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Where does the vacuum lines on solenod on fire wall o 2001 chevy balazer 4x4

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Posted on Jan 02, 2017

  • 1596 Answers

SOURCE: 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

Posted on Feb 13, 2009

  • 18 Answers

SOURCE: where does the vacuum line on air intake duct

Are you referring to the plastic line that comes out of the top of the duct, turns and disappears toward the back of the engine? That line goes to the top of the rear valve cover. Use a flashlight and look for the hole on the top of the back valve cover. Look to the right and below the coils. It's tough to see but you can see it. Be careful, sometimes the plastic line can be brittle and break.

Posted on Oct 01, 2009

Tnsiouxfalls
  • 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

  • 88 Answers

SOURCE: Putting vacuum lines back on

ther is usually a sticker on the fan shroud with a picture if not i should have a manual with it

Posted on Jan 24, 2010

  • 1 Answer

SOURCE: 1987 s10 chevy truck 4x4 not engaging

By the way, if that happens again (Same thing happened to me) It was inside the front diff. That vacuum actuator that sits on the passenger side that has a vacuum hose going up to it has a built in cable that plugs into the front diff. There are little springs that go bad and there is no tension on the cable. It retracts but doesn't engage the axle.

It's 3 bolts, then pry it open just enough to get access to the spring that holds the cable together. ;) That's how I fixed my problem permanently

Posted on Dec 02, 2010

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1 Answer

Chevy blazer problems


Hi Cecily,
There are several parts to a blazer 4x4.
First is the transfer case,When you push the button for four wheel, can you hear you it locking up,by pushing the buttons from 4x2 to 4x4 ?
If you here a slight clunking sounds its working. Next Blazers now have to lock in the front wheels. This is done by a vacuum assist. There is a vacuum line from the engine that runs over and under the battery.If it looks like it is attached at the engine, The next part is harder. You need to remove the battery to expose the servo valve that the vacuum is suppose to work.You can start the engine before taking the battery out, it will stay running. Pull the vacuum off the servo to see if its moving.if not replace it. if it is moving, there is a small relay mounted on the fire wall in the center of the fire wall, replace it.

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1 Answer

1989 2.8L chevy blazer 4x4 i need the vacuum diagram


Try your local LIBRARY. Online 1st and then their manuals.

Jan 28, 2014 | Chevrolet Cars & Trucks

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Where is the MAP sensor located on a 2001 Ford Escort ZX2?


i think its on the fire wall with a vacuum line going to the intake look at the vacuum line for splits the line fails more than the sensor

Jun 24, 2012 | 2001 Ford Escort ZX2

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2001 chevy s-10, has 4-wheel drive buttons on the dash. Will switch from 2 wheel to 4 wheel drive on its own. Any ideas as to what is going on?


I wouldn't hesitate to start by replacing the switch. They are know to go bad. It will simply pop out of the dash and unplug. You can find a new one for about $25 at your local NAPA or you can also find them at the dealer.

Aug 24, 2011 | 2001 Chevrolet Blazer

1 Answer

No cold air coming out


It sounds like vacuum is not getting to the vent, heat and A/C controls. Find the vacuum can. It may be under the hood on one of the inner fenders. Trace the lines back to the vacuum block at the intake manifold or fire-wall, and also back to where the line goes thru the fire-wall. Check the can for leaks or obvious holes. They used to be just a plain metal can, but it could be a plastic ball. Check the lines as you go for breaks and rub-thru's. Move the controls thru all settings and listen for vent door movement. Worst case is a bad vacuum motor or air flow position selector switch.

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Vacume line diagram for 2001 dodge grand caravan looking for the line that runs to the ac / heater,


It sounds like vacuum is not getting to the vent, heat and A/C controls. Find the vacuum can. It may be under the hood on one of the inner fenders. Trace the lines back to the vacuum block at the intake manifold or fire-wall, and also back to where the line goes thru the fire-wall. Check the can for leaks or obvious holes. They used to be just a plain metal can, but it could be a plastic ball. Check the lines as you go for breaks and rub-thru's. Move the controls thru all settings and listen for vent door movement. (Run the engine momentarily to build vacuum in the system.) Worst case is a bad vacuum motor or air flow position selector switch.

Aug 03, 2011 | 2001 Dodge Caravan

1 Answer

My f150 4x4 wont engage and i have already change the actuator at both wheels and the thing on the fire wall the vac lines go to and still no 4x4


You may need to work upwards from the wheels past the thing on the firewall. If the part on the firewall has vacuum lines coming out of it, then it must have a vacuum line going into it to provide the vacuum.

You need to trace the vacuum line and see if it has vacuum. You can unplug the line to test it by listening for the hiss as the engine runs or get a vacuum gauge or vacuum pump.

It may be something simple like a broken knob on the dash control that is slipping around the stem the knob attaches to.

Feb 27, 2010 | 2005 Ford F-150

3 Answers

1987 s10 chevy truck 4x4 not engaging


By the way, if that happens again (Same thing happened to me) It was inside the front diff. That vacuum actuator that sits on the passenger side that has a vacuum hose going up to it has a built in cable that plugs into the front diff. There are little springs that go bad and there is no tension on the cable. It retracts but doesn't engage the axle.

It's 3 bolts, then pry it open just enough to get access to the spring that holds the cable together. ;) That's how I fixed my problem permanently

Aug 03, 2009 | 1989 Chevrolet S-10 Blazer

1 Answer

4x4 not engaging


air line from under battery to fire wall falls to bits

Mar 18, 2009 | 2001 Chevrolet Blazer

1 Answer

79 cj7 i6 automatic NEED HELP WITH 4x4 VACUUM HOSES


the switch in your glove box is a( pto switch ) power take of switch two hoses go the trasfer case the third hose go to the acuator box that located low on the fire wall on the passenger side.

Feb 12, 2009 | Jeep CJ7 Cars & Trucks

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