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gearbox question
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Author:  bugged [ Fri Jan 15, 2010 5:50 pm ]
Post subject:  gearbox question

Hey guys

Just pulled out the gearbox, and found the spiggot brg screwed. I had a look at the gearbox shaft and it has a smooth diameter section then a reduced diameter section just before the splines. Is this wear from the spiggot brg or just how its made

Author:  v.w.dave [ Fri Jan 15, 2010 5:56 pm ]
Post subject:  Re: gearbox question

What gearbox what car???

Picture mabey???

Author:  Damo [ Fri Jan 15, 2010 6:07 pm ]
Post subject:  Re: gearbox question

bugged wrote:
Hey guys

Just pulled out the gearbox, and found the spiggot brg screwed. I had a look at the gearbox shaft and it has a smooth diameter section then a reduced diameter section just before the splines. Is this wear from the spiggot brg or just how its made


What you describe sounds normal to me. The end of the input shaft should transition to a smaller diameter than the rest of the shaft. That smaller diameter section fits in the spigot bearing.

Author:  bron5on [ Fri Jan 15, 2010 6:53 pm ]
Post subject:  Re: gearbox question

bugged wrote:
Hey guys

Just pulled out the gearbox, and found the spiggot brg screwed. I had a look at the gearbox shaft and it has a smooth diameter section then a reduced diameter section just before the splines. Is this wear from the spiggot brg or just how its made


Noticed my sierra box looks similar when I had it out last week. I reckon its a little worn where the narrow end of the shaft inserts into the spigot bearing. Thinking i might need to replace the input shaft some time in the future.

Author:  royce [ Fri Jan 15, 2010 6:58 pm ]
Post subject:  Re: gearbox question

sounds worn by whay you describe

mines got dirty great grooves in it, worst can happen is it buggers the input on the box, which is what you have to replace to fix it anyway so mine will stay like that :)

Author:  BlueSuzy [ Fri Jan 15, 2010 10:15 pm ]
Post subject:  Re: gearbox question

My sierra box had a worn shaft for the little spigot bearing. I used a double row bearing the same size, But double row is wider, so more contact patch on shaft.

Works a treat but you can't get the flywheel bolts undone! ( i have a special "dyna bolt" tool to pull it out) :lol:

Author:  want33s [ Sat Jan 16, 2010 12:02 am ]
Post subject:  Re: gearbox question

Should look like this....
Image

Author:  steak_knife [ Sat Jan 16, 2010 1:47 am ]
Post subject:  Re: gearbox question

want33s wrote:
Should look like this....
Image


Why do you have an input shaft next to your computer?? :? 8O

If you have access to a lath, you can make up a brass bush instead of a bearing....

Author:  bugged [ Sat Jan 16, 2010 2:00 am ]
Post subject:  Re: gearbox question

Thanks again want 33s

yeah mine is fcuked.

Choices. Do it now or leave til when ever????

whats a shaft worth?

Author:  want33s [ Sat Jan 16, 2010 3:09 am ]
Post subject:  Re: gearbox question

steknig wrote:
Why do you have an input shaft next to your computer?? :? 8O

Isn't everyones computer powered by a G13? :?: :?:


bugged wrote:
Do it now or leave til when ever????

whats a shaft worth?

No worries.

There are two ways to deal with this...
1, Strip the box, replace the input shaft and carry on. (Est cost $250 for shaft and bearing kit with seals... IF you can get a good shaft by itself.)
2, Drive it till it dies and replace whole gearbox. (Est cost $100-$200 for replacement 2nd hand box)

Author:  bugged [ Sun Jan 17, 2010 1:52 am ]
Post subject:  Re: gearbox question

Went for option 3 and used metalset - cost free. Well till it all goes bang sometime down the track.

Thats one fix now on to the rest

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