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engineer_gregh · 02-04-2016, 07:24 PM

The plastic piece in line between your intake manifold and brake booster is a check valve. It could cause a vacuum leak. Does it look similar to this picture?

02-04-2016, 07:24 PM	#14
engineer_gregh Registered User Join Date: Feb 2012 Location: Smyrna TN Posts: 1,153	Re: help on tune up and carburetor issues The plastic piece in line between your intake manifold and brake booster is a check valve. It could cause a vacuum leak. Does it look similar to this picture? Attached Images __________________ 1971 Longbed BB Cheyenne Super 1972 Longbed SB Cheyenne Super 1972 Longbed Highlander Custom Deluxe 1975 K5 4x4 full convertible Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=645165 Greg Smyrna TN