OXO

Well-Known Member
Just started noticing this week there a vibration at 60 to 70 mph on neutral or slightly trailing throttle.

Any ideas what it could be? I though drivetrain, but I'd expect that to be worse under load.. .?
 
Just started noticing this week there a vibration at 60 to 70 mph on neutral or slightly trailing throttle.

Any ideas what it could be? I though drivetrain, but I'd expect that to be worse under load.. .?

Look at the prop shaft spicers. Check for any play. Also that the output (transfer box) and input flanges (diffs) are tight with no up down play.
 
Once again, it is demonstrated that Wammers knows everything.

It was the prop shaft front spicer.

Thanks Tony
 
Check the VCU by all means, but it is not always the VCU that causes prop failure. Spicers are capable of failing all on their ownsome without anything else's assistance.
 
Check the VCU by all means, but it is not always the VCU that causes prop failure. Spicers are capable of failing all on their ownsome without anything else's assistance.
Nobody said it was, but seized VCU's are common and drive line wind up is destructive as you well know.
 

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