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Re: AT 45 MPH MY AUTOMATIC TRANSMISSIONS SEEMS TO SLIP,...
If it's got more than 80 thou on it join the thousands of others with this same truck at the tranny shop listening to their $200 price and think if you can sell it off before it goes plumb out
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If the transmission is full of fluid, then the lock up solenoid is bad or the filter needs to be replaced & have the bands adjusted, or the speed sensor isnt calibrated due to over size tires
My 95 Cummins Dodge had the same problem and adding "Lucas Transmissiion Fix" cured it completely and permanently.
Thier claim is as follows:
Lucas Transmission Fix is a non-solvent formulas that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Use in any transmission for preventative maintenance.Use also in light duty manual transmissions to increase shifting ease and transmission life.
Key Benefits
Contains no solvents
Lowers operating temperatures and stops foaming
Can be added to existing fluid without draining any out
Effective in an extremely high percentage of cases
I had the same code on my 2001 dodge 2500. The truck wouldn't shift from 3-4. I pulled the trans pan off and replaced a broken spring ($2.00). It is behind a thin plate with 3-4 small torq screws. You don't have to remove the valvebody. Only took me 45 minutes to fix.
I would like to give thanks to Jeff Russel from Teal automotive. He said this is a very common problem. He sells any part for any automatic Transmision and his prices are very affordable.
Here is a link to the website. http://www.tealautomotiveinc.com/
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