Mechanics

4R70W

1995 Ford F-150 • 188,400 miles

1995 ford f-150 auto 4x4 4r70w started to shift to drive slow3-5 seconds drove 4 miles then had to stop and didn’t go into drive without revving it up. Parked for 15 minuets did the same thing revved it up and slowly engaged. Got home and backed in hard shift to reverse. Then tried drive and nothing. Reverse still works.
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Robertm87
October 12, 2013.



Beyond checking the fluid level, it sounds like an internal failure. The unit would have to be removed and inspected for failure.

You could try replacing the fliter and fluid but I doubt it will help.

Roy

ASEMaster6371
Oct 12, 2013.
Well that’s not any help I know something internal failed. It wont move. What could it be? Fluid is full and smells fine.

Tiny
Robertm87
Oct 12, 2013.