Quote:
Originally Posted by andrewwynn
The solinoids control the vanos and if it's sticky it will most certainly affect throttle performance at any position. It's about 30 hours less work to change the solinoids vs refresh the vanos seals so very good news for you.
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School me...how does the solenoid work exactly? Guessing it gets input from the wiring harness on the front (the part that sticks out)...but oil runs through the other end that is inside? For what purpose...like what does the solenoid do specifically to make all this fancy VVT function.