ArmyofOne's "How-To" Garage: Change a PCV Valve.
The following instructions are for the changing of a PCV Valve on a 2009 4.7L PowerTech V8. However, nearly every car will be similar in technique. Just look for the thing sticking out of the valve cover, with a hose going from it to the intake manifold/TB.
Step 1: Remove this hose:
Step 2: Unscrew clamps right behind the hose shown above (forgot to take a pic) on the main intake tube.
Step 3: Remove Airbox Cover, using clips:
Step 4: Remove Intake crosstube.
Step 5: Unplug this (MAF) sensor----
Step 6: Unbolt 1 10mm bolt right below that sensor. It holds the Intake-box-thing in place :D. Yes thats the technical term. :LOL:
This is what you should see:
On the drivers side/rear of the valve cover is the goal...the PCV Valve.
Step 7: Unclip PCV Valve, twist out and pull:
Step 8: Clean PCV Valve (I did as a temporary solution, due to work I cant get to autozone or the dealer till saturday), or Install a new one, and reassemble.
Hope this helps someone!
Nice write up! :rep:
Thanks! this helps me lol! It looks like you and I have the highest mileage of the later year trucks, I should maybe change mine soon too for peace of mine and a few bucks.
If you just want to clean it, just spray it with Carb/choke cleaner.
Thanks, I've got the PCV valve ordered and should be installing it next weekend. Any tips for replacing all 16 plugs and wires, 95K maintenance.
Have you changed your intake side plugs yet? They are supposed to be replaced at ~50k miles. They are a Bosch plug, SPFR8TE2AA. The exhaust side plug is good for `~100k miles. It is also a Bosch plug, SPFR8TI332. Wires shouldn't need replaced. The intake side plugs sit directly under the coil, the exhaust side has a small wire from the same coil(I'm not even sure if the wire is replaceable separately or if the whole coil needs replaced). Supposedly you need a thin wall spark plug socket for the intake side plugs, as a regular socket is too thick to fit. Also supposedly the boots on the coils tear/break easy, so be careful.
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