SBU reverse lever linkage - Page 2 - Mercedes-Benz Forum
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post #11 of 20 (permalink) Old 08-28-2015, 05:14 PM
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Interesting. Must be a recent change. I got a new one last spring of the old style.

C.
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post #12 of 20 (permalink) Old 09-04-2015, 10:49 AM
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hey while you're in the area you could upgrade your main shifter with the "gearshift vibration absorber"...I kid you not!

I spotted it in the EPC looking for something else, thought I'd share. Weird.
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-Trev
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post #13 of 20 (permalink) Old 09-04-2015, 04:06 PM
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That looks interesting, wonder why there would be that much vibration to require that. The gearshift does transmit a lot of noise into the cab, but never seen one vibrating enough to even consider adding a "gearshift vibration absorber", maybe it is to slow down the army guys from trying to shift too fast

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post #14 of 20 (permalink) Old 09-04-2015, 04:44 PM
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Iain, as trivial as it sounds, once you've got everything else nice and quiet the buzzing gearshift becomes an irritation. The reshimming of the back-end of my gearbox made a significant difference to the buzzing. At 90kmph cruizing there is still a buzz that I'd like to eliminate so I'll explore this option.
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post #15 of 20 (permalink) Old 09-04-2015, 04:51 PM
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The that damper for the raised cab trucks, to let it pull on the gearbox lever without overtravelling the shift dog?

C.
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post #16 of 20 (permalink) Old 09-04-2015, 05:12 PM
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Nope, specifically says anti vibration. Are the raised cab trucks not just a sunken well (ie, the shift plate is actually in the same spot, the cab is raised, and a "well" is put around the shift plate)?

-Trev
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post #17 of 20 (permalink) Old 09-04-2015, 05:13 PM
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EUROII was as much (as near as I can figure) about the noise in the cab for the occupants as it was emissions (was it even about emissions? I've never googled it...). Lots of EUROII stuff is sound deadening, I've covered a few items before: https://www.benzworld.org/forums/unim...deadening.html

This is just one of those items.

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post #18 of 20 (permalink) Old 09-04-2015, 06:35 PM
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Some of the trucks with the cab lift have a shift plate lift also. Some do not. 10 million snowflakes....

C.
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post #19 of 20 (permalink) Old 09-04-2015, 11:55 PM
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I saw what you had added to your gear shift to minimise the noise when I was up as Urs's place. I would add a wrap of mass loaded vinyl over the soft foam you added. Mass Loaded Vinyl Solavis Conservation Systems Pty. Ltd. ? Call 1300 127 227
Mass damping helps a lot more than absorption for those type of noises.

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Originally Posted by CragDuc View Post
Iain, as trivial as it sounds, once you've got everything else nice and quiet the buzzing gearshift becomes an irritation. The reshimming of the back-end of my gearbox made a significant difference to the buzzing. At 90kmph cruizing there is still a buzz that I'd like to eliminate so I'll explore this option.

Iain
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post #20 of 20 (permalink) Old 09-06-2015, 03:22 PM
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All of my insulation is a composite using closed cell foam and an MLV core. MLV is then new lead. Very effective. Over my gearplate I have the foam plus a rubber backed commercial carpet tile. I'm sure a decently thick layer of MLV would be better.

At 2200 revs my truck is pleasantly quiet inside. At my 2600 cruising speed the engine or fan gets quite noisy. Fast axles will do the trick.
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