th350 will not shift - Team Camaro Tech
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post #1 of 3 (permalink) Old Mar 19th, 03, 01:31 PM Thread Starter
Join Date: May 2001
Posts: 23

I had my th350 rebuilt, but when I installed it, it won't go into gear. The fluid level is good, right on full (warm and running). I tried disconnecting the linkage and manually operating the shift lever and nothing, it just will not go into gear...any gear! any suggestions, is there any thing that I can check without removing the trans...I would need to cut the exhaust, and I really don't want to?
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post #2 of 3 (permalink) Old Mar 19th, 03, 02:56 PM
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Join Date: Mar 2002
Location: Austin, TX, USA
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Wow, no forward, reverse or anything huh? That sucks. At a minimum I'd pull the pan and check the filter. Seems like they can be installed backwards and create a hellova leak. Just pump the oil out through the tube into a clean bucket and put it back in when you're done.

I'd minimize running the engine, since you could be lacking lubrication as well as movability. Pressure check is an absolute must. Many things could be wrong from stuck valve (easy fix), to missing sealing rings, missing modulator valve or other components that can cause a serious line pressure leak. The pressure check will tell just how bad it is. Low pressure will indicate something is really wrong and you'll probably end up cutting that exhaust if it's not an easy fix like filter, modulator valve, valvebody error etc.

Can you take it back to your rebuilder?


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post #3 of 3 (permalink) Old Mar 20th, 03, 06:37 AM
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Join Date: Sep 2000
Location: Va Beach VA
Posts: 32,005

The S-clip is not in its correct place between the shift arm and manual valve, plus the detent roller is not there.

As dnult suggested, have your rebuilder check it, all work can be done in car.

Or, torque convertor is too far forward when bolted to the flex plate and has disengaged itself from the oil pump, thus, not having any oil pressure.

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