NEED HELP Corvette Servo Problem

Chevy66driver

Original poster
Member
Oct 17, 2018
4
rocky77
Ok, so after doing quite a bit of searching, I can'treally find a definite answer to this...I installed the corvette servo in my Envoy Denali 5.3 and am having a few issues. It seems like it doesn't want to shift into second. If my foot's on the throttle, it will basically redline. I was under the impression that it was basically a bolt on mod.

My questions are:
Is this issue something a tune tweak will fix, or do I need to take it to a transmission shop?
If it can possibly be solved with a tune, what exactly will need to be adjusted? Line pressure up/down, shift points?
Could it be an issue with the pin?

I am going to throw the old servo back in today and pray it runs normally
 

Sparky

Member
Dec 4, 2011
12,927
Yes it could be a pin or assembly issue. I'd take it back out and try again.
 

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