You guys sure the computer just isn't hitting the rev limiter? That is a
BIG problem with the Hypertechs on late model GMs with tall gearing.
Gene Beaird
98 Flame Red CC R/T
>> Date: Thu, 13 Aug 1998 12:49:19 -0500
>> From: Mighty Quinn <quinn@ionet.net>
>> Subject: DML:Erratic Shifting
>>
>> Ive had a slight problem (maybe 1 in 20 times) with my automatic trans.
>> Every once in a while, usually when over 3000 rpms, i get erratic shifting.
>> Especially between 2nd and 3rd gears. It just seems to go from 2nd to 3rd
>> back to 2nd then to 3rd again. This is all under steady acceleration keepin
>> my foot in one place (even floored.) Its on a 97 dak with the 318. I took
>> it into the dealer since its still under warranty and they said that they
>> couldnt find anything wrong with it i.e. no error codes, fluid levels all
>> fine, and they ran a test drive with it and couldnt duplicate it. (i didnt
>> argue being a customer rep myself) I just wondered if anyone else had
>> experienced anything like this and any suggestions of what it might be.
>
>I've had the same experience, especially when the accelerator is
>floored. The first time it happened I was accelerating onto the expy.
>and it scared the hell out of me. It seems to me that the trans wants to
>shift late--often just as the RPMs are at redline. I don't know if this
>is a design problem or what, but I haven't had it looked at just because
>the truck otherwise shifts normally. (It does keep me from flooring the
>pedal though!) Anyone have any ideas??
>
>Thanks
>Marc.
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