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

LS Almost Stalls When Coming to a Stop?

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Old 01-15-14, 09:26 PM
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usoff89
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5 speed swap!!!!!
Old 01-15-14, 09:27 PM
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Sorry, disregard my last post. I don't know what came over me.......
Old 01-16-14, 07:12 AM
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Originally Posted by AtlasLS400
I appreciate the imput. I'm sure that this product has helped people with some of these issues, I considered it, researched it, but I'm not going to use it. AND IM NOT DOING A 5 SPEED! lol. I'm dropping it off this weekend to have this thing diagnosed. I will definitely update the outcome. Again, I appreciate the input. (Except for the 5 speed swap)
that's fine..just letting u know it is an option if removing the tc is not an option for u. it may not even be the tc itself..good luck
Old 01-16-14, 11:38 AM
  #49  
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Originally Posted by LScowboyLS
yeah, and then he tested them, and as I predicted, they were fine
From what I read, he only tested them at cold temperature, which is the same temperature at which the car performs well.
They should be tested at higher temps, otherwise test is unreliable methinks...
Old 01-20-14, 06:17 PM
  #50  
AtlasLS400
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Update. .. had the trans looked over and the guy says that my solenoids are fine. What's going on is the valve itself is getting stuck and he is going to "ream" the valve body. He said that he has fixed this issue many times before with a trans being stuck in lock - up. He also told me that this is what many transmission shops will do and claim that are replacing a valve body. Anyone heard of this or have any experience? It kind of makes sense. And at this point I do not see a less costly alternative. He's quoting $400 and he's 95% sure it's the problem.
Old 01-20-14, 07:09 PM
  #51  
LScowboyLS
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the price sounds reasonable if it works

valve body is, in fact, the most likely culprit at this point

it's just very strange for an Aisin, never even heard of one having a valve body problem, in fact, I did not even realize they made a Sonnax (reamer) for this transmission! (which tells you how often they are needed on A340E)

he may have fixed this issue "many times before" - but not on our Aisin transmissions!

how many miles on your car again?

Last edited by LScowboyLS; 01-21-14 at 06:52 AM.
Old 01-21-14, 04:07 AM
  #52  
AtlasLS400
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^^^^^^^ 207k
Old 06-13-14, 06:34 PM
  #53  
AtlasLS400
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I'm back.... lol I have been dealing with the shudder since. I did a few partial drains and the issue was somewhat contained, only shuddering once and a while

Well, now the transmission is shot and I have another trans being pulled for 300. While I'm swapping them out I plan on doing the rear main seal. My question is, what else should I look to do while I have everything out? Thanks. Please share any links for parts.
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