I need a 1987 chevy S10 vacuum hose routing diagram

The vacuum lines on a 1987 Chevy S10 Blazer are responsible for routing vacuum to various components such as the brake booster, EGR valve, and other systems.
A vacuum line diagram for your specific make and model of Chevy S10 Blazer can be found in the vehicle's service manual or in some cases, it can be found under the hood on a decal or sticker.
If the vacuum lines are loose, cracked, or damaged, it can cause various issues such as rough idle, stalling, poor performance, or even a failed emissions test.
It's best to consult the service manual, a professional mechanic or the dealer for proper diagnosis and repair of vacuum lines issues. These lines are crucial for the proper operation of many systems in the vehicle, so it's important to fix them as soon as possible if they are found to be damaged.

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try this link
1999 Chevy 10 Vacuum Hose Routing Diagram

CHeck this diagrams...

Fig. 14: Vacuum hose routing-1987 2.9L engine - zoom link here

Fig. 13: Vacuum hose routing-1987 2.3L engines - zoom link here

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Hi John:
I suggest to check this diagrams...






Fig. 14: Vacuum hose routing-1987 2.9L engine - zoom link here





Fig. 13: Vacuum hose routing-1987 2.3L engines - zoom link here

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

under the battery is where you need to check first,then follow it down around the right front wheel well,

email me at [email protected]
I will send u it

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Vacuum and Vapor Hose Diagrams Notes Vacuum Actuation System

if you have the 2.6 turbo I have a vacuum diagram for that car or I could take a pic of mine so you can see what goes wear