LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

LS400 vs. LS430 reliabiity?

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Old 08-24-16, 07:05 AM
  #31  
Stroock639
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i'm sure you can't go wrong with a 430 but my years of having my car have made me very partial to the 400. i love the low, sleek profile of it whereas the 430 is sort of rounded and bubbly which i don't like as much. don't like the interior as much either. all i know is my 1999 LS has been pretty damn rock solid. i've replaced suspension bits here and their, cleaned the throttle body 2-3 times (honestly wasn't even really necessary but i felt like it), replaced the radio LCD twice, and the telescopic steering motor was replaced but everything major (and even minor) still works amazingly. unbelievably incredible car. as someone else once wrote, "i know LS stands for luxury sedan, but from what i'm reading from owners it might as well stand for "Love Story" lolol so true
Old 08-24-16, 02:58 PM
  #32  
peterls
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Originally Posted by Yamae
An LS430 does not use QAS capacitors and there is less possibility of the failing capacitor issue but uses the lead-free solder.
As is written at here, "Many researchers found that thermal fatigue is more in many lead free solder joints compared to that of conventional Tin/Lead (SnPb) solder joints". We have more solder joint problems after the lead-free solder was introduced.
Yikes! Did they stop using lead solder because of some environmental law in Japan or just because it was "fashionable"? Most electronics enthusiasts I know would not even touch the lead-free solder for that reason (not to mention higher melting point). I seem to remember someone saying that NASA is and always was using lead solder for that very reason...
BTW, my next car will be a '99 LS. I don't like the bug-eyed headlights of 430 and its tall stance. The last year or two of 430 have better looking front with nicer headlights, but the price tends to be too close to 4th gen, so I would rather get for 4th gen then.

Last edited by peterls; 08-24-16 at 03:02 PM.
Old 08-24-16, 02:59 PM
  #33  
SW17LS
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Yet you have 10-15 year old LS430s out there with no electrical problems so clearly if they are using a new solder it's fine lol
Old 08-24-16, 06:57 PM
  #34  
sam12345
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Only caused unintended acceleration due to wiskers. No biggie

http://www.safetyresearch.net/blog/a...oss-its-bumper


Last edited by sam12345; 08-24-16 at 07:13 PM.
Old 08-24-16, 07:07 PM
  #35  
SW17LS
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Originally Posted by sam12345
Only caused unintended acceleration due to wiskers. No biggie
First of all the LS430 has never been involved in anything having to do with unintended acceleration, and every independent inquiry found that it was caused by operator error.

Every LS uses a floor hinged accelerator pedal. The issue came with the top hinged accelerator pedal being jammed in improperly placed winter mats. In response Toyota redesigned the pedal and the winter mats, and changed the way they anchor their floormats entirely.

Believe me I know, at that time I had a 2010 ES350 which was involved with the unintended acceleration recall and investigation. No generation of the LS was ever involved.
Old 08-24-16, 07:16 PM
  #36  
sam12345
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My point is tin is a problem. I don't believe they where all driver errors. But keep drinking the koolaid. Toyota has deep pockets and lots of lawyers
Old 08-24-16, 07:19 PM
  #37  
sam12345
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https://www.clublexus.com/forums/ls-...tion-case.html
Old 08-24-16, 07:26 PM
  #38  
SW17LS
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Originally Posted by sam12345
My point is tin is a problem. I don't believe they where all driver errors. But keep drinking the koolaid. Toyota has deep pockets and lots of lawyers
Whatever you believe, no LS430 was involved in any sort of an unintended acceleration issue, so regardless of whether you believe the findings of every independent inquiry or not, this car was never even the subject of the investigation.

The bottom line is this, and I've had the LS400, the LS430 and the LS460. Each have their uniqueness that is different when you move from one successive generation to the next. I have a soft spot for the LS400 because that was my first one, but the 430 is bigger, more comfortable, smoother and quieter. With the UL or CL package they're a big upgrade inside with better leather, leather dash and door panels, etc. Seats far superior in the 430 IMHO.

Styling wise I don't care for the 01-03 430s but I think they fixed that in 04. The 430s have better tech, later ones have keyless entry and start as well as still usable and upgradable nav, Bluetooth phone.

Nothing lasts forever, the 98-00 400s now are 16-18 years old now. A newer well cared for 430 is an upgrade. Plenty of stats out there in terms of reliability, nothing would indicate that the 430 is less reliable than the 400. You can make that case for early 460s vs the 430 and 400, but not the 430.
Old 08-24-16, 07:28 PM
  #39  
SW17LS
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Look up unintended acceleration claims for any model vehicle you will find them. People are stupid. What she says makes no sense. If you have a car WOT and you put your weight on the brakes any car will hold its position, the engine cannot overdrive the brakes. Google that, it was tested many times when all of this happened.

This person made an error.
Old 08-24-16, 07:31 PM
  #40  
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Simple google search for LS400 unintended acceleration provides hits:

http://archive.boston.com/business/a...laint_process/

User error.
Old 08-24-16, 10:01 PM
  #41  
sam12345
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Fact is lead solder is better than tin in terms of quality which was my point and the unintended acceleration is not a closed case. Yes most but not all are driver errors. Some are gold diggers but not all. I have personally seen some of the things tin solder can do and so has NASA which is why they and the military use lead
. buttechnology is adapting Therefore lead free solder is becoming more and more reliable
Old 08-24-16, 10:07 PM
  #42  
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I think you are dramatically overemphasizing the importance of this solder. The LS430s are not a unknown quantity, there is tons of reliability data over millions and millions of miles, where is evidence of any electrical issues that come from the use of this lead free solder? There isn't any.

Its not a spaceship, it's a car. NASA and the military use lots of things that aren't necessary to provide a super reliable car.
Old 08-24-16, 10:14 PM
  #43  
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Enough guys....
Old 08-26-16, 02:30 AM
  #44  
Unclenate7
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Originally Posted by sam12345
This is the Avalon that looks like ls430
yeah those Avalons look awesome to me.
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