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2015 Kia Sorento LX (FWD), 2010 Kia Sportage LX FWD,
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Discussion Starter · #1 ·
My 2015 Sorento engine died at 109,150 due to the Theta II defect/recall. The process to get the new engine was painless. I had my free rental car scheduled before the dealer even called me to confirm the engine was going to be replaced.

About a week after I got my car back, my mechanic told me my tires and brakes needed to be replaced (brakes were at 2mm - he held up a sheet of paper and joked the pads were that thin).

Around mid-2020, my wife picked up a new Cherokee Trailhawk, which will be our main road trip car (the newer car in our family becomes the family truckster), and my commute dropped from 34+ miles a day to 10+ miles a day back in 2018, so I don't think I'll put on another 109,000 miles on this new engine. From 2014-2018, I was putting on about 15,000-18,000 a year on the car.

So, new engine, tires, and brakes but my confidence in the brand is a little tarnished. I intend on getting the transmission flushed at my next oil change (suggested by the dealer when they swapped the engine).

Have there been any issues with these transmissions?
 

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2008 SpectraSX, 2014 Optima LX,2006 Jeep Liberty, Linux Mint Mate
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#1 DON'T get the transmission flushed if you haven't changed the fluid in those 109K miles...
Metal and friction material has fallen into the fluid pan and flushing the tranny will stir up this mess and then clog the torque converter and valve body... Have the transmission DRAINED and refilled with the same amount of flluid...
Draining will safely remove some of the junk and refilling the tranny with new fluid will help to lubricate your old tranny...
There have been many posts about "flushing" older transmissions causing MAJOR problems...
Now as far as worrying about reliability of the replacement engine a friend of mine had his done and has absolutely no problems with his 2011 Hyundai Sonata (same engine)... These are great cars that had a problem with their engines and KIA/Hyundai owned up to the engine failures... I would not worry about the next 100k other than standard wear items...
Dave
 

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2015 Kia Sorento LX (FWD), 2010 Kia Sportage LX FWD,
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46 Posts
Discussion Starter · #3 ·
#1 DON'T get the transmission flushed if you haven't changed the fluid in those 109K miles...
Metal and friction material has fallen into the fluid pan and flushing the tranny will stir up this mess and then clog the torque converter and valve body... Have the transmission DRAINED and refilled with the same amount of flluid...
Draining will safely remove some of the junk and refilling the tranny with new fluid will help to lubricate your old tranny...
There have been many posts about "flushing" older transmissions causing MAJOR problems...
Now as far as worrying about reliability of the replacement engine a friend of mine had his done and has absolutely no problems with his 2011 Hyundai Sonata (same engine)... These are great cars that had a problem with their engines and KIA/Hyundai owned up to the engine failures... I would not worry about the next 100k other than standard wear items...
Dave
Thanks for the tip on the drain/fill instead of a flush. I'll keep that in mind. I've got less than 2,000 miles left on the oil (dino) in the replacement engine. The dealer said to replace with full synthetic at 3,000 miles. The car's been paid off for about a year now, and with a new engine/tires/brakes, guess I'll keep driving it. I plan on replacing a rear passenger door window switch (quoted over $200 from the dealer but the switch is about $35-$40)
 

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2019 Kia Sportage. SX with AWD. 2.0L Direct Injected Turbocharged & Intercooled Gas.
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1,375 Posts
Bahke.....congratulations on getting the new engine with a minimal amount of hassle.

Give it some time. Your confidence will start to return the more miles you add on to her.

Plus, now since she is paid off, you can feel better about the new engine.

Keep in mind that starters, battery's, alternators, a/c compressors, etc. also have a finite life, so in the near future you may need to replace some of those components....

Having the trans serviced is also a really great idea and should have been done some time ago...

I don't see why you can't get at least another 50K miles out of her, other than corrosion of the undercarriage.
I'm not sure you reside in a real 'rust belt' area with lots of salt used in the winter.
 

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2015 Kia Sorento Lx 2.4L
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My 2015 Sorento engine died at 109,150 due to the Theta II defect/recall. The process to get the new engine was painless. I had my free rental car scheduled before the dealer even called me to confirm the engine was going to be replaced.

About a week after I got my car back, my mechanic told me my tires and brakes needed to be replaced (brakes were at 2mm - he held up a sheet of paper and joked the pads were that thin).

Around mid-2020, my wife picked up a new Cherokee Trailhawk, which will be our main road trip car (the newer car in our family becomes the family truckster), and my commute dropped from 34+ miles a day to 10+ miles a day back in 2018, so I don't think I'll put on another 109,000 miles on this new engine. From 2014-2018, I was putting on about 15,000-18,000 a year on the car.

So, new engine, tires, and brakes but my confidence in the brand is a little tarnished. I intend on getting the transmission flushed at my next oil change (suggested by the dealer when they swapped the engine).

Have there been any issues with these transmissions?
Can I ask how your engine died? Wondering if what happened to you, happened to me. Mine went out a few days ago. Out of nowhere, no warning, didn’t run different or anything. Passing up an 18 wheeler when it quietly went out. Started slowing down. I turned it off and it never started back up. 108k miles. 2015 Lx. It’s at the Kia dealership now, just scared they won’t fix it and I’m stuck with a car I have to pay for every month and can’t drive. LOL 😂
 

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Sorento SX AWD 2015
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2.4L was a big issue. Sweetie81, I doubt you'd have a problem. If you're getting a hard time contact Kia Customer Relations directly and they'll contact the dealer for you.

These are fair size vehicles the V6 3.3L mates with it a whole lot better.

As for transmission, just drain and fill. I did mine two consecutive years now and lower mileage. I felt an improvement after the 2nd one recently done. It came out black coal.
 

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Sorento SX AWD 2015
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How long have they had your Sorento Sweetie...
 

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Sorento 2015 LX 2.4 AWD, Suzuki 2011 SX4 AWD, ( 2000 KIA Sportage, junked)
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I think Sweetie in the USA will be OK but I do not remember any thread or post detailing how this issue is resolved in Canada.....or is it ?..I cannot find any clear recall of that kind for Canada....I found this
but not clearly similar to the USA recall IMO...
 

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Sorento SX AWD 2015
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I don't buy 4 cylinder vehicles. Tried one and also had a CVT transmission. Huge mistake, its gone now. V6's rule IMO.

I don't recall reading a claim on this forum but I am sure there are enough. Sweetie's in Texas I believe. I am sure they'll treat her right. It will take time to get the engine and maybe a specialist does the swap.
 

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Sorento SX AWD 2015
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I guess there is no feed back in new info.
 

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2015 Kia Sorento Lx 2.4L
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How long have they had your Sorento Sweetie...
I dropped it off on Tuesday, and still hasn’t moved from the spot I towed it to. They said about a week before they can even look at it. I had to rent a car. 😑😕
 

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Sorento SX AWD 2015
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Is this a big town, city dealership? Talk to the service manager and/or Dealer head. Address your concerns especially as you're renting the existing vehicle.
 

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99 Kia Elan 1.8L
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I suspect the dealership will remain non-committal until its confirmed to be covered by warranty/recall.
 
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Sorento SX AWD 2015
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They'd have to look at it at least and diagnose something/confirm. Maybe it was put back in the same spot.
I am guessing now ....well its a business day and something should be confirmed I'd expect if it were me.
 
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2015 Kia Sorento Lx 2.4L
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I hope to hear something back soon. I’m just hoping it’s something covered under replacement recall. 🙏 My luck it won’t be and then I’m screwed. 🥴
 

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Sorento SX AWD 2015
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If you're not satisfied. Call Kia directly yourself and/or have it picked up and tow to another dealer. But get the work order results of their assessment.

Good Luck
 
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Well Done there Sweetie81, you'll be purring again soon. Keep on top of oil changes and you should be ok afterwards.
 
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Let me know how it goes or when you get it back.

Cheers!!
 
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