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Old 03-29-2007, 11:27 AM
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Torque Converter play

I was recently doing an engine swap on my blazer and I noticed that the torque converter was able to rock up and down or side to side when disconnected from the engine. There is about 3/8" movement.

This doesn't seem right to me. I don't recall being able to do this with my previous chevy.

This is on a th350. The trans doesn't seem to have any problems. I've been running it for 4 years now. I have always felt that it is a little loose in reverse but it has been consistent over the last 4 years.

Should the fully engaged torque converter be able to rock on the input shaft when not attached to the flexplate?

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Old 03-29-2007, 12:07 PM
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yes it can rock on the input shaft


to a degree

make sure the converter is fully engaged into the pump


two sets of splines and the two pump cut outs/notches

if theres not a gap inbetween the converter(front side of it)and the backside of the flexplate then its not all the way in or the plate is instaleld onto the crank backwards possibly


good luck
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Old 03-29-2007, 07:23 PM
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Quote:
Originally Posted by 70bird
I was recently doing an engine swap on my blazer and I noticed that the torque converter was able to rock up and down or side to side when disconnected from the engine. There is about 3/8" movement.

This doesn't seem right to me. I don't recall being able to do this with my previous chevy.

This is on a th350. The trans doesn't seem to have any problems. I've been running it for 4 years now. I have always felt that it is a little loose in reverse but it has been consistent over the last 4 years.

Should the fully engaged torque converter be able to rock on the input shaft when not attached to the flexplate?
there will be some movement..... this is normal.

The front of the converter has a hub that engages into the back end of the engine crank shaft. That provides the proper alignment.


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