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Help! I am trying to find the vacuum diagram/schematic for the vacuum lines for a 1971 Pontiac Lemans Sport 350 with A/C. Even Ames Performance says "Nothing like this exists". What am I supposed to do, just start guessing? Does anyone here know of any such thing? It's not in the assembly manual, it's not in the service manual. Any advice would be appreciated. Thanks!
 

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I have a 69 ac lemans I am parting
under hood is a chevy
but
under dash is still intact,,,dash pad is pulled

post pics of your issues
 

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Discussion Starter #3
I have a 69 ac lemans I am parting
under hood is a chevy
but
under dash is still intact,,,dash pad is pulled

post pics of your issues
I am doing a frame off restoration, so I am essentially putting together a new car. I have brand new vacuum lines, I just need a diagram that shows where they all route to. I found a diagram for a 1969 GTO online but it's not the same. Cannot find anything for a 1971 Lemans.
 

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Page 1A-5 and 1A-84 (Custom Air Conditioning Chapter) in the 71 service manual. Complete schematic and visual drawing.
 
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