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Old 10-10-09, 09:16 PM   #1
imdlaw23
Driver School Candidate
1995 Lexus SC
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Join Date: Jul 2009
Location: OR
Posts: 5
Default 1jz transmission slipping help

I'm trying to diagnose my transmission issue. I have a 1jz swap with manual set up. When the transmission gets warm, 4th and sometimes 5th gears starts to slip.

No other gears slip accept for these 2 and it only happens when my SC gets warm. Usually takes about 30mins of highway driving before it starts slipping.

I'm going to change the tranny fluid to see if that will fix the issue but I was wondering if anyone else with a 1jz swap has experienced this issue.

I would think if the clutch is going out then 1st, 2nd gear would slip first but this is not the case.

also anybody know the transmission code for a 1jz and how much fluid it takes and what kind of fluid I should use?
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1jz, 1jz-gte, 4th, 5th, 97, gear, gs300, lexus, ls400, manual, slipping, slips, starts, transmission, warmed

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