Thread: 4T65E Hard Shift-Solution

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  1. #1 Re: 4T65E Hard Shift-Solution 
    SE Level Member harrydunn's Avatar
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    Quote Originally Posted by frugal View Post
    Hard shift update Finally!
    ...I finally installed the kit and have no more Hard-shift. It does shudder shift 1-2 when hot, but this is usually when the hard shifting would start...
    Bummer. I was onboard with this until you stated the 1-2 shudder is still there. I've got the typical 15-25 mph 1-2 shudder and the nice "whine" sound. If I go ahead and step on it a bit, shifts great.

    Oh heck, maybe I'll just try it. If it got rid of the whine, that would be a small victory I suppose.

    Your thoughts?
    Last edited by harrydunn; 04-27-2010 at 07:55 AM.
    2001 Fire Red Metallic GTP, 60K miles
    1993 Toyota Land Cruiser FZJ80
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  2. #2 Re: 4T65E Hard Shift-Solution 
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    Its worth a try, the shift kit is just some plastic dowels, you could easily just make one, take apart the accumulators and place the dowels on the rods,( it just limits accumulator piston travel) I could scan and email instructions as to where the dowels go. i personally couldn't believe i paid money for some small plastic dowels , but it worked for me. i find that the tranny only shudder shifts when hot in stop and go driving, i have a tranny cooler albeit a small one, I want to get my fans to turn on sooner but discovered that this is controlled by the PCM. I could wire in something but that's a lot of hassle. Could get the PCM retuned to turn on fans at a lower temp. (overkill Motorsports) Maybe i'll install one of those tranny coolers with a fan from B&M. the real fix is a rebuilt trans from a specialist like triple edge performance,
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  3. #3 Re: 4T65E Hard Shift-Solution 
    SE Level Member harrydunn's Avatar
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    Mine only shudders around town when hot so it doesn't sound like I would benefit much. My former 2000 Bonneville and now 2001 Grand Prix have both been very disappointing with regards to their transmissions. I love the engines however. Roll with the punches I suppose.
    2001 Fire Red Metallic GTP, 60K miles
    1993 Toyota Land Cruiser FZJ80
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