Question about 1996 Ford Thunderbird LX

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1996 TBird 4.6 auto/overdrive trans problem

When shifting from 1st to second engine reves up before shifting to second. overdrive light blinks all the time when driving. sometimes only does this for the first shift & then shifts normal for 10 or so miles. overdrive light still blinking. trans fluid pink & full. have always done regulalor servives. tranny shop pulled trans pan & very clean inside, also replaced both in & output speed sensors. code still says speed senor is problem. also overdrive shifts fine. car has only 103,000 miles. have owned car since 22,000. could it be in the electronics somewhere. if driven long enough engine check light will also come on. HELP. THANKS

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  • 6 more comments 
  • DIMART Aug 22, 2008

    the trans fluild is suppose to be pink in color? right. thanks

  • Anonymous Mar 13, 2014

    Of overdrive dash light blinks continuously hard shifting in all gears will not shift into overdrive

  • Anonymous Mar 16, 2014

    after long drives the overdrive lightr starts flashing and code p1728 puts truck in limp mode. trans has been serviced regularly and it only has 130,000 miles. ive reset the code by disconnecting battery but light came back on.

  • Anonymous Mar 23, 2014

    I have engine and trans lights on ,feels like it shifts gears fine .but I was told transmission needs to be replaced

  • Anonymous Mar 24, 2014

    the over drive light is flashing and i have to play with the trottle to get it to shift sometimes

  • Anonymous Mar 26, 2014

    I lost tran fluid and had to drive 25 miles home to repair shop. found leak at fractured hose clamp on external cooler. leak repaired and tran refilled. now have slight but noticible slip on 2-3 upshift at light to moderate acceleration. Will a flush and refill help to prevent further deterioration of tran or is it toast?Don

  • Anonymous Mar 27, 2014

    since purchasing 1995 4runner I noticed it lack of power.when I am on interstate,going up hill. I CAN NOT accelerate and always accelerate to lower speed. city driving is OK. unless going up a steep hill and also tranny wants to down shift as I'm loosing power.even with down shift,I can't seem to accelerate.beside this loss of power it run and start fine.no smoke and cat has been check for clog.I would say that trans might slip or engine compression might not in the range. I had replaced the trans and the engine,but the issue still the same problem.I need help to solve this problem and I'm so thanks full who can solve this

  • Anonymous Mar 27, 2014

    when driving the car will give a slight **** once every couple miles or so. doesn't happen at the same time as when it is shifting. like the engine misses for a second. no warning lights are on.

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Your transmission fluid contain water,thats why the colour of the fluid changed to pink.And of such the clutch is slipping causing the engine to reve up before shifting - Check transmission cooler.

Posted on Aug 21, 2008

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