Question about 1995 Buick Century

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1995 buick century transmission trouble

1995 buick century v6,102,000 miles. when at operation temp, transmission comes out of overdrive, can be riding down road, shift into neutral switch car off and coast for a few seconds, crank car shift into drive and will go into overdrive for a few seconds then go out again. I was wondering if it is the speed sensor or a sticking valve in transmission

Thanks for all help

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  • stephanie836 Apr 06, 2009

    i just bought a 1995 buick century and it was fine for the first few says and now it wont drive in overdrive sometimes. put some lucas int he tranny and that helped for a day or so, then changed the tranny fluid and filter and taht also helped for about two days and then it starts doing it again. is my transmission going out or could it be something else?

  • Anonymous Mar 25, 2014

    i had obe of the coil packs go bad, checked and changed it. regained some of my major power loss, but now engine stopped shifting into o.d. and the cruise control stopped working. car rpms fine in r,1,2,3,4


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Most likely causes is the OD shift solenoid or less likely the VSS

Posted on Oct 29, 2008

Hello Builder40,Can you tell me if your gear indicator light goes out when you lose overdrive? and does it come on when the overdrive is working,Please let me know,Thanks.

Posted on Oct 29, 2008

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