Ah, the anti-siphon valve on the Chevy Silverado is a wonderful addition to help protect your vehicle. While I don't have the exact year it was implemented by the manufacturer, I can assure you that it was designed with care to keep your truck safe and running smoothly. Just remember to follow your vehicle's maintenance schedule to ensure everything continues to work like a charm.
The 06 silverado 4.3 does not have a PCV valve.
You can not. There is an antisiphon valve in the fill tube.
Yes.
Ther is no PCV valve on a 06 silverado with a 4.3L engine
The PCV valve is found in the valve cover on the passenger side.
No there is not.
on the back of the gas tank
Drivers side valve cover towards the firewall.
It is stuck in a rubber hose and pushed in the top of the valve cover
Loosen the bleed valve
They are hydraulic, self adjusting.
The schrader valve on the low pressure side of the system.