There will be one on each tire (assuming you have normal tires), one on the AC "high" side, one on the AC "low" side (for testing and filling refrigerant) and possibly one on the fuel rail for testing fuel pressure. The fuel rail is on the engine, near the top.
It is the air valve on the tire, where you put air into the tire.
A Schrader valve is the same type of valve you use to fill your car or bike tires with. On the fuel line of a car it is used to release the fuel pressure from the lines so you can safely change the fuel lines, pump, or filters. I am not Sure if it is different on different years but the schrader valve on my 1986 Ford F150 with the 302 Fuel Injection is on the fuel rail just behind the distributor cap it my have it may or my not have a black cap on it.
It is located at the passenger side rear of the valve cover under the intake manifold.
Answering "How do you remove and replace the radiator in a 1994 ford F-150?"
Where can you find a audio wiring diagram for a 1994 Ford F150?
There isn't an "AC drain line". Refrigerant is recovered through the schrader valve on the high pressure side. Servicing an AC system is not a "do-it-yourself" task, especially when it comes to recovering, handling, and storing refrigerant.
Yes , that was one of the engines offered in a 1994 F-150
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Remove the vacuum hose from the modulator valve. If you see any fluid in the valve or the hose, it is defective.
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On the clutch slave cylinder
Under hood, center, upper engine area, mounted in rear of valve cover
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Usually on valve cover with vac hose to carb.
Should be located on the intake manifold.
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You lucked out. EGR valve circ insufficient-meaning bad valve or no vac to valve, etc. A cheap repair and not a critical item. It's for emissions.
I have a ford E150 ford Traveler,and my pump went bad, my bro in law has a 1994 E-150 ford universal van and he said that I can have it for parts will the tank fit on my fordvan?
inside the in tank fuel pump.
Bottom of the valve body. Remove tranny pan to get at it