boomerang
Member
- Messages
- 412
Mentioned a few times here and there, sometimes noticed but not spoken about.
Mine had the ca. 2800 rpm vibration in every gear and after changing the complete clutch with the prediction that after balancing the clutch the complaints would dissapear...................we found out they didn't.
According to some "specialist/dealers" everything was absolutely normal behaviour for a transaxle set up and one of them even said he could not feel/hear what i was talking about.....
And indeed, most of the gransports i have driven, tend to vibrate more or less somewhere in the revband.
Still, knowing vibrations MUST have a cause, i started to investigate.
I demounted the complete torque tube and after dismanteling the tube and thorough investigation of the inner axle, i found out that the inner axle tends to bend!
We checked runout between every set of bearings and between the last bearings at each end and the splined connection links.
Runout was almost 1mm at one point!!
Especally the heavy splined connection cilinder at the gearbox side, will have quite an impact on vibrations if speeded on an axle with runout.
I had every section of the axle carried in v-blocks under a Hydraulic press and after a few hours work and several measurements, the axles is straightened with a max. runout of 0.08 mm.
We are going to mount the torque tube next week and i will keep you guys posted.
Mine had the ca. 2800 rpm vibration in every gear and after changing the complete clutch with the prediction that after balancing the clutch the complaints would dissapear...................we found out they didn't.
According to some "specialist/dealers" everything was absolutely normal behaviour for a transaxle set up and one of them even said he could not feel/hear what i was talking about.....
And indeed, most of the gransports i have driven, tend to vibrate more or less somewhere in the revband.
Still, knowing vibrations MUST have a cause, i started to investigate.
I demounted the complete torque tube and after dismanteling the tube and thorough investigation of the inner axle, i found out that the inner axle tends to bend!
We checked runout between every set of bearings and between the last bearings at each end and the splined connection links.
Runout was almost 1mm at one point!!
Especally the heavy splined connection cilinder at the gearbox side, will have quite an impact on vibrations if speeded on an axle with runout.
I had every section of the axle carried in v-blocks under a Hydraulic press and after a few hours work and several measurements, the axles is straightened with a max. runout of 0.08 mm.
We are going to mount the torque tube next week and i will keep you guys posted.
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