I have a 76 450SEL that I am restoring and the vac door lock system does not work due to a leak somewhere. I want to block the vac line from the engine in the interim, so the extra air input from the leak area does not change my idle speed. Can anyone tell me exactly where that vac takeoff is on the engine???

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Ben Harrison Carter
1999 Mercedes ML320 87K
1992 Mercedes 300CE 89K
1995 Corvette 29K -- Sold Dec 09
1989 Mercedes 420SEL 99K -- (Sold 4/08)
1968 Mercedes 230S (106K) (Sold 9/06))
1976 Mercedes 450SEL 130K (Just sold - 06)
1961 Mercedes 220Sb (sold years ago)