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Discussion Starter · #1 · (Edited)
Hi guys and Good morning,

Been awhile since I have been around the site, doing trips in the Chevy and generally attacking bits and pieces to make her drive better. You can check out pics on www.facebook.com/oldscl.shoebox or http://www.trifive.com/forums/album.php?albumid=4012 Concourse enthusiasts need not click :)

I have had the gearbox rebuilt about 8 months ago with new bearings and seals. I got to be hands on with this, and was surprising how ...simple it was. Well, maybe I've talked too soon!
But since I have done a 1000km round trip, I have found the gearbox likes to pop out of gear, but only around corners like sharp turns and roundabouts. Which would be majority right turns now I think about it, Ill have to test.

I got under the car and saw that one of the gearbox mounts was in a bad way, so replaced it thinking that the movement was causing the problem.

Unfortunately its still happening. Normally I would just take it to the guy who rebuilt it, but he is dealing with some personal issues at the moment and I don't have any other local options.

Does anyone have any experience with this problem? Its a 3 speed column shift backing a 6 cylinder. Original as far as I know.

Thanks!

Jamie
 

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Trifive Automotive Electrical Wiring Expert
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Discussion Starter · #3 ·
Did you readjust the linkage after changing the mount? ..... See sheet 6.00 for adjustments. ....http://www.trifive.com/garage/57%20Chevy%20Assembly%20Manual/7-7.gif ...... Sheet 6.00. ...... http://www.trifive.com/garage/57%20Chevy%20Assembly%20Manual/7-6.gif ....... Are the other mounts in good shape.
No to adjusting the linkage.

Thanks for those pics, I'll have try to work out exactly what I'm looking at though! I'll do some more research about linkages.

The other mounts are in good condition but I bought the motor mounts at the same time from the states so I can change them.

Thanks, gives me something to move on with now.

Jamie
 

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If the linkage is not too tight or binding so as to force the popping out of gear my thought would be that the synchro's might have needed to be replaced as well. Fairly common for those boxes to pop out of gear when they are worn beyond service life.
 
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