Parts for your 2014 Ford Falcon-Tx valve

2014 Ford Falcon TX Valve — What it does and when to replace it

Yes — a TX valve is used on the 2014 Ford Falcon. Technical sources including the Ford FG/FG X Falcon Workshop Manual (Section 412‑00 Climate Control), Ford’s electronic parts catalogue (Microcat/EPC listing “Valve — Refrigerant Expansion” for FG MkII/FG X), and Australian aftermarket catalogues from brands such as Jayair/CoolDrive and Ashdown‑Ingram all identify a thermal expansion (TX) valve fitted at the evaporator inlet on BA/BF/FG‑series Falcons, including MY2014.

On the 2014 Falcon, the TX valve’s job is to precisely meter refrigerant into the evaporator based on temperature and pressure, keeping the evaporator just above freezing and the cabin nice and cool. By controlling superheat, it protects the compressor from liquid slugging and helps stabilise vent temperatures, especially in stop‑start traffic and on scorching Aussie or Kiwi summer days. The Falcon uses an H‑block style TX valve at the evaporator connection on the firewall side, making it a key control device in the R‑134a system.

There’s no routine “service” for a TX valve itself, but it should be inspected for performance issues and replaced if it sticks, leaks, or is contaminated (often after a compressor failure). Typical signs that point to a crook TX valve include:

• Poor cooling at idle or fluctuating vent temps
• Frosting at the evaporator/lines or unusual hissing
• High low‑side pressure with warm air, or very low low‑side with line freeze

Replacement is a straightforward job for an ARCtick‑licensed technician: recover the refrigerant, remove the line fittings, swap the H‑block TX valve and O‑rings, evacuate, and recharge to the Falcon’s specified R‑134a charge on the under‑bonnet decal. It’s best practice to replace the receiver‑drier/desiccant (integrated with the condenser on many FG/FG X models) whenever the system is opened, and to use the correct PAG oil type and quantity as per the workshop manual. If the old compressor failed, the tech should flush the lines and condenser (or replace if non‑flushable) to keep debris from jamming the new valve.

Because access, sealing surfaces, and cleanliness are critical for a long‑lasting repair, DIY isn’t recommended. A proper vacuum, accurate charge weight, and leak testing with the right equipment will keep the Falcon’s air‑con icy and reliable.

Popular questions about the 2014 Ford Falcon TX valve

Does a 2014 Ford Falcon use a TX valve or an orifice tube?
It uses a TX valve. The FG/FG X platform is documented with a thermal expansion valve at the evaporator inlet in both Ford workshop literature and local parts catalogues. An orifice‑tube/accumulator layout isn’t used on this model year Falcon.

What are the common symptoms of a failing TX valve on a 2014 Falcon?
Expect weak or erratic cooling, vents going cold then warm, frosting on the evaporator lines, and odd pressure readings. A valve stuck open can flood the evaporator and hurt performance, stuck closed can starve it and cause freeze‑ups and low suction pressure.

Should the drier be replaced when fitting a new TX valve?
Yes. Any time the system is opened, the receiver‑drier/desiccant should be renewed. On many FG/FG X Falcons, the drier is built into the condenser, so the service may involve replacing the condenser or its cartridge, then evacuating and recharging to spec.