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Old 11-07-2009, 08:02 AM
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TH350 reprogram kit questions

Guys, I ran into a problem last night with my first TH350 rebuild. I have a Transgo reprogram kit to put into the valve body, and all was going well until I went to put the replacement manual low spring into the vb, (the blue spring) and noticed that it really isnt a spring at all....its a solid coil!? Its wound like an extention spring and has ZERO give. It does fit into the vb, but it leaves the valve ridged to the point that the dowel pin falls right back out. Is this the right part in my kit? Please help so I dont waste another precious weekend waiting to talk to Transgo. I have a standard '77 th350, and verified that the kit is right (not for a 350C) Thanks all!

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Last edited by lngliv3; 11-07-2009 at 08:45 AM. Reason: duplicate post...oops! Dont know how to DELETE!!!
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Old 11-07-2009, 10:24 AM
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Quote:
Originally Posted by lngliv3
Guys, I ran into a problem last night with my first TH350 rebuild. I have a Transgo reprogram kit to put into the valve body, and all was going well until I went to put the replacement manual low spring into the vb, (the blue spring) and noticed that it really isnt a spring at all....its a solid coil!? Its wound like an extention spring and has ZERO give. It does fit into the vb, but it leaves the valve ridged to the point that the dowel pin falls right back out. Is this the right part in my kit? Please help so I dont waste another precious weekend waiting to talk to Transgo. I have a standard '77 th350, and verified that the kit is right (not for a 350C) Thanks all!

take a screw driver or similar device,spread out this spring coil so the retaining steel pin does not fall out.

the design is to block this valve in place ,it will not move with this coil spring device in place... it suppose to be like that.

it over rides the function design of GM so you can manually select low gear at any speed...

I relocated your double post to the dump area
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Last edited by Crosley; 11-07-2009 at 10:54 AM. Reason: spelling.......... of course
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Old 11-07-2009, 10:39 AM
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Thats exactly what I needed...please disregard the IM I sent you. Thanks with my flubbed post as well. This continues to be the best forum I have ever found... You have saved me a ton of waiting time. Thanks!
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