Good day,
New to me a 2008 Tiffin Allegro Bay 35TSB, Cummings I6 6.7, 6 Speed transmission with overdrive.
Couple questions?
When driving, the transmission smoothy shifts through the gears till 5th, at 62 mph, it is revving just below 2000 RPM, does not seem to shift into 6th or overdrive...