Vacuum hoses: where to?

Old Dec 14, 2025 | 02:22 PM
  #1  
TonA's Avatar
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From: Rotterdam
Vacuum hoses: where to?

Good day. Oldsmobile Omega 1980 V6 2.8L. My car and I are living in the Netherlands.
I have disassembled the intake manifold because it was leaking. It has been fitted with new gaskets, as well as those of the valve covers. Tomorrow I will install the carburetor. I disconnected many hoses, and a few were already hanging loose. The hoses I disconnected I have marked, so I will be able to find those connections again. In any case,
I would like to correctly connect all the vacuum hoses to the various valves.
My Service Manual contains a nice diagram, but I cannot properly match the English names to the components I see under the hood.

Is there anywhere I can find images/photos/videos that show me exactly where each hose goes?
Thanks in advance!

Old Dec 15, 2025 | 03:08 PM
  #2  
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Which ones do you not recognize ? Or post some closeup pictures of your engine showing the parts and we can try to identify them for you.
Old Dec 19, 2025 | 08:16 AM
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Thanks Bill. Ihave here some pictures
There are 3 sensors: Yellow, green and blue
There are 3 sensors: Yellow, green and blue
No 1 isn't connected
No 1 isn't connected
No 2 Blue is open too
No 2 Blue is open too
3-way vacuum on the intake manifold. No 3 is open.
3-way vacuum on the intake manifold. No 3 is open.
I hope this makes it clearer and someone knows how I can connet the different hoses.
Old Jan 2, 2026 | 11:07 AM
  #4  
TonA's Avatar
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Thank you! It does not matter anymore. I took everything out. Except for ignition, brakes and PCv.
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