2008 Kia Optima L4-2.4LFACTORY OEM SERVICE PROCEDURE

Engine Oil: Service and Repair

OIL AND FILTER

CAUTION
^ 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 engine oil.
1) Remove the oil filter cap.
2) Remove the oil drain plug, and drain the oil into a container.
2. Replace oil filter.
1) Remove the oil filter.
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.

Tightening torque
11.76 - 15.68Nm (1.2 - 1.6kgf.m, 8.67 - 11.57lb-ft)

3. Refill with engine oil filter.
1) Clean and install the oil drain plug with a new gasket.

Tightening torque
39.2 - 44.1Nm (4.0 - 4.5kgf.m, 28.9 - 32.5lb-ft)

2) Fill with fresh engine oil

Capacity
With balance shaft module(BSM):
When replacing a short engine or a block assembly - 5.2L(5.49US qt, 4.58Imp qts)
When replacing oil pan only - 4.0L(4.23US qt, 3.52Imp qts)
Drain and refill including oil filter - 4.3L(4.54US qt, 3.78Imp qt)

Without balance shaft module(BSM):
When replacing a short engine or a block assembly - 4.5L(4.76US qt, 3.96Imp qts)
When replacing oil pan only - 3.6L(3.80US qt, 3.17Imp qts)
Drain and refill including oil filter - 3.9L(4.12US qt, 3.43Imp qt)

4. Start engine and check for oil leaks.
5. Recheck engine oil level.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.