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PCV Valve

iCasper

Member
Joined
February 4, 2015
Messages
14
Reaction score
0
City, State
Canary Islands
Year, Model & Trim Level
97 SOHC Explorer II, 2WD
PCV Valce Motorcraft ev255

Blow test failed?


I got two new valves from Rockauto and I am wondering that I can blow through it in both directions. It rattles.


That valve should allow flow only in one direction?

68E08433-E255-49FE-984F-F1F4CB81957B.jpeg
 




XLTrunner

Well-Known Member
Joined
April 19, 2015
Messages
950
Reaction score
185
City, State
MN
Year, Model & Trim Level
1998 Explorer XLT 4.0SOHC
Nope...you're all good. They are designed to flow in both directions. The rattle is, of course, the inner plug. It's when they don't rattle that you need to be concerned about replacing them.
 




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