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2015 nx longevity and how to get the max

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Old Nov 22, 2025 | 05:59 AM
  #16  
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Originally Posted by miop4000
Sorry, but get rid of it.

At 200k kms my 2015 NX 200t started costing big bucks.

2nd rear main seal leak. Chronic battery issues. Interior trim, front arm rest needing replacement. Lexus standard service increasing to 4 figures. Creaky sunroof (although problem across all Lexus tilt and slide moonroofs), Rotors needing replacement etc etc.

And yes, serviced by Lexus from new and had all the service bulletins like wastegate actuator done early on.
that’s unfortunate to hear- my 2015 has 160k miles. Outside of a water pump replacement and valve cover gaskets due to a leak, it’s been solid with only normal wear and tear items addressed given the age (ie. Shocks/struts, brakes, bushings, fluid changes). I do my own work to keep the costs down.
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Old Nov 23, 2025 | 05:04 AM
  #17  
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I have 106k happy miles on my 2020 NX.

I drive mostly highway miles, and I'm not an aggressive driver at all. Over the years I've decided "I'll get there when I get there", and when I'm in traffic, I don't get bent out of shape about it.
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Old Nov 23, 2025 | 08:11 PM
  #18  
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Originally Posted by miop4000
Sorry, but get rid of it.

At 200k kms my 2015 NX 200t started costing big bucks.

2nd rear main seal leak. Chronic battery issues. Interior trim, front arm rest needing replacement. Lexus standard service increasing to 4 figures. Creaky sunroof (although problem across all Lexus tilt and slide moonroofs), Rotors needing replacement etc etc.

And yes, serviced by Lexus from new and had all the service bulletins like wastegate actuator done early on.
The only thing I see here being something crappy is the main seal leak... Everything else is just expected out of any car at this age

I'm of the old adage "it's almost always cheaper to repair than to replace". If I got $18k for my NX now I would spend another $18k buying the next used one (which will also last 7 years)

Or spend another hopefully $4000k on stuff that breaks and last me 7 more years.

Probably still get $6000 for the car at that point to put towards a new used one.

Did you do something to fix the creaky sunroof or prevent it? I assume something needs greasing and dried out
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Old Nov 23, 2025 | 08:14 PM
  #19  
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Originally Posted by gompka
Take a look at carcarenut youtube channel, all the issues he sees with Lexus and Toyota have to do with the 10k mile oil change interval, he recommends a maximum of 5k and actually says to do 3-4k oil changes if you really want the car to last, because the turbo really cooks the oil. I have done 5k for the life of the engine, but am going to drop it to 4k now that i'm at 100k miles. I do a lot of towing with my car though.
This is interesting and potentially very important information to me, seeing as how I was about to embark on the complete opposite path.

I should get my oil results back this week and to be honest, I was going down this path not about saving money but about saving time. I thought hey if this oil is the bees knees let's just use it at further intervals. I've always changed the oil very early on all my cars since I was a teen for obvious reasons. I will check out the channel, thanks for the heads up
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Old Nov 23, 2025 | 10:37 PM
  #20  
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I forgot about editing my Post #14 and just decided to do a new one here.

If you want to stock up on OCI filters, there should be a Black Friday sale coming up and also one around Christmas time.

Here is the Part # and links to Bell (AZ), Treasure Coast (FL), and Prestige (NJ) Lexus Parts Dept, depending on where you live.

With Free Shipping and No Sales Tax for out-of-state customers it’s a no-brainer for us as our local sales tax is over 10%. I usually get cabin and engine air filters, wiper inserts, and whatever other OEM items needed during these sales.

ENGINE OIL FILTER ELEMENT

Part Number: 04152YZZA1


04152YZZA1 - Lexus Engine Oil Filter Element. Fluids | Bell Lexus North Scottsdale, Scottsdale AZ

04152YZZA1 - Lexus Engine Oil Filter Element. Fluids | Treasure Coast Lexus, Ft. Pierce FL

04152YZZA1 - Lexus Engine Oil Filter Element. Fluids | Prestige Lexus, Ramsey NJ



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Old Nov 24, 2025 | 03:01 AM
  #21  
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Moonroof motor changed under warranty.

Problem comes back, however. Grease does nothing.

On my RCF moonroof rattled. Stripped and bolts tightened. Now creaking but out of warranty. Same problem on my CT.

My latest Lexus has no moonroof.



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Old Nov 24, 2025 | 06:34 AM
  #22  
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Originally Posted by LexMan2003
It took me a LONG time to accept the 'recommendation' to go 5k between oil change. All my life I've been doing them at 3k. Finally, I was convinced mainly because of the hype about "synthetic".
A couple of years later, I then read about some saying that the turbo is harder on the oil, and so, now I am back to my 3k interval.

Now, for me, it's a no-brainer:
1) Peace of mind.
2) Not expensive at all (I but the 6 1q jugs of Mobil-1 at COSTCO when it's on sale, usually about $33 for 6q). I buy the OEM filters in mail-order, perhaps 10-12 at a time, costing about $4/each.
3) I DO IT MYSELF, and I know it's getting done R I G H T. I let the oil drip, drip, drip from anywhere from 30m to 3h while I tend to other things at home.
Originally Posted by gompka
Take a look at carcarenut youtube channel, all the issues he sees with Lexus and Toyota have to do with the 10k mile oil change interval, he recommends a maximum of 5k and actually says to do 3-4k oil changes if you really want the car to last, because the turbo really cooks the oil. I have done 5k for the life of the engine, but am going to drop it to 4k now that i'm at 100k miles. I do a lot of towing with my car though.
Because I got this done before I created this thread and recently received the results, I thought I would share this....you might find this neat. I had an oil analysis done at just over 10,000km. From chat GPT interpretation it says that my 10,000km is in the same condition of a 5,000km-6,000km oil change. My plan is now to use this "25,000km" oil and change it at 7,000km-8,000km instead of 10,000km, which should resemble a standard 5,000km-6,000km oil change. Excited to continue my longevity journey with you guys and appreciate all the info this thread has provided.

Next step, oil change, diff and transfer case change as per carcarenut!




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Old Dec 1, 2025 | 09:06 AM
  #23  
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Oil analysis is good to track engine wear, but I wouldn't bet my engine on it, will they replace it if they were wrong and your engine dies early with extended oil changes, just as an example? Oil is cheap its only $25-30 for a jug of mobile 1 or whatever you like, just change it often its cheap insurance, especialy if you are chasing "longevity." I can tell by the smell and look of my oil that at 4-5k its time to change it. I may run my car a bit harder than you as its driven in Chicago traffic and only a few miles a day, this really beats up my oil.
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