unclehoser
Old dog, new tricks
Crazy problem. My 2002 F250 Powerstroke with ZF6 tranny is experiencing a "vibration" or "rumble" at low RPMs. Seems to be most noticeable between 1000-1500 RPM, and is directly associated with RPM, as opposed to speed. Also seems to be worse when not under load, such as after a downshift or letting off the throttle.
This problem has disappeared and reappeared twice, for no apparent reason. My original thought was possibly a carrier bearing or u-joint failure, but that would seem to change the "frequency" of the rumble with speed, rather than RPM.
When clutch is disengaged or tranny is in neutral and free-wheeling, everything's smooth as it should be. I'm thinking it's some kind of clutch issue...any thoughts???
Thanks in advance-
Dave
This problem has disappeared and reappeared twice, for no apparent reason. My original thought was possibly a carrier bearing or u-joint failure, but that would seem to change the "frequency" of the rumble with speed, rather than RPM.
When clutch is disengaged or tranny is in neutral and free-wheeling, everything's smooth as it should be. I'm thinking it's some kind of clutch issue...any thoughts???
Thanks in advance-
Dave