Kia Forte: Lubrication System / Engine Oil

Kia Forte 2019-2023 (BD) Service Manual / Engine Mechanical System / Lubrication System / Engine Oil

Repair procedures

Prolonged and repeated contact with mineral oil will result in the removal of natural fats from the skin, leading to dryness, irritation and dermatitis. In addition, used engine oil contains potentially harmful contaminants which may cause skin cancer.

Exercise caution in order to minimize the length and frequency of contact of your skin to used oil. Wear protective clothing and gloves. Wash your skin thoroughly with soap and water, or use water - less hand cleaner, to remove any used engine oil. Do not use gasoline, thinners, or solvents.

In order to preserve the environment, used oil and used oil filter must be disposed of only at designated disposal sites.


Drain the engine oil.


Remove the oil filler cap (A).


Remove the oil drain plug (A), and drain the oil into a container.


Replace the oil filter.


Remove the oil filter (A) with the oil filter wrench (09263 - 2E000).


Clean the oil filter seating surface of the filter base.


Apply a light coat of new engine oil to the gasket of a new oil filter.


Install the new oil filter by hand till the gasket seats.


Tighten the oil filter to the specified torque using the oil filter wrench.

Tightening torque :

11.8 - 15.7 N·m (1.2 - 1.6 kgf·m, 8.7 - 11.6 lb·ft)


Refill with engine oil.


Clean and install the oil drain plug with a new gasket.

Tightening torque :

34.3 - 44.1 N·m (3.5 - 4.5 kgf·m, 25.3 - 32.5 lb·ft)


Fill with fresh engine oil.


Total :

4.6 L - 4.9 L (1.21 - 1.29, 4.86 - 5.17 U.s.qt., 4.04 - 4.30 lmp.qt.)

Oil pan :

4.2 L (1.10, 4.43 U.S.qt., 3.69 lmp.qt.)

Drain and refill including oil filter :

4.5 L (1.18, 4.75 U.S.qt., 3.95 lmp.qt.)


Install the oil filler cap.


Start engine and check for oil leaks.


Recheck the engine oil level.


When rechecking the engine oil level, be sure to warm up the engine enough. If the engine warm up is not enough, the engine oil level can be measured less than specification.


To reset the service interval to the recommended mileage, refer to the service mode section in the owner's manual for procedure (if applicable).


Engine Oil


Check the engine oil quality.

Check the oil deterioration, entry of water, discoloring of thinning.

If the quality is visibly poor, replace the oil.


Check the engine oil level.

After warning up the engine and then 5 minutes after the engine stop, oil level should be between the "L" and "F" marks in the dipstick.

If low, check for leakage and add oil up to the "F" mark.


Do not fill with engine oil above the "F" mark.

Selection Of Engine Oil


- For Europe : ACEA C2/C3 / 5W-30

- For Middle east, India, Libia, Algeria, Morocco, Tunisia, Sudan, Egypt, Iran etc : ACEA A5/B5 / 5W-40

- For Central & South America : ACEA C2/C3 / 5W-30

Allowed Oil Grade

- API SL or above

- ILSAC GF-3 or above

- ACEA A3 or above

Allowed SAE Viscosity


For best performance and maximum protection of all types of operation, select only those lubricants which :


Satisfy the requirement of the ILSAC, API or ACEA classification.


Have proper SAE grade number for expected ambient temperature range.


Lubricants that do not have both an SAE grade number and ILSAC, API or ACEA service classification on the container should not be used.

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Flow diagram Flow Diagram ...

Oil Pressure Switch
Repair procedures Removal and Installation 1. Remove the engine room under cover. (Refer to Engine and transmission Assembly - "Engine Room Under Cover") ...

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