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Old 08-15-2018, 09:44 AM
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Quote:
Originally Posted by andrewwynn View Post
I am pretty sure the solinoids get a pwm signal to send a metered amount of oil pressure to the vanos. Internal to the vanos there are a set of internal helical gears that mesh in such a way that as oil pressure is applied it changes the relative angle between the input and output teeth.
Quote:
Originally Posted by oldskewel View Post
So this way, in summary, those solenoids control oil flow to the VANOS. The VANOS moves its pistons, which move those double helical cups, which cause the camshafts to adjust their angle with respect to the pulleys. Continuously variable, independent on intake and exhaust. Pretty effin' amazing to see it all there and knowing it works so well.

Exactly what I was wondering...thanks for the education.
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