I just had this problem today. After flooring it to pass a car, the transmission would not shift back into a higher gear. Then I had problems getting out of first and second all the way home. Engine was running at about 4500 RPMs and it was still reluctant to shift. I had a hunch it had something to do with the kick down switch because it happened just after I floored it.

So, I just pulled the kick down switch and found it stuck in the down position. It is very tight to move it out of that position. I sprayed some silicone in it but it still does not return to the up position without me pulling on it. Is there some way to take it apart without breaking it, so I can clean and lubricate it? I am wondering if there is a rusty spring inside. I am guessing it has not been engaged for quite some time.

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