GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

New Transmission after 500 miles

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Old 05-03-06 | 08:45 PM
  #16  
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Originally Posted by scottmyers
OK, its been 1,500 miles on the new transmission with no issues... until yesterday.

On the way home from work I started to notice that when shifting from 1st to 2nd and 2nd to 3rd, it seems to slam into each gear with a big jolt. I tried accelerating very slowly but it did the same thing. I pulled over and shut the car off for a few minutes. When I started the car and drove off it was working normally again. I though that maybe it was just a computer glitch until I went to work this morning and experienced it all over again.

Anyone else ever experience this symptom?

Needless to say its back at the dealer. We will see. I have pretty much had it with this car.
That sucks man. Sorry to hear that you're going through this.

I'm at about 1600 miles and no problems. Did notice some "indecisive" shifting when in stop and go traffic, but haven't noticed it much after about 800 miles. Just figured that the car is learning my driving habits. Other have also noted what I described on their cars and their loaner GS300's.

When Lexus removed the old tranny, did they provide any futher feedback? Would be interesting to see if something else is causing this and it just results in transmission problems.

Good luck finding a resolution.
Old 05-04-06 | 03:55 AM
  #17  
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Since they just shipped the first tranny off to the Lexus engineers, I've heard nothing. Apparently the dealer service techs do not work on transmissions. They just replace them.

I will see what the dealer says in a day or so.
Old 05-04-06 | 06:08 AM
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Our '06 GS300 has a similar issue. Our's seems to be around 3rd or 4th gear. When it shifts gears it feels as if someone has tapped the rear bumper. Dealer said they couldn't duplicate. They reset the computer, but it still does it.
Old 05-05-06 | 03:56 AM
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I talked to the dealer and they are able to reproduce the issue. They are sending the captured computer data back to Lexus. I guess they are not sure what to do about it. As costanza posted, resetting the computer doesn't fix the issue, so it will be interesting to see what they end up doing.
Old 05-05-06 | 06:04 PM
  #20  
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drck said:
I've got a little over 600 miles now and I do notice a slight hesitation (the only way I can think to describe it) shifting between 1st and 2nd when in stop and go traffic. It usually occurs when just trying to slowly move forward with traffic at less than 5mph.
I have the same issue. I talked to my service guy, and he said it's the computer not being able to decide what to shift to, because the speed is so slow, and kinda in between gears so to speak.

Old 05-05-06 | 09:36 PM
  #21  
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Originally Posted by PoppFlyy
I have the same issue. I talked to my service guy, and he said it's the computer not being able to decide what to shift to, because the speed is so slow, and kinda in between gears so to speak.

Yeah. I figured that's what it was doing. I played around with shifting "manually" and it seems to want to shift out first gear (rpms get much higher to increase speed) before getting to about 5-8 mph. So I figured that it would want to shift from 1st to 2nd below 5 mph. Then when you release the gas, it shifts down quickly. But I don't really notice it too much now.
Old 05-06-06 | 10:57 AM
  #22  
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My issue seems to happen at random times. It definitely surprises you when it happens.
It feels very abnormal.
Old 05-09-06 | 02:27 AM
  #23  
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Well, just got word from the dealer. A new transmission is on the way. This is the 2nd one in less than 2000 miles.

So much for reliability from a Lexus.
Old 05-09-06 | 09:50 AM
  #24  
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Originally Posted by scottmyers
Well, just got word from the dealer. A new transmission is on the way. This is the 2nd one in less than 2000 miles.

So much for reliability from a Lexus.
My GS has been pretty reliable

Just kidding, hope everything works out for you.
Old 05-09-06 | 08:40 PM
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Originally Posted by scottmyers
Well, just got word from the dealer. A new transmission is on the way. This is the 2nd one in less than 2000 miles.

So much for reliability from a Lexus.


At what point can you pursue the lemon law?
Old 05-10-06 | 05:15 PM
  #26  
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I belive the car has to be in the shop, for the same problem, at least three times.
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