Kia Optima DL3: Power Train / Engine Oil and Filter

Kia Optima DL3 2019-2025 Service and Repair Manual / Maintenance / Power Train / Engine Oil and Filter

Repair procedures

Inspection
1.

Check the engine oil quality.

Check the oil deterioration, entry of water, discoloring of thinning. If the quality is visibly poor, replace the oil.

2.

Check the engine oil level.

After engine warm up stop the engine wait 5 minutes then check the oil level. Oil level should be between the "L" and "F" marks on 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.

Oil And Filter Replacement
[NU 2.0 MPI]
  
•

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.

1.

Park the car on level ground.

2.

Drain engine oil.

(1)

Remove the oil filler cap.

(2)

After lifting the car, remove the oil drain plug (A) and drain oil into a container.

3.

Replace the oil filter.

(1)

Using the SST (09263-2E000), remove the oil filter (A).

(2)

Check and clean the oil filter installation surface.

(3)

Check the part number of the new oil filter is as same as old one.

(4)

Apply clean engine oil to the gasket of a new oil filter.

(5)

Lightly screw the oil filter into place, and tighten it until the gasket contacts the seat.

(6)

Tighten it with the torque below.

Tightening torque :

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

4.

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)

5.

Fill with new engine oil, after removing the engine oil level gauge.

Capacity

Total :

4.5 L (1.19 U.S.gal., 4.76 U.S.qt., 3.96 lmp.qt.)

Oil pan :

3.7 L (0.98 U.S.gal., 3.91 U.S.qt., 3.26 lmp.qt.)

Drain and refill including oil filter :

4.0 L (1.06 U.S.gal., 4.23 U.S.qt., 3.52 lmp.qt.)

6.

Install the oil filler cap.

7.

Start engine and check for oil leaks and check the oil gauge or light for an indication of oil pressure.

8.

Recheck the engine oil level.

9.

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

[THETAIII 2.5 GDI]
  
•

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.

1.

Drain the engine oil.

(1)

Remove the oil filler cap (A).

(2)

Remove the oil drain cover (A).

(3)

Loosen the drain plug (A) and then drain oil.

2.

Replace the oil filter.

(1)

Drain oil in the oil filter by loosening the drain bolt (A) located at the bottom of oil filter cap.

(2)

Remove the oil filter cap (A) using a socket wrench.

(3)

Install the new oil filter (A).

(4)

Install the oil filler cap (A) using a socket wrench.

Lightly tighten the oil filter cap into place, and tighten it until the O-ring contacts the seating surface.

Tightening torque :

25.5 - 29.4 N·m (2.6 - 3.0 kgf·m , 18.8 - 21.7 lb·ft)

  
•

When installing the oil filter cap, check that the new O-ring is seated in place of the cap.

•

When installing the oil filter cap, clean the oil filter mounting surface and then apply engine oil to new O-ring.

•

Replace the O-ring of oil filter cap with a new one.

•

Wipe off the oil remaining on the threads of oil filter cap and then install the oil filter cap.

(5)

Replace the drain bolt (A) with a new one and then tighten it to the specified torque.

Tightening torque :

3.9 - 4.9 N·m (0.4 - 0.5 kgf·m , 2.9 - 3.6 lb·ft, 34.7 - 43.4 lb·in)

3.

Fill engine oil.

(1)

Install the oil drain plug (A) with the new gasket.

Tightening torque :

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

(2)

Fill new engine oil through the oil inlet.

Before filling engine oil, remove the oil level gauge.

Capacity

Total: 5.8 L (1.5 U.S.gal., 6.1 U.S.qt., 5.1 lmp.qt.)

Oil pan: 4.8L (1.3 U.S.gal., 5.1 U.S.qt., 4.2 lmp.qt.)

Drain and refill including oil filter : 5.2L (1.4 U.S.gal., 5.5 U.S.qt., 4.6 lmp.qt.)

  

First fill the half of total capacity and then fill the other half after approximate 1 minute has elapsed.

(3)

Install the oil drain cover (A).

Tightening torque :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m , 5.8 - 8.7 lb·ft)

(4)

Install the oil filler cap and oil level gauge.

4.

Start engine and check for oil leaks.

5.

Recheck the engine oil level.

  
•

Before rechecking the engine oil level, sufficiently warm up the engine.

•

If engine is not sufficiently warmed up, engine oil level could be checked below the specified value.

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