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Need a diagram for the vacumn hoses - 1999 Ford Taurus

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Misses when idles but when you give gas stops

Posted on Dec 16, 2012

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Posted on Jan 02, 2017

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Hi a please need a diagram of the vacuum hoses the small pipes going to all sensors please on the ford focus 1.8 tdci


sorry cannot help here ,i do know that they run off the vacumn pump and one goes the fuel vapour recovery and another goes to the vacumn unit on the EGR valve .After working all day my brain hurts ,well its going into sleep mode at least ,but from what i recall on my escort 1.8 diesel anyway their is also another one that goes to the injector pump to increase idle when AC is turned on .but a later focus with common rail wouldnt have this .

Jun 22, 2017 | Ford Cars & Trucks

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Vacumn line diagram for 03 durango 4.7 L 2 wd


look under the hood, the diagram is always there affixed with a sticker.

Sep 09, 2014 | 2003 Dodge Durango

1 Answer

1996 olds 98. the blower motor is stuck on defrost and floor.all the buttons light up when pressed. it does change from hot/cold.


Hello hippy3369: My name is Roger and I will help. If the controls appear to be working and the air is fixed on the floor and out the defrost vent. Your problem most likely is under the hood of the car. Open the hood.Look fr a vacumn hose from the intake manifold and the fire wall. This hose should be around 5/16 of an inch. It wil run from the engine to a vacumn tank . Look in the center of the firewal just on the passenger side of the brake booster. The hose is prone to deteriation and will break causing a vacumn leak. This leak is the source of vacumn to the A/C controls. Replace the hose and you should be back to staying cool. The control head could also be the problem.But the most likely is the hose under the hood. Should you need further help please just ask. Please rate the answer as this way I know it was useful. Thank You for using Fix Ya. Roger

Jul 21, 2010 | 1987 Oldsmobile Ninety Eight

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Heater and Air conditioner work bur air flows from window vents only. Can't change direction of air flow to different vents.


There may be a couple of items to look at here.... but the most common problem is a source of vacumn to the pneumatic operation of the heat/a/c vent doors....if vacumn is not distributed properly to the vents you command it is assumed that there is either no vacumn to the selector swith panel(broken vac. line,kinked vac. line, defective in dash a/c control panel) or under the hood a defective vac./heater control valve that is stuck,frozen, not allowing the vacumn to pass through it to supply the indash pneumatic controls and/or panel.
Most vacumn systems that i have ever came in contact with incorporate a vacumn supply tank(nothing more then a round plastic vac. resevoir) which is used in sequence with the a/c heater controls, its purpose is to keep an even vacumn supply to all command points continously while the vehicle is being driven, without this supply one will experience the a/c coming from various different non selected dash vents upon acceleration, this is a direct relation to the tank either being defective(leaking vacumn) or its supply hose(usually vey tiny rubber/plastic tubes) being pinched or broken not allowing the vacumn to the supply tank.
listen for vacumn leaks(hissing sound), look for the obvious...broken vacumn lines or hoses, also check for a defective one way vacumn valve on some pneumatic controlled door vent systems(these valves are inserted in a vacumn line one side being the ""in" port and the other side of it being the "out" flow port,typically if these dont work the vents will also devert your a/c or heat all different ways through your dash.
to check these valves, simply remove from the vacumn hose, and apply vacumn to one side,if vacumn flows through the valve, apply the same vacumn to the opposite side of the plastic valve, if vacumn flows through on the opposite side the valve is bad, it should only allow flow from one side not the other. These valves are small and are usually white or black plastic and look like the old vacumn dash pots used on the old carbureated engines only smaller with one small hose in and one small hose out.

May 16, 2010 | 2004 Buick Rainier

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Lost vacuum at defrost & vent & floor control.


It does not hook to throttle body , it hooks to a vacumn port on the intake manifold. Follow hose from cruise control module to the tee-three-way connector on firewall. Over time the tee will fall apart and will leak One hose goes to the vacumn port, one to cruise module,one to ac contols.

Jun 27, 2009 | 1994 Buick Skylark

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1989 jeep 4.2 engine vacuum hoses


I can't tell you were to get one, except at a dealer, but what you need is a vacumn diagram. They are similar to an wiring diagram.
Bill

Nov 10, 2008 | 1989 Jeep Wrangler

1 Answer

Vacumn hoses


if u mean a plastic tube the runs from the bellow on the throttle body to the rear cylinder head , just below the coil pack,,, metal tubes are the gas lines or the injector rails , and bottom of the EGR valve has to metel tube the runs the exhsust manifold,, your under hood decal should have your Vaccum diagram on it.. if thats the breather tube your engine should being running very rich= burning a lot of Gas!!!

Jul 02, 2008 | 1997 Chevrolet Venture

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