1999 Ford F-250 Super Duty Q&A
1999 Ford F-250 Super Duty Question: 3rd gear shifts hard
Hard shifting can be caused by a few things - internal transmission issues, yes (pressure control solenoid, etc), but also engine load, throttle position, etc. A diagnostic tester will be able to monitor various parameters while driving so that you can see what is out of line. I doubt that broken manifold bolts are related. Except if you had a driveability condition that was related to engine load, etc. - DaveJHM
I just put new injectors in my 2004 f-250 and I had also unplugged the battery for sometime after I had put injectors in. I took it for a drive and when it went to shift to 3rd and 4th gear it wou...