The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - no vacumn to PCV valve,unidentified oil leak at intake.

cparman · 06-24-2010, 07:54 PM

Agree with all, I have had bolts leak oil and had to use thread sealant. The PCV needs to be attached to a vacuum port BELOW the throttle plats to have manifold vacuum. In one of the pics it looks like there is a fitting with a rubber hose going to the brake booster?? T into that.

06-24-2010, 07:54 PM	#6
cparman sharp as a marble Join Date: Jan 2007 Location: atlantic beach,florida Posts: 1,082	Re: no vacumn to PCV valve,unidentified oil leak at intake. Agree with all, I have had bolts leak oil and had to use thread sealant. The PCV needs to be attached to a vacuum port BELOW the throttle plats to have manifold vacuum. In one of the pics it looks like there is a fitting with a rubber hose going to the brake booster?? T into that.