There is not info to be able to give a definite answer
to work it out
you have top know the diff ratio, wheel tyre circumference to be able to work from rpms of the engine to road speed
However as a pointer, most cars will be around 3200 rpms at 60mph as this will be direct drive and od causes a drop in rpms
Being an automatic find yourself a good section of low traffic road and start from stop slowly increase the rpms and watch the rpms. keeping the accelerator steady you will see when the auto changes by a drop in rpms. slowly increase road sped until you see the next drop in rpms and so on. Over drive normally comes in around 55 mph or around 3000rpms
I would think that it is working because 3500rpms at 75mph is reasonable rpms to be expected. If it wasn't working I would expect the rpms to be around 3800 to 4000.at 75mph
SOURCE: whinning sound tranny?
When does it whine? I would recommend a fluid change along with filter.
SOURCE: tach on my 1995 eldorado is not correct
I have a complete dash for a 95 which should fix it. They are kind of a pain to replace, and the one I have has 91,000 on the odometer.
Dan Lemke
[email protected]
SOURCE: Doesnt sound or feel like my cars shifting AUTO Transmission
Have You Checked Your Transmission Fluid?
Or Even Change It That Always Makes A Work Of Difference.
SOURCE: Auto transmission problem
your bands may need adjusting or the transmission needs to be serviced to find out if it is something more serious
SOURCE: 2000 NISSAN SENTRA , SEEMS TO BE STUCK IN A GEAR
Sounds like a bad overdrive clutch, it's in the torque converter and is not repairable, you have to replace the torque converter, this is somewhat common on high mileage automatics, usualy it sticks locked, when you put it in gear it makes a clang and unlocks, but locks up as you drive and won't unlock when you slow down like it's supposed to
sounds like this one simply will not go into gear at all, either the clutch is worn out (They're vry small snd weak) or possibly a sticking valve body.
this needs to go to the dealership garage, NEVER go to Mr Transmission type places they'll want to overhaul it whatever's wrong, they don't waste time on diagnosis
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