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What connects to the intake manifold where the throttle body assembly mounts to the intake manifold?

Tiny
RONALD DEVOLD
  • MEMBER
  • 2006 CHEVROLET MONTE CARLO
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 178,368 MILES
There are two and I know one goes to the brake booster, but where does the other one goes to? I bought the car that way.
Wednesday, June 1st, 2022 AT 5:29 AM

7 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,642 POSTS
There is a vacuum line the goes from the valve body to the brake booster. Below are the instructions that show the line along with how to remove the intake manifold and reinstall in case you need it. Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.
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Wednesday, June 1st, 2022 AT 12:34 PM
Tiny
RONALD DEVOLD
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  • 105 POSTS
Yes, I understand that but in the front part of the intake manifold there are two connections.
I have attached a pic of the manifold. As you can see, the one on the right goes to the brake booster. I need to know what is attached to the other one.
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Tuesday, June 14th, 2022 AT 11:32 AM
Tiny
KEN L
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It looks like that goes to the EVAP canister control solenoid, here is a diagram so you can see. Check out the diagrams (below). Please let us know what happens.
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Wednesday, June 15th, 2022 AT 10:27 AM
Tiny
RONALD DEVOLD
  • MEMBER
  • 105 POSTS
The EVAP canister control solenoid is connected to the throttle body.
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Thursday, June 23rd, 2022 AT 7:51 AM
Tiny
KEN L
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Do you have any vacuum lines that are lose under the hood, maybe it was just a plugged port?
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Friday, June 24th, 2022 AT 9:24 AM
Tiny
RONALD DEVOLD
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No.
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Monday, June 27th, 2022 AT 10:15 AM
Tiny
KEN L
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I would plug the port and see what happens.
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Tuesday, June 28th, 2022 AT 10:55 AM

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