The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Need Help, knocking-pinging

Dead Parrot · 10-04-2018, 02:08 PM

If the intake is OEM or similar, a bad intake gasket can cause an exhaust leak from the crossover passage. I was chasing a vacuum leak and when I replaced the intake gasket, a pesky exhaust tick went away as well.

10-04-2018, 02:08 PM	#6
Dead Parrot Registered User Join Date: Aug 2012 Location: Oklahoma City, OK Posts: 2,473	Re: Need Help, knocking-pinging If the intake is OEM or similar, a bad intake gasket can cause an exhaust leak from the crossover passage. I was chasing a vacuum leak and when I replaced the intake gasket, a pesky exhaust tick went away as well.