Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 2001 Malibu auto trans surges at 30-60 mph almost as if you were riding the clutch??
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Old 05-16-2011, 07:07 PM
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http://www.hotrodders.com/forum/2001-malibu-auto-trans-surges-30-60-mph-almost-if-198

I decided to replace the transmission fluid myself just recently, at 127,000 miles as I have complained about this problem each time I took it to a so called "reliable " transmission shop for a filter and fluid change.
It turns out that the three previous times they charged me for servicing,nothing was done because I found the original gasket on the pan.
What a buncha Crooks.
The fluid was burnt,but no filings. It was kinda dark and thick,but after changing the fluid with a recommended fluid for high mileage vehicles it is now shifting alot better. I saw the thread about using seafoam trans stuff and I just added 1/2 a bottle. I will let it circulate awhile and then change it again. I think it is pressure solenoid journals are clogging. It is fine when it is cold and then acts up after it gets hot.
I haven't yet tried leaving it in third. I will try that next. It does seem to happen only in third gear with light throttle.
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