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05gh
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Joined: September 01, 2011
Posts: 157
Location: The Netherlands
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 Posted: Mon Feb 22, 2016 2:31 pm Post subject: funny noise transaxel afther repair 4th gear |
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I have repleaced the synchronmesh and the slider on 3-4 gear.
And now it stays in 4th gear  but only in the 4th the tranny makes a funny noise.
Is this due to new parts or is this an assembly error??
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79 de luxe micro bus
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Last edited by 05gh on Mon Feb 22, 2016 3:29 pm; edited 2 times in total |
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Erik G
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Joined: October 16, 2002
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Location: Tejas!
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05gh
Samba Member
Joined: September 01, 2011
Posts: 157
Location: The Netherlands
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| Posted: Mon Feb 22, 2016 3:20 pm Post subject: Re: funny noise transaxel |
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Link
at 0:36 sec hear the difference when I switch it in 4th gear and at 0:44 back to neutral.
In 1st, 2nd and 3th is does not make that funny noise.
The axel and rgb are not connected.
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79 de luxe micro bus
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ToolBox
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Joined: January 27, 2004
Posts: 3439
Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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| Posted: Tue Feb 23, 2016 10:55 am Post subject: Re: funny noise transaxel afther repair 4th gear |
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Humor me...
So you are running this out of the Bus with the engine? Is it full of gear oil? And there are no axles or side gears installed? |
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05gh
Samba Member
Joined: September 01, 2011
Posts: 157
Location: The Netherlands
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| Posted: Tue Feb 23, 2016 12:30 pm Post subject: Re: funny noise transaxel afther repair 4th gear |
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yes, yes, no.
indeed I'm running the transaxel outside the bus en half full with gear oil and no axel.
this is a quick and durty trick to test the new 3-4 gearslider and setting of the shift fork.
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79 de luxe micro bus
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mr. lang
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Joined: June 05, 2012
Posts: 308
Location: Germany
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| Posted: Wed Feb 24, 2016 5:50 am Post subject: Re: funny noise transaxel afther repair 4th gear |
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A rubber bung with the dimensions 73mm x 63mm x 50mm will exactly fit into the axle hole (of a swing axle transmission) and will keep the oil inside the transmission.
something like this: http://www.sim-products.com/dl.php?nr=9303016
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gears
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Joined: October 28, 2002
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Location: Tamarack, Bend, Kailua
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| Posted: Wed Feb 24, 2016 8:56 am Post subject: Re: funny noise transaxel afther repair 4th gear |
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Did you end up using the new 4mm fork and the new 5mm operating sleeve (as the photos showed) together? Or did you use different part(s) for proper parts compatibility ?
At any rate, IT IS A COMPLETE CRAPSHOOT SETTING THE FORK ACCURATELY WITHOUT A JIG.
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05gh
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Joined: September 01, 2011
Posts: 157
Location: The Netherlands
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| Posted: Wed Feb 24, 2016 12:27 pm Post subject: Re: funny noise transaxel afther repair 4th gear |
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| gears wrote: |
| Did you end up using the new 4mm fork and the new 5mm operating sleeve (as the photos showed) together? Or did you use different part(s) for proper parts compatibility ? |
I'm still waiting for the parts, as discribed.
(The 3-4 gear shiftarm and driveshaft is bolted on the backside of the tranny, I gues the JIG has no influence on this setting)
In the meanwhile I have purchased an identical tranny out of a bug.
The idea was to flip over the differential, and put it in the bus (small nut RGB)
But the gear ratio is 4.3xx and the bus has 4.1xx
So I used parts out of this bug tranny, there look identical.
(thanks mr. Lang voor the tip)
Question; wat should be the clearance of the pinon en drive shaft?
0,25 mm (0,009 inch) the outerrace of the bearing is above the surface
1,2 mm (0,047inch) clearance between surface and spacer
old and (new) slider
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79 de luxe micro bus
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BarryL 
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| Posted: Thu Feb 25, 2016 9:16 am Post subject: Re: funny noise transaxel afther repair 4th gear |
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| That sounds like a forced harmonic vibration like when a dry shaft chatters inside its bushing or bearing seat. |
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05gh
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Joined: September 01, 2011
Posts: 157
Location: The Netherlands
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| Posted: Thu Feb 25, 2016 12:27 pm Post subject: Re: funny noise transaxel afther repair 4th gear |
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| BarryL wrote: |
| That sounds like a forced harmonic vibration like when a dry shaft chatters inside its bushing or bearing seat. |
Thanks, It is a quick en dirty setup for testing the 4th gear.
I will connect the axels and RGB and fill it up with oil.
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