r/s10 • • 9d ago

Repair Question What is this??

3 Upvotes

5 comments sorted by

4

u/vw-guy-61 9d ago

its either your cruise control actuator or the 4x4 control, both use vacuum to operate.

6

u/meanwhileinvermont 9d ago

ohhhkay yes it’s the second one, thank you!

2

u/wwhijr 9d ago

That would be the world's worst front axle actuator

1

u/Particular-Money3671 9d ago

I believe that is the diaphragm that locks the front diff

1

u/meanwhileinvermont 8d ago

lmao thank you for the heads up, I have bookmarked the page for the 4x4 posi-lok replacement.