1993 Lexus LS 400


Bink Wilson

June, 22, 2008 AT 6:50 AM

Transmission problem
1993 Lexus LS 400 V8 Two Wheel Drive Automatic 143000 miles

About six months ago, the tranny started acting up. It would slip upon start up, then settle down. A couple months later, it would work fine on start-up (COLD) then start slipping after car had been driven 7-10 miles. Have changed fluid and filter twice since problem developed. Ordinarily I would say O-rings would be to blame, but here's the quirky short term remedy - when I shut the engne off at a stop light, all works llike the vehicle was new. This lasts for several miles, until I stop again. Then the slipping starts up again. Shut it off and it goes away. Could the problem be a modulator or regulator, as the vehicle searches for a gear shift point? Short of replacing the tranny or rebuilding it, I'm at a loss. Hope you can help.

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