Pvc Valve
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Joined: Oct 2009
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Pvc Valve
Ok if somebody could help I have connected about a quarter of the vacuume system in my 83 f150 4.9l. Though I have found a diagram i can use I'm not sure where te pvc valve hooks up to.
Thank you for your time.
Thank you for your time.
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Joined: Jul 2004
Posts: 8,786
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From: Northern California
It's one of the large (3/4 if I remember rightly) vacuum ports just below the carb in either the carb spacer or intake manifold.
One is for the brake booster and the other is for the PCV valve.
Be advised that you may have a vacuum tree comming off the intake at one of these ports.
The large PCV valve port hooks into the one closest to the carb throttle body.
Also be advised that your truck may have a canister purge system. The small port of the PCV valve will hook to that system.
One is for the brake booster and the other is for the PCV valve.
Be advised that you may have a vacuum tree comming off the intake at one of these ports.
The large PCV valve port hooks into the one closest to the carb throttle body.
Also be advised that your truck may have a canister purge system. The small port of the PCV valve will hook to that system.
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