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Vacuum diagram

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Old April 27th, 2021, 9:03 PM
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Default Vacuum diagram
I have a 2000 2500 Express van with a 4.3 vortec. I had change out the old engine and put in a new one. I got everything almost put back together on the front end including the motor but for the life of me I cannot find a diagram or routing for one of the vacuum lines for my van. Somebody please help ASAP, thanks in advance.
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Old April 30th, 2021, 5:07 PM
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Can you describe where the vacuum line is located, and where it attaches at the non-engine side connection?
I have the FSM for the 96 and 02 Express vans, and should be able to help you if I know what to look for...

Peter
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Old April 30th, 2021, 5:16 PM
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Does this help?



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Old April 30th, 2021, 5:21 PM
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No that diagram doesn't help me ,the canister on my van only has one port on it.
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Old April 30th, 2021, 6:12 PM
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Is there a hose connected to the canister?
If yes, where does the other end of the hose connect?
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Old April 30th, 2021, 6:37 PM
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Originally Posted by MiragePilot
Is there a hose connected to the canister?
If yes, where does the other end of the hose connect?
I don't know but yes the hose is connected to cannister
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Old April 30th, 2021, 9:38 PM
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the vacuum tank hose goes to a check-valve, and then to 'T' junction to the intake and the cabin controls.
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Old May 1st, 2021, 11:00 AM
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Mountainmanjoe, do you have a diagram for that hose?
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Old May 1st, 2021, 8:33 PM
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It's in my head. Do you have a photo?
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Old May 2nd, 2021, 5:09 PM
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