Parts for your 2015 Ford Falcon-Tx valve

2015 Ford Falcon TX Valve: What It Does and How to Look After It

Based on recognised technical sources — Ford Falcon FG X Workshop Manual (HVAC 412-00), DENSO Australia A/C application data, and major Australian parts catalogues (Jayair/Jayrad, Repco, NAPA) — the 2015 Ford Falcon (FG X) air-conditioning system uses a thermostatic expansion valve (TX valve) at the evaporator inlet, not a fixed orifice tube. It’s an R134a system with a receiver-drier integrated with the condenser, typical of TXV-style layouts.

The TX valve meters refrigerant into the evaporator, responding to outlet superheat so the core runs cold without flooding the compressor. When it’s spot on, cabin temps stabilise quickly, fuel use stays tidy, and the compressor is protected. If the valve sticks or blocks, owners may notice weak cooling at idle, icy lines and fluctuating vent temps, or compressor cycling its head off.

For servicing, the TX valve isn’t a routine replacement item, it’s replaced when diagnostics point to a metering fault or contamination. On the FG X, access involves the evaporator connection at the firewall and careful work around the evaporator block. Because this is a sealed refrigerant system, all work must be carried out by an ARCtick-licensed A/C technician in AU/NZ.

• Best practice when replacing the TX valve: recover the charge, cap open lines, fit new OE-quality valve, renew all O-rings, and lubricate with the Ford-specified PAG oil.
• If the compressor has failed or there’s black death/debris, the system needs thorough cleaning, a new condenser (parallel-flow cores can’t be properly flushed), receiver-drier, and often the TX valve to avoid repeat failures.
• Always evacuate the system to deep vacuum, leak-test (nitrogen and trace), then charge by weight to the figure on the under‑bonnet decal. Guessing by pressure isn’t good enough on a TXV setup.

Symptoms a tech will check before calling a TX valve faulty include low suction with high head pressure, frosting at the valve/evaporator inlet, and erratic superheat. They’ll also rule out a weak condenser fan, over/undercharge, blend-door issues, and a blocked cabin filter.

Look after the rest of the system — keep the condenser fins clean, replace the receiver-drier whenever the circuit’s opened, and run the A/C regularly — and the Falcon’s TX valve will usually clock up years of easy service.

• Does a 2015 Ford Falcon have a TX valve or an orifice tube?
  The FG X Falcon runs a TX valve at the evaporator inlet with a receiver-drier condenser. Multiple technical references for FG/FG X list a dedicated TXV, not an orifice tube and accumulator layout.
• What are common signs the TX valve needs replacing on a 2015 Falcon?
  Weak cooling at idle, line frosting at the firewall, rapidly changing vent temps, low suction and high head pressures, or metal/debris found in the system. Proper diagnosis is essential to avoid parts-cannon repairs.
• Can a TX valve be cleaned instead of replaced?
  If contamination is present, replacement is the reliable fix. Cleaning rarely restores precise metering, and any residual debris can quickly undo the job. Pair valve replacement with drier replacement and system cleaning as required.