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Old 12-16-2013, 12:55 AM   #1
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Default 4t65e no response on start up

My 2004 Grand Prix has started acting up lately. When I start it for the first time each day and put it into drive or reverse nothing happens for 1-3 minutes. Then when the transmission does engage it seems fine the rest of the day.
I have changed the fluid and filter but no change in the transmission response. Any ideas what can cause this. Is it the Pressure control or more. I would like to have supplies on hand before taking it apart.
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Old 12-16-2013, 03:22 PM   #2
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I'm sure your input piston seal is leaking until the transmission warms up. Pretty common problem with the 4T65E transmission. I had to replace the seal on my dads buick for the same issue. Unfortunately you need to tear down most of the transmission to replace the seal.
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Old 12-18-2013, 03:48 PM   #3
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Thanks for the information. I will tear into it this weekend.
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Old 12-18-2013, 05:32 PM   #4
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Good luck! They guy in the YouTube videos repairs the transmission in the car by lowering the cradle quite a bit on the drivers side. I decided to fully remove the transmission when I repaired my fathers car.
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Old 12-21-2013, 10:12 PM   #5
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I found the issue to be exactly as described above. I do have one question although. The oil has in my opinion has too much silver (metallic looking). Would the clutches cause that much silver? I have not found anything else that seems to wearing.
Thanks,
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Old 12-21-2013, 10:39 PM   #6
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Could be, it also could be some of the final drive hard parts. I would consider tearing the rest of the way down and to a rebuild. You don't want that metal to start effecting things like the TCC.
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