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Re: When going 48 miles the car slips in overdrive and i...
There is an issue with your torque converter lock up function. It should unlock when you release the throttle, or accelerate (push the pedal beyond a given point.)
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have you told any of the tranny places of problem when they were replacing or working on vehicle ---has the tcm been tested ---and scan for any trouble codes
this can take sometimes awhile here are some tricks
drive car 48-52 mph for about 10 miles pull over and idle
for 5 minutes and drive again keep fuel level between 1/4
and 1/2 as best as possible and do not warm up car too
long in the Am just a minute or 2 then drive gently good luck
My 2000 ford expedition XLT 4.2 L V8 overdrive lite is flashing as well took it in they said I need a new transmission so I are they can't put in a new overdrive thing my trucks rpm go high ones I'm over 45 it starts flashing and rpm go up but no power almost like it puts itself in neutral anyway I have to put in in drive 2 then switch back to drive to have power again as long as I stay under 42 miles an hour it drives fine over that speed overdrive light flashes and rpm are wakey lol I don't know anyone have a idea I don't want to put in a new transmission please help it's the only car my family has thank you
Sounds like it's on it's way out. You will soon need to repair or replace it. Automatic transmissions start at @$2000 & up these days, mostly up. If you're at all handy - they are not that difficult to replace with one from a recycling yard like Pick & Pull... if you can safely get under the car. RWD R&R is a bit easier than FWD R&R. 4WD gets a little complicated - but still doable...if you're handy with tools around cars.
Either the cruise control is going out or the torque converter clutch circuit is going out on the trannys overdrive. Do you have check engine light codes? If so you will need to have a computer hooked up to read them. Darrel coleman also has a problem with his car like this and I have suggested the same thing to him
Does it do this just in overdrive or drive too? Sounds to me like trans. is on its way out. have you thought about trying a trans. additive might help, your only out the price of the additive.
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.
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