I have a 2004 Heritage V6, 4.2L F-150. 153,000 mi. I lost reverse and will not shift out first gear. Replaced with Savage yard 03 Transmission. Now I have reverse, still won't shift out of first gear and now the speedometer will not work. Changed speed sensor on transmission, NO work. Changed...

I have an 04 F-150 Heritage that did something similar. I changed out my front and rear U-joints on the drive shaft and it worked. They cost $10 at autozone for my truck. Ford dealer wanted over $800.