Operation
Description Fuel Pressure Regulator Valve is installed on the high pressure fuel pump and controls fuel flow flowing into the injectors in accordance with the ECM signal calculated based on var ...

Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the crankshaft position sensor connector (A). ...

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