Question about 1997 Ford Windstar

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97 ford windstar 3.8

Where is the orifice tube located aka expansion tube

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  • Anonymous Jun 02, 2008

    Ocassionally, when switching on the AC the heating system comes on. I open the side panel back of the driver seat and could see that the arm that goes in and out to switch from heating to cooling does not work. Once in a while I bang the side then sometimes it functionI. What part do I have to change.




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Oriface is a pipe like structure in which pressure of the liquid is increased

Posted on May 31, 2008

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Mnay ford have the orifice tube built with the liquid line as an assembly
the liquid line goes from the a/c condenser to the a/c evaporator
and the evaporator is inside the dash board but the liquid line is in the engine comparmet

Posted on May 31, 2008


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Hey everybody. I need to change ac expansion valve on 2004 trailblazer. Does anybody have pics or schematic on location of this

This vehicle doesn't use an expansion valve. It uses an expansion orifice tube. It's located in the liquid line going into the evaporator.

Aug 05, 2017 | AC Cars & Trucks

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Orifice tube location on a 2002 chrysler 300m

2002 Chrysler 300 has an expansion valve instead of an orifice tube which is used to meter the flow of refridgerant. It is located on the firewall attached to the AC manifold hose assembly 4e13a00d-e237-447d-9c7e-ef4684c71d0b.jpg 452a74e8-1d11-479f-9e19-3d118dc43633.jpg

#10 is expansion valve and #3 is the hose assembly..follow AC hoses from compressor to the firewall and it will take you to the expansion valve

Jul 13, 2014 | Cars & Trucks

1 Answer

Location of a/c orifice tube

the freon under pressure arrives at the fire wall
passes through there, to the A/C evap. core (BOX)
just before this core, is the thermal expansion valve. (aka orifice)
this valve limits the core from icing up. (capillary tube short line is there to core, thus the close proximity)

if unsure,
login to
and see HVAC section. it's all there. to read.

May 29, 2014 | 2005 Chevrolet Equinox

1 Answer

How to replace the oriface tube on a 2001 ford windstar

Remove condenser-to-evaporator refrigerant line. Separate line to expose fixed orifice tube. Pour small amount of clean refrigerant oil into cavity to aid removal. Engage Fixed Orifice Tube Remover/Replacer), hold tool body and turn "T" handle to draw out fixed orifice tube. To install, reverse removal procedure. Use new "O" rings coated with clean refrigerant oil.

Jan 25, 2013 | 2001 Ford Windstar

1 Answer

What the best way to get the orifice tube in my 2003 ford windstar.


Jun 26, 2011 | Ford Windstar Cars & Trucks

1 Answer

We are trying to either get a diagram for an 2002 chevy impalas ac system,or the location of the orifice tube.please help.

It is located inside the condensor tube running to the evaporator.

Here are the removal/installation instructions as per alldata:


J 39400-A Halogen Leak Detector
J 26549-E Orifice Tube Remover

-Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
-Remove the air cleaner assembly.
-Remove the vacuum brake booster.
-Remove the condenser tube.
-Use J 26549-E in order to remove the expansion orifice tube. IMPORTANT: DO NOT use any solvents or chemicals to clean the porous plastic inlet filter of the expansion orifice tube.
-Inspect the expansion orifice tube for the following conditions and clean or replace with a new tube as indicated:
-Broken plastic frame (1); replace the tube.
Inlet filter (3) damaged or plugged with fine gritty material; replace the tube.
Inlet filter (3) coated with metal chips, flakes, or slivers; remove the coating with low pressure shop air ONLY and reuse if the filter is cleaned satisfactorily. Do NOT reuse the O-ring seals (2).


IMPORTANT: Lubricate the new O-ring seals (2) with mineral base 525 viscosity refrigerant oil.
If you reuse the orifice tube, install new O-ring seals (2).
Carefully grasp the edge of the expansion orifice tube (1) without touching the inlet filter (3) and insert the expansion tube into the condenser tube until fully seated.
-Install the condenser tube.
-Install the vacuum brake booster.
-Install the air cleaner assembly.
-Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
-Leak test the fittings of the component using J 39400-A.

Aug 20, 2010 | 2002 Chevrolet Impala

1 Answer

A/c low pressure quick disconnect location? 1999 ford expedition

on the tube between the firewall and the a/c compressor. On some Fords the low pressure port is on the dryer2_bing.gif (aluminium cylinder). Good news is the low pressure and high pressure port are different sizes. You cannot mess it up.

Remember the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP2_bing.gif liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer back to the compressor suction

May 29, 2010 | 1999 Ford Expedition

1 Answer

2002 Ford Expedition Eddie Bauer 5.4l Dual A/C Are there 2 orifice tubes in the split unit? Where are they located? Is there a diagram available showing the tubes in the system?

There is one orifice tube for the font air. It is located in the a/c line coming from the condenser to the evap. core. the rear a/c has and expansion valve attached to the rear evap. core. Hope this helps.

Oct 07, 2009 | 2002 Ford Expedition

2 Answers

97 suburban rear a/c doesnt get cold but front works great

the expansion valve is in the rear ac housing and it is bolted directly to the rear evaporator. it is an actual expansion valve and not an orifice tube. the part is about $45. the interior on the passenger side has to come out along with the entire rear ac sytem.

Jul 18, 2009 | 2004 Chevrolet Suburban

1 Answer

Expansion valve location

raven 1g: Your car doesn't use an expansion valve. It uses a fixed orifice tube which is located in the smaller of the two A/C lines, just before they enter the cabin area of the car.
Just disconnect the line and pull the orifice tube out of the line. Be careful not to break off anything and leave it in the line.

May 10, 2009 | 1999 Mazda 626

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