LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

Tranny Issues

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Old 10-12-15, 02:26 PM
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04LS
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Default Tranny Issues

Hey Guys,

I have an 04LS with 140k on it. I have done a couple drain and fills but I'm due for another. Last week the tranny started downshifting prematurely, 2nd to early and 1st before coming to a stop causing the car to jerk to a stop. Any suggestions on a DIY fix? Could it be a sensor going bad? No indicators on so not sure what this could be.

Thanks,
Wes
Old 10-12-15, 03:24 PM
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Lavrishevo
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Hard low speed downshifting is usually a sign of being low on fluid. Did you do it yourself or have it done for you?

Also, I think the proper term is transmission. Tranny refers to Bruce Jenner and that whole disgusting world.

Last edited by Lavrishevo; 10-13-15 at 05:54 AM.
Old 10-12-15, 09:29 PM
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04LS
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lol... I have had the transmission drain and fill done at the Lexus dealership.
Old 10-13-15, 05:29 AM
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ancdmd
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Yep make sure the fluid is topped up and in good condition
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Old 10-13-15, 07:07 AM
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04LS
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I have some WS fluid so I will drain and fill this weekend and see if that helps.
Old 10-13-15, 08:24 AM
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rkw77080
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These instructions may be helpful...
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File Type: pdf
ATF Adjustment.pdf (76.6 KB, 615 views)
Old 10-13-15, 08:28 AM
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04LS
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Thanks, this is great!
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