Tranny trouble...help!

[ladyredhawk]

2001 C5. Had a TC1 3500 TC. Had bad viberation under part throttle in it since it was installed. After serveral thousand miles, tranny started to overheat (200 - 270 degree) it has a tranny cooler. Changed out 2.73 gears to 3.73s and installed a Yank SS3600 converter. Still over heats. Now will not shift into 3rd or 4th gears.

Is there anything in the tuning that could have caused this? Is there any specila tuning that should have been done for the high stall TC?

[ToplessTexan]

I don't think anything in the tune will cause a vibration, unless it wasn't vibration (out of balance) but really TCC chatter.

[ozorowsky]

what is tcc chatter? I have something similar from time to time.

[ToplessTexan]

An alternately slipping and sticking feeling, typically during apply. It's usually fairly rapid. You'll also hear it called shudder. That might be a little more suggestive of the sensation.

[ozorowsky]

Is that normal? Will it hurt anything? I get it. See this post:
http://www.ls1tech.com/forums/showth...=1#post2152602

[ToplessTexan]

No, shudder is not acceptable. Depending on what your TCC apply and release tables look like, it might be something along the lines of what you mention in your other thread, i.e. apply and release points very close together.

BTW, I don't think that was the cause of the issue Lady posted about.