Parts for your 2016 Ford Fiesta-Tx valve

2016 Ford Fiesta TX‑Valve: what’s fitted, what’s not

Short answer: a thermal expansion valve (TX‑valve) isn’t used on the 2016 Ford Fiesta. Ford’s own workshop literature and parts catalogues specify a CCOT (cycling‑clutch orifice‑tube) style air‑con system on this model, which uses a fixed orifice tube and an accumulator, not a TX‑valve. Technical references that confirm this include the Ford Workshop Manual (WSM) for Fiesta 2014–2017, Section 412‑00/412‑01 HVAC, which diagrams a fixed orifice tube and accumulator, the Ford/Motorcraft parts catalogue for 2016 Fiesta, which lists an A/C refrigerant flow orifice (orifice tube) and accumulator/drier but no expansion valve, and common service databases (e.g., Mitchell1/ALLDATA) that provide labour ops for orifice‑tube service on this vehicle, with no TX‑valve call‑outs.

Why did Ford choose no TX‑valve here? The Fiesta’s compact cabin and engine‑bay packaging make the CCOT layout a tidy, cost‑effective solution that regulates cooling by cycling the compressor clutch (or via a variable displacement compressor, model‑dependent) while the fixed orifice meters refrigerant. It’s robust, cheap to build, and simple to service—perfect for a light hatch.

So, if there’s no TX‑valve to replace, what should owners and techs look at during air‑con servicing?

• Inspect/replace the orifice tube if there’s poor cooling, compressor failure, or metal/debris in the system. A clogged tube strangles flow and mimics TX‑valve faults.
• Replace the accumulator/drier any time the system’s opened or a compressor is replaced—moisture control and debris capture are its job.
• Check condenser airflow (fans, fins, and debris) and the cabin pollen filter—both heavily influence vent temps.
• Recharge with the exact refrigerant type and weight shown on the under‑bonnet label, incorrect charge dramatically affects performance.
• In Australia and New Zealand, have A/C work carried out by an appropriately licensed refrigerant technician (e.g., ARCtick in AU).

Seeing a TX‑valve listed for a 2016 Fiesta in a generic parts catalogue? That’s a common cross‑listing error. Always verify by VIN and system layout: this model uses a fixed orifice tube at the liquid line/evaporator inlet and an accumulator on the low side—no TX‑valve fitted from factory.

Popular questions about a 2016 Ford Fiesta “TX‑valve”

Does a 2016 Ford Fiesta actually have a TX‑valve?
No. It uses a fixed orifice tube with an accumulator (CCOT system). If the air‑con’s underperforming, think clogged orifice tube, low charge, condenser airflow, or compressor control—rather than a faulty TX‑valve.

What part does the metering job if there’s no TX‑valve?
The fixed orifice tube. It meters refrigerant into the evaporator at a set rate. Compressor cycling or displacement control then fine‑tunes system pressure and cooling output.

When should the orifice tube or accumulator be replaced?
Replace them during compressor replacement, after a contamination event, or any time the system’s opened and moisture/debris are suspected. There’s no fixed interval, it’s condition‑based. A licensed A/C tech can confirm with pressure readings and component inspection.