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rustyclutch

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Driveline scolding hot after a 20 minute run
« on: July 24, 2017, 09:29:22 AM »
Wanting to know if a driveline could or should reach the 180 degree range? I do have a severe pump noise at idle even after a rebuild. The u joints are new, a little play from shaft to yoke .
The driveline is lined up left to right, but the angle is minimal, maybe 1 to 2 degrees.



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GT Jets

  • Karma: +192/-0
Re: Driveline scolding hot after a 20 minute run
« Reply #1 on: July 24, 2017, 11:01:21 PM »
Wanting to know if a driveline could or should reach the 180 degree range? I do have a severe pump noise at idle even after a rebuild. The u joints are new, a little play from shaft to yoke .
The driveline is lined up left to right, but the angle is minimal, maybe 1 to 2 degrees.



Sent from my iPhone using SoCal Jet Boats mobile app

There are literally hundreds of threads on this subject, but the drive splines should have minimal "slop".

Your alignment seems quite off if you can "see" the offset.

It's imperative that the angular misalignment between the yokes cancels each other out. Meaning if you see 1/2° on the engine side, it should cancel the other way 1/2° to end up with zero misalignment.

The drive line should run warm to the touch... But not hot.

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

 


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