Let me guess. He's a dealer?
Changed Oil Pan on 2019 Hyundai, very clean engine.
- Thread starter stchman
- Start date
Let me guess. He's a dealer?
My son has same car, same year, same engine. I have been using Valvoline Restore and Protect. Doesn't seems to be losing any after 5 oil changes. He bought it used at 44K and is currently at 80K. Oil changes every 4K, but have since bumped it to 5K. No engine issues at all, but rear drivers side window cable broke. Had to replace that (horrible job....)
Dealers are the only people I see extolling the unmatched virtues of Amsoil. While I am sure Amsoil is good oil, it is not some magical elixir that will make engines last forever, add 10MPGs, makes engines silent, etc.
Was it ever burning oil and you fixed it with Valvoline Restore and Protect? I'm trying to remember.
- Joined
- Jan 8, 2026
- Messages
- 48
Just an FYI, I have a Kia with the same Theta engine. Bought at 72k miles. Made sure all the necessary recalls and inspections were done on it in case the engine let go on me. Drove it for just over a year and a half and had zero issues. Great power, no oil burning, always inspected the oil each time for glitter/metal shavings, nothing. Never had any noise other than normal.
Then one day I was on the highway with my family. Hit the gas a bit to get around someone on the highway, when suddenly the car just shut off. 87k miles. Dash lit up. I tried to start it back up and nothing. Found a good place to pull over and check it out. Engine still had oil. Tried cranking and the engine wouldn't budge. Got it to a local shop and they could barely turn it over once they got a wrench on the crank. Got it towed to a Kia dealer, and after they looked it over, called and said I'd be getting a new engine.
When I went to pick it up, they said one of the crank bearings had ground itself to shreds and locked the motor up.
What I'm saying is, mine was solid until it wasn't. Plenty of people have been lucky though and had no problems, but Hyundai/Kia really dropped the ball on themselves trying to save a bit of time in production. Just don't let any dealers try to screw you around getting it taken care of if (when) it happens.
Patman
Staff member
GW reported having a perfectly clean top end but also with carboned up piston rings so anything is possible. As mentioned it takes a lot to sludge up the bottom end compared to the rest of the engine
I hate to sound this way, but my girlfriend bought her Hyundai brand new and I have performed all the maintenance items. I know for sure the oil and filter was changed every ~5000 miles.
Prison_Mike bought it with 72K miles and is he for sure that the previous owner actually performed the routine maintenance as scheduled or is he just talking the their word for it?
You own a Hyundai/Kia, you maybe lucky to have an outlier, your too early in it's life to think you do, on top of that, you have one of their worst engines. If you had 200,000 on then you "may" have one. You have 87,000 miles, you still have a high chance of a Hyundai/Kia catastrophe. You are at the starting point of when bad things happen to Hyundai/Kia engines, even so called "clean ones." First thing I would do if I wanted to try to get a Hyundai/Kia engine to last is MAKE SURE the rings are clean. You have zero idea if they are, you just have Hope. Spend the $29/5qt of Valvoline Restore and Protect 5w-30 for 5-6 oil changes to make sure. No 4 oil changes is not enough for badly designed Hyundai/Kia engines. Since you are not burning oil, I would just go with 5.
Many recommend 5K mile oil and filter changes using full synthetic 5W20 or 0W20 oil. I've been doing that since it was new.
This guy knows Hyundai/Kia really well. He gives good advice.
A little bit. Maybe a 1/2-3/4 a quart in a 4K oil change interval.
If running a Theta 2 2.4 or 2.0, I recommend 5W-30 in these. It's allowed in the manual and I think it makes a difference.
True that. My 18 rogues top end was immaculate from 5k changes using Valvoline. 123k and uses not a drop, but being the 2.5 helps with that as well. Now these turbo charged, plastic oil panned sewing machines. Not so much.
Maybe and maybe not. When I switched out the stock Conventional to amsoil in the drivetrain I gained an mpg or two. I’ve since tried motul, schaeffers and now RP. Now the only thing that gains some mileage is summer fuel.
