64Scout

Like many others my car is stuck on defrost. I read there is a piece in the vacuum line that is responsible, which I believe is this. Is it a check valve? If so it doesn't work because I can move air through in both directions. Or am I looking at the wrong part?

xrav22

This is how an L98 works. The line for controls comes from a wiring harness behind dizzy.

RUU

What year is your car and does it have electronic climate control?

64Scout

Sorry, it is a 96 with the electronic controls.

RUU

Go through the following thread for solutions for what is likely your problem.
https://www.corvetteforum.com/forums...l-problem.html

If your cruise control works, the check valve you have pictured is probably not the issue.

64Scout

Thanks for the link.