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Toyota's legendary V8 has a problem

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Old Sep 10, 2024 | 04:52 PM
  #121  
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Originally Posted by Striker223
Aka do 5k since essentially existing at all forces 95% of all cars into severe service haha! There we have it! 5k is what that engineers say to do right in the manual!
‘Until I brought it up. You had no clue that Toyota had a service stipulation for 5K for modern models but under regular use the interval is 10K

You also had no clue that the original LS400 has 4 month 5000K mile intervals or 7500K 6 month intervals..choice up to the customer depending on driving distances and needs. Not everyone drives 150 MPH for long distances on the Interstate like you do. Some have an easy going driving. I will always trust an engineer over a mechanic, an engineering degree goes a long way. A Ph.D ever farther

Last edited by Toys4RJill; Sep 10, 2024 at 04:55 PM.
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Old Sep 10, 2024 | 05:05 PM
  #122  
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Originally Posted by Toys4RJill
You also had no clue that the original LS400 has 4 month 5000K mile intervals or 7500K 6 month intervals..choice up to the customer depending on driving distances and needs. Not everyone drives 150 MPH for long distances on the Interstate like you do. Some have an easy going driving. I will always trust an engineer over a mechanic, an engineering degree goes a long way. A Ph.D ever farther
It wasn't choice up to the customer, it was a severe or light duty use schedule. Lexus dealers always used the 5k schedule not the 7.5k schedule. I know...I had one.
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Old Sep 10, 2024 | 05:13 PM
  #123  
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you also had no idea there was a 7500mile option 34 years ago either
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Old Sep 10, 2024 | 05:19 PM
  #124  
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Originally Posted by Toys4RJill
you also had no idea there was a 7500mile option 34 years ago either
I absolutely did, I owned a 1998 LS400 with the same maintenance schedule.
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Old Sep 10, 2024 | 05:25 PM
  #125  
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Originally Posted by Toys4RJill
‘Until I brought it up. You had no clue that Toyota had a service stipulation for 5K for modern models but under regular use the interval is 10K

You also had no clue that the original LS400 has 4 month 5000K mile intervals or 7500K 6 month intervals..choice up to the customer depending on driving distances and needs. Not everyone drives 150 MPH for long distances on the Interstate like you do. Some have an easy going driving. I will always trust an engineer over a mechanic, an engineering degree goes a long way. A Ph.D ever farther
Yes I did know. You think I can't/don't read my manuals? You think I tell people to do 5k changes for no reason?

I don't drive on the interstate so I have no idea who you are referring to
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Old Sep 10, 2024 | 05:48 PM
  #126  
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Originally Posted by LH1
I watched this one last night. Interesting that cylinder 7 is almost always the problem, sometimes cyl 5.

I don't remember the IS F ever having head gasket issues and some of those have high miles. I don't spend any time on the RC F board to see if anyone is having issues.

Oil changes for me are 5k or less and coolant will be done earlier than recommended. I just crossed 7k miles in my 500. It's going to take me a long time to reach 200k.
242K miles on 2006 IS250 and I never changed my coolant. Oil every 10. Engine runs perfectly
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Old Sep 10, 2024 | 05:48 PM
  #127  
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I had a GS460 which retarded its own timing because I thinks there is engine knocking where there isn’t. Causing loss of power at random time. The additional knock sensor listened to acoustics - which were flawed.
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Old Sep 10, 2024 | 05:51 PM
  #128  
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Originally Posted by dmk720
242K miles on 2006 IS250 and I never changed my coolant. Oil every 10. Engine runs perfectly
The cooling system is corroded for sure though.
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Old Sep 10, 2024 | 06:04 PM
  #129  
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Originally Posted by SW17LS
Unless the million mile Tundra has the engine Amd is talking about in this video that doesn’t mean much.
Same

Originally Posted by Striker223
It has a UZ 4.7 I think....or the 4.6 UR with much thicker bore to bore walls than the 5.7, not too sure actually since it's been a while since I looked into that famous truck.

Meanwhile in domestic truck world 1000000+ miles is so common it doesn't get attention like that, but then again the domestics actually offer heavy duty trucks and sell to fleets.
Never seen a domestic go 1M without a rebuild and especially same trans. Oh yeah there have been 2-3 more 1M miles Tundras including 5.7 on the original engine.

Originally Posted by dmk720
242K miles on 2006 IS250 and I never changed my coolant. Oil every 10. Engine runs perfectly
Same me either. Also 10k
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Old Sep 10, 2024 | 08:06 PM
  #130  
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Originally Posted by BayeauxLex
Same



Never seen a domestic go 1M without a rebuild and especially same trans. Oh yeah there have been 2-3 more 1M miles Tundras including 5.7 on the original engine.



Same me either. Also 10k
Might want to expand your horizons and look into it more, there are legions of them. No articles get written because it's not news
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Old Sep 11, 2024 | 07:34 AM
  #131  
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Originally Posted by BayeauxLex
Same
It isn't the same engine, it has a UZ V8 the video is about the UR V8.
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Old Sep 11, 2024 | 07:44 AM
  #132  
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Originally Posted by SW17LS
It isn't the same engine, it has a UZ V8 the video is about the UR V8.
I think there are multiple 5.7 million miles tundras
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Old Sep 11, 2024 | 09:06 AM
  #133  
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Originally Posted by Toys4RJill
I think there are multiple 5.7 million miles tundras
https://www.universitydodge.com/cumm...ion-mile-club/

Here's 90 just from dodge. Some of them have over 3 million......and this is common for domestics. It's not news
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Old Sep 11, 2024 | 10:01 AM
  #134  
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Originally Posted by Toys4RJill
I think there are multiple 5.7 million miles tundras
This is not a common thing, its so uncommon actually that the guy who had "THE Million Mile Tundra" we are talking about got a new Tundra for free from Toyota.


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Old Sep 11, 2024 | 10:21 AM
  #135  
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Originally Posted by SW17LS
This is not a common thing, its so uncommon actually that the guy who had "THE Million Mile Tundra" we are talking about got a new Tundra for free from Toyota.

I sometimes wonder if they didn't rust so badly if they would last longer.....the main issue I have with tundras is they become rust buckets in record time. That and parts costs are insane
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