Joined: Dec 2000 Posts: 5,846teamzr1 Owner - Pays the bills
teamzr1 Owner - Pays the bills Lives in Engine Bay
Joined: Dec 2000
Posts: 5,846
America
Here we can see by 2004 GM did away with most of the PCV system as seen all the hosing from right head to left head is gone. A plug fills the hole where PCV hose went to left head and only 1 hose goes into right head and then inside valley pan is 1 hose that then inputs fumes into the intake
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