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How to check uninstalled transmission


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Hi, my head was off of my blown motor and I was not able to spin the flexplate to undo the torque converter bolts during the uninstall. I had disconnected everything else from the transmission and placed the tail shaft on a few pieces of cardboard while slowly elevating the motor and bellhousing with a cherry picker until I could get the transmission disconnected. I did this with a friend and did all I could to not put any torquing pressure on the assembly. My question is if and how can I tell that the transmission could have been damaged or not during the uninstall? It does not leak any fluid and the seals are good. Can I just spin the torque converter and as long as everything spins well, is it fine?
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Sounds like you left the converter on the flywheel and pulled the trans off the converter. You wont hurt anything by doing that. It it worked before it will work again.

 

There are ways to check auto trans but they involve disassembly. You would have to turn the converter around 1000 rpm to get any output. That's just not going to happen by hand.

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It's not a good idea to try to bolt it back up with the convertor still mounted to the flywheel though. You would just be asking to bust the front pump. I would wait until I had the motor back together then unbolt the convertor. Put it back on transmission and spin it to make sure it gets seated correctly before putting it back to the engine.

 

You can check od band torque now, even inspect the valve body by removing pan checking for damage. Not sure how much you plan on building the car up but you could also get a few valve body mods while it's out. Scott does this I believe or you could order the spring kit and do it yourself.

Edited by 88351wtsi
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