Major gearbox problems

[Wyn]

Yesterday I was driving along, and all of a sudden my gearbox starts rattling/vibrating quite badly. It's not a violent shake, but it sounds and feels absolutely horrible. It has a sound similar to if you let off the clutch a little early and you grind the gears a little, but not as violent, but it's a constant noise. It's really only noticeable over 30mph.... below that it's not all that noticeable.

[632 Regal]

inspection time, hopefully its only the guibo or something like that. anytime you get that its from slop in the driveline, could even possibly be the cv joints.

[Tiger]

Change your fluid to Redline if no major damage visibly seen

[Derek A.]

guibo ???

[BillionPa]

guibo = flex disk on driveshaft.

[genphreak]

Yesterday I was driving along, and all of a sudden my gearbox starts rattling/vibrating quite badly. It's not a violent shake, but it sounds and feels absolutely horrible. It has a sound similar to if you let off the clutch a little early and you grind the gears a little, but not as violent, but it's a constant noise. It's really only noticeable over 30mph.... below that it's not all that noticeable.

Hopefully guibo or centre bearing.... clutch even... ? Good luck! To visually check you have to pull the exhaust and the drive shaft. Any noise transferring from the middle of the car? That would mean less trouble...