Vacuum Diagram

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Vacuum Diagram

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Blazer >> Mechanical & Maintenance >> General Tech Help >> 1st Gen S-series (1983-1994) Tech >> Vacuum Diagram

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Vacuum Diagram - 4/7/2008 9:18:27 PM

omalley576

Posts: 8
Joined: 6/12/2007
Status: offline

I'm lost in vacuum land. I have a million splitters, some capped off, and what appears to be some incongruencies in what I THOUGHT was connected before I went to AutoZone and what can no longer be connected the way I thought it was... if that makes sense.

1994 Chevy S-10 Blazer 4.3L "W" with what I think is the "evap canister" on the passenger side, near the front, not attached to the actual hood. (It appears theres about 1.2 billion configurations for this guy).

I've found a page with 30 diagrams on autozone's web site, but I'm not real sure which one applies... if ANY of them do.

Can anyone please help?!

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--'94 S-10

Post #: 1

RE: Vacuum Diagram - 4/9/2008 9:09:18 AM

94blazer4.3ho

Posts: 69
Joined: 8/6/2007
From: utah
Status: offline

I dont have an actual diagram but i think i can walk you through most vaccum lines
first from the back of the intake manifold it splits within an inch one to a four way tee with a one way valve and the other im not sure it is a hard plastic.
from the four way tee one to the "vaccum ball" second is hard plastic to the heater/AC control, third goes to the cruise control, fourth goes back to the transfer case then back to the front for the four wheel drive system. hope this helps.

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i have been through alot with my blazer in the end its worth it / 1994 s10 blazer with 4.3L V6 vin W 135000 miles new fule injector, EGR valve, water pump, fanclutch, termostat, radiator, front sway bar bushings, bilstein front shocks,

(in reply to omalley576)

Post #: 2