The car will only creep in forward or reverse but only with the engine reved to 3500 rpm. Checking the fluid seems to be futile since there has been no leaks, and rebuilding is too expensive for my pocket. So is there any other thing I can c heck as far as electrical goes which may be related to the transmission operation. Of course any other things you can think of would be more than welcome. Also forgot to mention that the vehicle will go into third gear in the select shift mode and drive. Thats how I got it home.
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The first thing to check is the fluid level in the transmission. If quite low, look for red leakage on the floor where you park. Suggest you find a quality auto transmission shop to check this out before you require very expensive service. Good luck!
Automatic Transmission,4T45-E......AF6 Automatic Transmission,4T40-E......AF6 Use Low Viscosity ATF, Hight Viscosity ATF or additives create fluid retention which cause the servos, solenoids to seize up causing shifting problems.
Run the car from the top of a hill and let it coast at your whining speed. Put it in Neutral, does the whine disappear?
If not its in the drivetrain (wheels, driveshafts, tranny)
Very unlikely to be the timing belt. If it appears at a fixed speed then its drivetrain, if it whines at fixed revs its the engine.
Most likey the transmission I fear....Tires will also make loud whining noise too though...
It is located on the transmission pan. Their is a "fluid level check screw" that you will need to take out. You aren't going to be able to just dump a quart of fluid in and be good though. These transmissions are designed under normal driving conditions to never have to be serviced and that includes the fluid. But if your like me, you like to hot rod it once in a while. Then you should change your fluid every 45,000 miles or so. The drain plug is at the very bottom of the pan. You are gonna need a little over 11.5 quarts of Mercon(R) V Transmission fluid for the 3.0 as well as the 3.9 liter. The amount of fluid needed for the transmission is the same regardless of the engine you have.
Hope this post will help someone in the future. Also their is no dipstick to check the fluid level. You have to take the screw/bolt out on the side of the Tranny Pan.