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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#77825 05/21/2007 7:48 PM | Joined: Dec 2005 Posts: 324 Member | | Member Joined: Dec 2005 Posts: 324 | One of the main causes of oil consumption before electric wipers was a leak in the vacuum diaphragm on the double pumps.
The PCV should not run through the pump. You also need air into the engine as well as air out through the PCV valve.
"It ain't a truck if you can't hose out the cab."
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