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Tranny problem!!!

N

Newfie83

New member
I have a 2003 Pontiac Grand Prix SE!!! When driving the car for a lil bit it starts to hard shift thorough each gear!! all giving a jerk to the car!! like a bucking!!! If you shut the car off for 10 mins!! and then go for a drive it runs and shifts like a dream for another 20-25 mins!!! Fluids not burnt! Tripped 2 engine codes!!! saying the torque convertor was stuck on and that it was Adapting for long shifts!!!! This just started last week!!! Ive heard that that the valves and solenoids sometimes get really dirty!! Any IdeaS????????
 


Sounds like the same issue as my car but mine only acts up after alot of driving. From reading the info on triple edge performance page I believe the issue to be the epc solenoid which controls the line pressure. You have to remove the side cover on the trans to get to it. I will be doing mine soon, when I get some free time cause I hear the side cover is hard to access.
 
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