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Kia Sportage Engine Oil Change Guide
How to change the motor oil and filter on the Theta II 2.4L I4 engine in a 4th generation 2017 to 2022 Kia Sportage.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

2018 Sportage 2.4L I4
Twist Off Oil Filler Cap
Oil Filler Cap Removed
This automotive maintenance tutorial was specifically written to assist owners of the fourth generation (2017, 2018, 2019 and probably also the refreshed 2020, 2021 and 2022) Kia Sportage SUV in changing the motor oil and replacing the oil filter on the Theta II 2.4 liter inline four cylinder engine.

Owners of other Kia, Hyundai and Genesis vehicles such as the Niro, Optima, Soul, Forte, Rio, Stinger, Cadenza, K900, Sorento, Telluride, Sedona, Kona, Santa Fe, Tucson, Elantra, Sonata, Accent, Rondo, Carens, Veloster, Ioniq, Nexo, Palisade, G70, G80 and G90 may also find these DIY instructions to be helpful.

A few compatible replacement oil filters with their part numbers include the following: Bosch 3312, Fram XG9688, Wix 51334, ACDelco PF1127, Purolator L14459, Pennzoil HPZ-37 and Mobil 1 M1-104.

The tools and other items needed to complete this procedure include a small flathead screwdriver, a 17mm socket with a 3/8" drive ratchet, a used oil catch container, a Lisle 63600 oil filter wrench (optional) and six U.S. quarts of new SAE 5W-20 oil.

The oil capacity specification for the Hyundai / Kia Theta II 2.4L I4 engine for an oil change with a filter replacement is 5.07 U.S. quarts (or 4.8L). The specification is the same for the 2.0 liter T-GDI turbocharged engine.

The first steps are to warm up the engine for a few minutes, park the vehicle on a level surface and turn off the ignition.

Warming up the engine will help suspend any contaminants within the old oil and also allow it to drain out more quickly.


Partially Remove Dipstick
Under Engine Cover
Skid Plate Access Covers
Then open the hood, twist off the oil filler cap in the counterclockwise direction and lift out the red plastic dipstick handle an inch or two.

Removing the oil fill cap and partially removing the dipstick will help prevent a vacuum from forming and also allow the old oil to drain out more quickly.

Make sure the emergency / parking brake is engaged and place wheel chocks on both sides of the rear tires to make sure the car doesn't move.

I was able to slide under the SUV and access the drain bolt and oil filter relatively easily.

If you would like more room to work under the car, raise it with a floor jack and securely support it with at least two jack stands or drive the car up on to automotive ramps.

Slide under the front of the engine bay with a small flathead screwdriver.

There are two service access covers on the under engine cover or "skid plate".

The oil filter is located behind the round cover located closer to the front of the car.

The oil pan and drain bolt are located behind the somewhat oval cover located closer to the rear of the engine bay.

Pry Out Center of Fastener
Pull Out Pop Rivet
Old Oil Filter Location
Use a small flathead screwdriver to gently pry out the smaller pins in the center of the pop rivet fasteners to release them.

Once the fasteners have been unlocked, pry out the base to remove them.

I just removed two pop rivets on the oil filter access and then rotated it out of the way. I found that the pop rivets were relatively brittle and would break easily.

Drain Bolt Access Door
Pop Rivet Removed
Oil Drain Plug & Oil Pan
Then remove the pop rivets on the oil drain bolt access cover.

Set the fasteners aside in a safe place.

Loosen Counterclockwise
Drain Out Old Oil
Tighten Oil Drain Bolt
Slide the used oil catch basin to just below the drain bolt.

Loosen the drain bolt by turning it in the counterclockwise direction with a 17mm socket and a 3/8" drive ratchet.

Be careful when you remove the drain bolt. The old oil might still be hot enough to burn your fingers depending on how long you warmed up the engine.

Allow the old oil to drain out for at least a few minutes or until the flow slows down to just an occasional drip.

Inspect the metal washer or "gasket" on the oil drain bolt and replace it if necessary.

The Kia / Hyundai part number for the oil drain bolt washer is 21513-23001.

Clean the area around the drain hole with a paper towel. Make sure that the old washer is not still attached to the oil pan.

Re-insert the oil drain bolt and spin it in a few turns in the clockwise direction by hand to make sure it doesn't become cross threaded.

Tighten the oil drain bolt in the clockwise direction with the 17mm socket and a 3/8" drive ratchet to just past hand tight.

If you have a torque wrench, the service manual specification for the oil drain bolt is 25 to 32 lb-ft of torque.

Old Oil Filter
Slide Drain Pan Forward
Oil Filter Wrench
Carefully move the used oil catch container forward to just below the old oil filter.

Spin off the old oil filter in the counterclockwise direction.

If you have trouble removing a stuck or stubborn oil filter, I highly recommend using the Lisle 63600 oil filter wrench.

I've found it to be the easiest way to remove an old filter that was put on way too tight at the factory or a quick lube oil change shop.


Twist Off Counterclockwise
Drain Out Old Oil
Dip Finger In New Oil
Turn over the old oil filter and drain it out into the catch basin.

Allow the old oil from the oil filter receptacle to drain out for at least a few minutes.

Dip your pinky finger into some new oil and lubricate the rubber o-ring gasket on the new oil filter.

Lubricate Rubber O-Ring
Twist On New Oil Filter
Replace Access Door
Lubricating the rubber o-ring on the new oil filter will help it form a better seal to prevent oil leaks and also make it easier to remove during the next oil change.

Make sure the the gasket from the old oil filter is not still attached to the engine.

Spin on the new oil filter in the clockwise direction and tighten it to about 1/3 to 1/2 turn past finger tight.

Try to avoid over tightening the new oil filter to prevent from damaging the rubber o-ring which could lead to an oil leak.

Double check that the drain bolt and the new oil filter are tight before moving on to the next steps.

Push In Pop Rivets
Replace Drain Bolt Cover
Replacing Pop Rivets
Replace the two plastic service access covers.

Make sure the pin or "button" in the center of the fasteners is in the out and released position.

Push the fasteners back into place and pop in the center pieces to lock them into place.

Access Cover Secured
Two Covers Replaced
Insert Automotive Funnel
Double check that the two service doors are secured in the under engine cover.

Insert the automotive funnel into the oil filler hole.

Pour In New Oil
Replace Oil Fill Cap
Push Down Dipstick
The oil capacity specification for the Theta II 2.4L I4 engine for an oil change with a filter replacement is 5.07 U.S. quarts (or 4.8 liters) of SAE 5W-20 oil.

So you'll need six quarts of new oil. You can save the extra unused oil for the future.

It is far better to have slightly less oil than necessary in the engine than to over fill it. Running an engine that has been over filled with oil can lead to sluggish performance or possibly cause damage to seals and gaskets or other components.

I recommend only pouring in about 4 1/2 to 4 3/4 U.S. quarts of new oil at first.

Then replace the oil filler cap by twisting it on in the clockwise direction and push down the dipstick.

Check Oil Level
Pour In More Oil
Replace Dipstick
Start the engine and allow it to warm up for a few minutes to distribute the new oil.

Then turn off the ignition and allow the new oil to drain back down to the pan for at least five to ten minutes.

Pull out the dipstick, wipe it clean with a paper towel, fully re-insert it and then pull it out again to check the oil level.

If necessary, slowly pour in more oil and repeatedly check the level on the dipstick until it reaches at or just below the upper metal hole in the tip of the dipstick that indicates the "MAX" (maximum) or "FULL" line.

You may not need to pour in the entire 5.07 U.S. quarts of new oil in order for the level on the dipstick to reach the upper metal hole depending on how long you allowed the old oil to drain out.

Once the oil level is correct, make sure the oil filler cap is tight and replace the dipstick.

To reset the "Service Required" message for the oil service interval (also known as the "oil life meter"), follow these steps: 1. Turn on the ignition but do not start the engine. Press the "Menu" button on the right side of the steering wheel (next to the "Cruise" button). 2. Press the menu button until you see the "User Settings" menu. 3. Use the arrow buttons to select the "Service Interval" menu option. 4. Press "OK" to enter the "Service Interval" menu. 5. Choose the "Reset" option. Press and hold "OK".

You can also change the oil service interval from the default 7,500 miles in this menu.

On some Kia models, you simply press the "Menu" button until you see the "Service Interval" screen and then press the "OK" button. When the screen says "Hold OK: Reset", press and hold the OK button until the interval resets to your setting.

Turn off the ignition and turn it back on again to verify that the service interval has been reset.

Please check out all of my 2017-2022 Kia Sportage DIY Repair & Maintenance Guides.

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