V10 PCV valve
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Fleet Mechanic
Joined: Mar 2013
Posts: 1,576
Likes: 41
From: Wyoming
V10 PCV valve
So, I bought two pcv valves, one for each of my 2000 excursions.
One I bought at a box auto parts store, the other I bought from Ford.
Both look the same, but they are not the same.
Ford unit I can blow thru both sides easily as well as sucks thru both sides easilly.
The other I cannot blow as easy as the ford unit.
That is the limit of my knowledge of PCV valves.
How do you know which is working like the V10 requires?
One I bought at a box auto parts store, the other I bought from Ford.
Both look the same, but they are not the same.
Ford unit I can blow thru both sides easily as well as sucks thru both sides easilly.
The other I cannot blow as easy as the ford unit.
That is the limit of my knowledge of PCV valves.
How do you know which is working like the V10 requires?
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
I believe regardless of brand PCV's need to act like check valves---which they are in reality anyway. Blowing through them from the larger end should work, sucking from the smaller end should not. If you're able to effect flow in both directions I'd not use that particular part.
If they rattle when shaken that's not a good sign either......
Make sure to replace the valve cover grommet too.
If they rattle when shaken that's not a good sign either......
Make sure to replace the valve cover grommet too.
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