84 chevy s10 blazer vacuum lines HELP


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84 chevy s10 blazer vacuum lines HELP

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blazerjake
New User

Nov 1, 2006, 8:35 PM

Post #1 of 3 (12463 views)

84 chevy s10 blazer vacuum lines HELP	Sign In

i have an 84 chevy s10 blazer and my brother ripped out all the vacuum lines and i need a diagram for it and the book i bought doesn't have one if someone has an 84 or similar year with a pic of the motor its a 2.8 v6 carb. please help, or send me a message if you think you can help some other way thanks

DanD
Veteran / Moderator
DanD profile image

Nov 2, 2006, 5:02 AM

Post #2 of 3 (12399 views)

Re: 84 chevy s10 blazer vacuum lines HELP	Sign In

Back in 84 it was a plumbers nightmare with all of the different vacuum operated devices that were stuck on these trucks.
I just had a quick look through the different diagrams that I have and stopped counting at eight and I know there are a ton more.
To now the exact one I would need the calibration code.
The sad part about that is; if the decal under the hood that had the original vacuum diagram is missing; that’s where the calibration code was as well.
I don’t know where else on the vehicle that you would find it?
The code is made up of three letters the one that I’ve posted is XBX and seems to be the most generic one according to application.
All of the diagrams that I have start with XB? So if you find the code somewhere I’ll see if I have it?
Here’s a short list of the different applications that determined the different vacuum systems they used.
 Federal emissions auto or manual trans.
 California emissions auto or manual trans.
 High altitude federal or California
 High altitude auto or manual trans.
And then there’s combination of all thrown into the mix.
So this diagram may help you but it’s not likely the exact one.
It’s listed as Federal all transmissions.
Sorry for the quality of the print but that’s as good as most of them come.
Dan.

Canadian "EH"

blazerjake
New User

Nov 2, 2006, 10:18 PM

Post #3 of 3 (12389 views)

Re: 84 chevy s10 blazer vacuum lines HELP	Sign In

hey thanks man I think that will help a lot I'm gonna check it in the morning and see if i can find the code thing you were talking about. if I can't then oh well I'll see if the one you already gave me is close enough.

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