Devin,
That bolt needs to be torqued to 70 ft lbs. Your wife may not have put
enough steam on it.
Mike Boteler
'56 4400 Stake
'56 6400 Stake
'56 8400 Wrecker w/Holmes 525
'56 9200 Tractor w/Allison Automatic
'57 10500 Fire Truck
Hughesville, MD
http://www.chevytrucks.org/mikesgarage/
----- Original Message -----
From: "Devin Timmons" <hotrod64chevy@yahoo.com>
To: <oletrucks@autox.team.net>
Sent: Saturday, April 23, 2005 10:15 PM
Subject: [oletrucks] transmission woes
> to all- I've run across an interesting problem with my transmission that
> I
> have never seen before. Twice now the yoke has come loose on it, both
> times
> while driving. The first time I had just installed the tranny, and
> chalked it
> up to the bolt being loosened by somebody prior to myself. That time the
> driveline dropped out as my wife was pulling away from a stop sign 2
> blocks
> away from home. She came home and pulled the bolt out of another SM420 I
> have
> sitting in the back yard, bolted it all back together, and continued on
> her
> way. It happened to me today as I was driving down the freeway (blowing
> out
> the carbon as my dad would have called it,) had her up to about 85, when I
> started slowing down I noticed a rather severe vibration that was related
> to
> vehicle speed. I nursed it home from the offramp, about 1/2 mile, and
> then
> crawled underneath to find the problem. I thought it might be the yoke
> again,
> and sure enough, it was. Went in and tightened it up, the bolt was still
> there this time, but I'm wondering what's causing this. It has the thick
> spacer on it, but no lock washer or anything of the sort. I'm thinking of
> taking it back apart and putting some loc-tite on it just for peace of
> mind.
> Has anybody run across this kind of thing before?
>
> Devin
>
> 57 3100
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