Lexus LS430 transmission overhaul after skipping issue from a complete stop on Lexus LS430

Submitted by vpmitchell · Jun 23, 2025
Published by RepairPal

Problem overview

Some Lexus LS430 owners report experiencing transmission issues, particularly after skipping from a complete stop, which may necessitate a transmission overhaul to resolve effectively. These owners have found that performing a transmission fluid flush can alleviate problems related to skipping or slipping transmissions. Additionally, they note that following the vehicle manual's recommendations for changing the transmission fluid and filter, especially after towing or at specific mileage intervals, is crucial. Some have referred to service repair manuals for detailed instructions on repairing the engine and automatic transmission. For those facing persistent issues, seeking professional assistance from a mechanic experienced with Lexus vehicles is often advised. In cases where basic maintenance does not resolve the problem, a complete transmission overhaul may be required, involving disassembly, refurbishment, and reassembly of the transmission to ensure proper function.

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Lexus LS430 vehicles with this problem

1 model year affected
Average mileage: 140,000 miles
(140,000 - 140,000)

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