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Old 02-12-2010, 04:47 AM
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turbo 350 torque converter problem

well this may seem like a stupid question but i've never had a chev.

i'm currently building a 350 for my holden and i just brought the torque converter today and as i went to put it in the gearbox so i could put the gearbox on the engine and finish i came across a problem atleast i think it is.

so my question is,

is the torque converter suppose to be loose inside the gearbox while its not bolted up cuz it doesn't lock up or anything at all.

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Old 02-12-2010, 04:58 AM
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You should be able to spin/rotate it back & forth.
When you install it spin/rotate it left & right to make sure it's installed all the way. The Turbine shaft splines, Stator splines and Pump lugs need to engage.
When you attach the Trans to the Engine you should have 1/8" to 3/16" between the Flexplate and Torque Converter before you slide it forward & bolt them together.
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Old 02-12-2010, 05:03 AM
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hmm then i think its not going in properly cuz it does spin nicely but if u grab the top and bottom of the torque converter it will have play and go up and down is that normal or is the torque converter only suppose to spin not move up and down
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Old 02-12-2010, 05:10 AM
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No it shouldn't move up & down or side to side, only rotate. It will have a (very small) movement Up/down,side/side from clearances on the splines.
Try rotating it more with slight forward pressure.
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Old 02-12-2010, 05:13 AM
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thanks , just looked in the torque converter and theres the big spline and the smaller one but nothing for the end bit with the rubber seal to sit in its just a big hole, so anyways thanks
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Old 02-12-2010, 05:19 AM
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Quote:
Originally Posted by zaraki
thanks , just looked in the torque converter and theres the big spline and the smaller one but nothing for the end bit with the rubber seal to sit in its just a big hole, so anyways thanks
The Rubber seal on the Pump goes around the converter snout/hub. The notches/lugs on the end are what drive the Pump gears in Trans. Sounds like the lugs have not engaged the pump gears. You should feel 2 or 3 clicks and feel it engage/drop into place.
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Old 02-12-2010, 06:32 AM
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haha just talked to the torque converter place a bit ago and looked and found out wrong torque converter its was for a normal turbo 350, not a expert so i didnt know how many turbo gboxes there where so i ended up finding out i got a turbo 350 c ....
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Old 02-12-2010, 04:34 PM
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Glad you got it figured out. TH350C has lockup clutch inside the converter. The converters don't interchange as you found out.
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