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1985 Other Chevrolet Models Vacuum

Tiny
BCMULLEN95
  • MEMBER
  • 1985 CHEVROLET
Engine Performance problem
1985 Other Chevrolet Models V8 Two Wheel Drive Automatic

I need help with the vacuum line on my chevy c-10. The truck has been sitting around for a while with out the carburator on and I am unsure how the vacuum line go back together. I followed the diagram for the truck but this truck does not have all the valve listed. I am at a lost can you please help me?
Corina
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Saturday, February 21st, 2009 AT 7:45 PM

9 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Hello
Thanks for the donation.

To help us better assist you, could you please list your engine size?
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Saturday, February 21st, 2009 AT 7:55 PM
Tiny
BCMULLEN95
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  • 249 POSTS
I having a hard time following the vacuum diagram and/ or it isn't the right one. I lost please help.
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Saturday, February 21st, 2009 AT 8:30 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
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What is your engine size? 8 cylinder 6 cylinder? 3.0L 4.0L?
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Saturday, February 21st, 2009 AT 8:31 PM
Tiny
BCMULLEN95
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  • 249 POSTS
The engine is 5.7l 350 V8.
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Sunday, February 22nd, 2009 AT 11:16 AM
Tiny
BLUELIGHTNIN6
  • MECHANIC
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Below is the vacuum diagram for your vehicle. If you need further assistance just let me know..


https://www.2carpros.com/forum/automotive_pictures/261618_Noname_265.jpg



Thanks for using 2CarPros.com!
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Sunday, February 22nd, 2009 AT 2:56 PM
Tiny
BCMULLEN95
  • MEMBER
  • 249 POSTS
That is the diagram I have been using, however the truck was not original set up when it was purchased, would pictures help. I am lost.
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Sunday, February 22nd, 2009 AT 4:07 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
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Okay. Which hoses do you have or not have that are shown in the picture?
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Sunday, February 22nd, 2009 AT 5:48 PM
Tiny
BCMULLEN95
  • MEMBER
  • 249 POSTS
I took some picture of the engine on how it is connected right now. It will start but sounds horrible.
I know that the hose connected from the canister to the carburator are correct. I am not sure what the egr/purge tcc tvs is. Is the one that comes staight out from the top of engine next to the thermostas housing. If so I am not sure how they are connected. I was unable to locate a delay valve, decel valve, efe, distributor delay valve, or efe/distr tvs. Don't know what those look like.


https://www.2carpros.com/forum/automotive_pictures/80014_100_1351_1.jpg



https://www.2carpros.com/forum/automotive_pictures/80014_100_1355_1.jpg



https://www.2carpros.com/forum/automotive_pictures/80014_100_1357_1.jpg



https://www.2carpros.com/forum/automotive_pictures/80014_100_1358_1.jpg



https://www.2carpros.com/forum/automotive_pictures/80014_100_1360_1.jpg



https://www.2carpros.com/forum/automotive_pictures/80014_100_1361_1.jpg

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Sunday, February 22nd, 2009 AT 6:24 PM
Tiny
JLEGARE
  • MEMBER
  • 3 POSTS
Bcmullen95 can you please post some more pics of your engine I am having a similar problem with routing and the diagrams are not very good if you have it working now can you please post or email me some pics. Your help would be greatly appreciated
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Friday, January 1st, 2010 AT 3:55 PM

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