IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Replace or try to fix transmission

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Old 10-26-15, 08:47 AM
  #31  
MWIS350
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Originally Posted by skullkandy
So I changed my trans oil a couple of weekends ago and man, it looked soOo black and burnt out. There was not a hint of red in there at all! So far the shifts are a bit smoother, no clutch smells, no slipping, no codes, but then again I havnt got the codes for like...6 months prior to the change anyway. =\

Definitely going to change the oil a couple of more times in hopes of flushing everything out.
Did you change the transmission oil at dealer? I took my to Lexus dealer but they say don't need ,they just calibrate tranmission ECU and my car seem to shift better. But I still want to flush it next time.


Old 10-26-15, 05:26 PM
  #32  
skullkandy
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I changed it myself but an ecu calibration update does sound like a better step to take.

I wonder why we didn't hear about this update sooner, would've definitely tried that first.
Old 10-26-15, 08:50 PM
  #33  
MWIS350
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Originally Posted by skullkandy
I changed it myself but an ecu calibration update does sound like a better step to take.

I wonder why we didn't hear about this update sooner, would've definitely tried that first.
I didn't know about it until I bring it to dealer and told them I got transmission code P0761 and one awhile it stuck on 3rd and won't shift. They only charge $65 for diagnose. Now there's no delay when shift.
10 mph it go to 2nd gear.
20 mph it go to 3rd.
30 mph 4th gear.
40 mph 5th then 6 gear at 50 mph.

Last edited by MWIS350; 10-26-15 at 08:53 PM.
Old 10-26-15, 08:54 PM
  #34  
MWIS350
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I still want to get my transmission flush ans change next time. I think it will help. If you have check engine light just bring to dealer and see what they recommend.
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