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Old 07-07-2002, 01:13 AM   #3
avk
Scooby Specialist
 
Member#: 17252
Join Date: Apr 2002
Chapter/Region: Tri-State
Location: NJ
Vehicle:
'06 WX8
59E

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The vacuum diagram in the notoriously inaccurate Chilton's identifies this part as "filter". I thought it's there to protect the sensor and/or the pressure exchange solenoid from the dirt out of the PCV system. The foam is probably just to keep the plastic from rubbing against the adjacent hoses.
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