If you can, the boost won't rise, any boost pressure will just pass through the ball in the dawes. Wind it in atleast half way and then wind the needle valve in also, right in. (To shut the vacuum supply right off) Then start the car up, and unwind(open the vacuum supply) the needle valve until the rod drops. If it doesn't drop, I would think it's either incorrect plumbing or the actuator is stuffed. Think.






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