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Do you have a schematic for vacuum hose routing for 1990 s 10 blazer 4.3 liter 5 speed manual 4x4 transfercase to engine to 4x4 actuator please...

Vacuum actuator diagram for the 4x4 unit

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  • 21 Answers

Diagram usually under the hood.

Posted on Oct 15, 2014

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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Anonymous

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SOURCE: emission vacuum hose routing 1987 corvette

There's are two stickers on the top of the radiator. There is one at the filler cap that shows the pulley and belt arrangement and the other one shows the routing of the emission hoses with charcoal canister.

Posted on Apr 01, 2009

Tnsiouxfalls

GM guy

  • 617 Answers

SOURCE: 1991 Chevy S10 Blazer 4.3 4x4

4170636.jpgThis is all I've got.Hope this helps?

Posted on Dec 20, 2009

Anonymous

  • 337 Answers

SOURCE: 97 blazer 4x4 4.3 v6 need vacuum diagram

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528008f18f

Posted on Mar 12, 2009

Anonymous

  • 5 Answers

SOURCE: i need a 1987 chevy S10 vacuum hose routing diagram

Go to Autozone.com, become member, will give you repair manual,location of parts,diagrams.

Posted on Apr 09, 2009

Molson02536

Harvey N Tawatao

  • 3854 Answers

SOURCE: i need a connection diagram for a chev blazer

The Vacuum line to the 4wd actuator from under the battery try runs along the passenger side frame to the vacuum harness that is connected to the vacuum switch on top of the transfer case, driver's side.
The 4wd vacuum switch on top of the transfer case (driver's side) will have three vacuum line, one to the actuator under the battery try, one to vent out the vacuum, and the vacuum line it self which runs up towards the firewall making it's way to the vacuum canister on the drivers fender by the brake booster.
Hope this helps your and thank you for using fixya. http://i11.photobucket.com/albums/a187/swartlkk/general%20automotive/94_vac_overall.gif http://i11.photobucket.com/albums/a187/swartlkk/general%20automotive/94_4wd1.gif

Posted on Apr 18, 2010

Testimonial: "The best explanation I could find for the vacuum system operating the 4wd on my Blazer"

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Hi I have a 2008 4.6 f150. I change the Pastor side actuator about 2 weeks ago and now 2 day I have no 4 weel drive. The 4x4 light in on in the dash. Now when in 4x4 passengers side actuator is makeing a...


At www.reliable-store.com get complete guide on whether to repair or not, service it, and how to repair etc, along with wiring diagrams, electrical diagrams, torque specs, error codes, everything.

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Diagram for 87 yj vacuum lines for 4 wheel


vacuum lines are no hard to find
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Need 1999 blazer 4x4 automatic vacuum line routing for the vacuum actuater


These are the diagrams that Autozone has for the 1999 4.3L Blazer 4x4.



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Nov 20, 2015 | Cars & Trucks

1 Answer

My 4x4 is not working in my Isuzu trooper 1997


Check that the vacuum line is connected to the unit. Everything nowadays is vacuum actuated. Even my '86 Blazer front drive is vacuum actuated.

Sep 23, 2014 | 1997 Isuzu Trooper

1 Answer

4x4 wont engage


Check actuator cable, Vacuum can under battery tray could be damaged, or simply a vacuum line could be disconnected from this unit

Dec 11, 2013 | 2003 Kia Sorento

1 Answer

4wd 4HI and 4LO not working


Check the fuse to the 4x4, if the fuse is good then check the 4x4 electric motor actuator on the transfer case. You should hear it work from 2wd, 4hi to 4low and back to 2wd with the push of the switch. if you don't hear it working then check the wire harness at the actuator motor, look for any damages like corrosion or cracked wire connector clips. If the 4x4 actuator is working on the transfer case, then the front hub 4x4 actuator may have gone bad and that's located on the front differential. It's common for the clip there to corrode and break and is an easy fix with a new collar pin, at worst it's the diaphragm on the vacuum actuator that is located under the battery tray. There is a vacuum switch on the top of the transfer case, driver side but when that fails, your front hub stay's locked in the on position. Good luck and keep me posted and hope it's a simple fuse that has gone bad. You can pick up all these parts at Auto Zone or Parts Source and they will have the step by step instructions for you to get the job done with common tools.

Jan 06, 2010 | 2002 Chevrolet S-10

1 Answer

4x4 indicator light flashes continuesly


Hi, on the front axle is the actuator for the free wheel hub. This actuator works with vacuum. You will need to establish if you have sufficient vacuum on the actuator. You should have vacuum on one side of the actuator in 4x2 mode and then the vacuum should change to the other side when 4x4 mode is selected. If your vacuum is fine and the actuator moves far enough, then you should look at the freewheel sensor situated on the front diff. The sensor might be faulty which gives the control unit the wrong info.

Oct 01, 2009 | 2002 Mitsubishi Montero Sport

1 Answer

87 chevy s10 4x4 vacuum diagram


NOTE<< If Picture Does Not Show Please Email Me @ rejakwilson@aol.com And I Will Send it to You It IS DETAILED And COMPLETE Diagram of Exactly What You Ask For.

Vacuum and Vapor Hose Diagrams Notes Vacuum Actuation System 42242444

Feb 12, 2009 | 1987 Chevrolet S-10 Pickup

1 Answer

1998 gmc jimmy has no 4x4 anymore


Hi there. under your battery is the 4x4 actuator. there should be a vacuum hose that is connected to it. this actuator is the one that will lock your front diff in 4x4. this hose could fall off and you will not have 4 wheel drive without it connected.If that hose is connected, there is another hose which comes from the vacuum switch up the back of the engine and over toward the driver side of the engine compartment. it tees off and one end goes to a little resevoir on the engine hood. with the engine running, check to see if you have vacuum to this hose. also with thye engine running press the 4x4 switch and make sure that the actuator os working. the vacuum should **** the diaphram in and hold it in. If there is vacuum to the diaphram when 4x4 is engaged but the diaphram doesn't hold, you will need a new actuator. Hope this helps you.

Dec 29, 2008 | 1998 GMC Jimmy

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