Engine Mechanical System

Air cleaner

13steps
~78min
3/5difficulty
Done 0 of 13

Components and Component Location

Components

1. Air Duct
2. Air Cleaner Housing
3. Air Cleaner Element
4. Air Cleaner Cover
5. Air Intake Hose

Repair Procedures

Removal and Installation

Air Cleaner Assembly

  1. Disconnect the negative battery cable.

  2. Remove the air duct (A).

  3. Remove the engine cover.

    (See Engine and Transaxle Assembly - Engine Cover)

  4. 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 ft-lbf, 26.0–43.4 in-lbf)

    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 ft-lbf)

  5. Install in the reverse order of removal.

Air Cleaner Element Replacement

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

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

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

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

Inspection

  1. Remove the air cleaner element.

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

  3. If the air cleaner element needs cleaning, blow it with compressed air as shown in the illustration.

  4. Install the air cleaner element.

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.