Kia Optima: Intake And Exhaust System / Air Cleaner

Kia Optima DL3 2019-2022 Service and Repair Manual / Engine Mechanical System / Intake And Exhaust System / Air Cleaner

Components and components location

Components

1. Air duct
2. Air cleaner body
3. Air cleaner element

4. Air cleaner cover
5. Air intake hose

Repair procedures

Removal and Installation

Air Cleaner Assembly

1.	Disconnect the battery negative terminal.

2.	Remove the air duct (A).

3.	Remove the engine cover. (Refer to Engine and Transaxle Assembly - "Engine Cover")

Remove the air cleaner assembly.

(1)	Disconnect the breather hose (A).

(2)

Disconnect the air intake hose (B).

Tightening torque :

Hose clamp : 2.9 - 4.9 N•m (0.3 - 0.5 kgf•m , 2.2 - 3.6 lb•ft, 26.0 - 43.4 lb•in)

(3)

Remove the air cleaner assembly (C).

Tightening torque :

7.8 - 9.8 N•m (0.8 - 1.0 kgf•m , 5.8 - 7.2 lb•ft)

5.	Install in the reverse order of removal.

Air cleaner element replacement

1.	Remove the air cleaner element cover (A) by lifting it off.

2.	Release the element locking by turning the levers to "UNLOCK" position and then pull out the element forward.

Replace the air cleaner element (A) with a new one.

When removing the air cleaner element, pull the air cleaner element handle forward.

If there is foreign substances in the air cleaner assembly, clean the inside of air cleaner assembly and then replace the element.

4.	Fully insert the element into the air cleaner and then close the element cover (A) after turning the levers to "LOCK" position.

Inspection

1.	Remove the air cleaner element.

2.	Check if the air filter is excessively dirty. If so, replace the air cleaner element.

If the air cleaner element needs to be cleaned, blow compressed air as shown in the illustration to clean it.

Be fully aware of the direction of using compressed air on the air cleaner.

4.	Reinstall the air cleaner element.

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