My rebuilt Datsun tranny is also noisy in neutral, clutch out. It was noisy
before the rebuild, we replaced all the bearings, and it was noisy after the
rebuild.
It also crunches a little going into second when cold. I used NOS Datsun
syncros for the rebuild. It crunched exactly the same before the rebuild.
We test fitted all the syncros, and put the one with the most bite on second
gear, and the one with the least bite on 5th.
The before and after were so unremarkably similar that I wouldn't have
believed it was rebuilt if I hadn't participated in the work. Thing is we
did find things that needed attention, but fixing them didn't solve any of
the symptoms that led to the rebuild in the first place!
I will still take a little crunch and a fifth speed over the ribcase any day
of the week and twice on Sunday....
Dave R.
Wenatchee, WA
----- Original Message -----
From: "Dean Hedin" <dlh2001@comcast.net>
To: "rrengineer @dslextreme.com" <rrengineer@dslextreme.com>
Cc: <spridgets@autox.team.net>
Sent: Monday, March 22, 2010 5:12 PM
Subject: Re: [Spridgets] Motor Oil in the Gear Box
> Maybe.. But I've read elsewhere that it is not uncommon for a freshly
> rebuilt manual transmission to
> be a little crunchy until the synchros have had a chance to break in.
>
> I don't have very many miles on the transmission at this point. Probably
> less than 200.
> I am not too worried about the 1st 2nd crunch , because:
> 1) I can be gentle with the shift and it does not happen.
> 2) I have seen some improvement with use.
> 3) I don't have this issue in other gears.
>
> The noise in neutral I am more concerned about. How noisy is yours when
> idling in neutral?
>
.
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