Parts for your 2004 Ford Escape-Tx valve

2004 Ford Escape TX valve (thermal expansion valve) — is it used?

For the 2004 Ford Escape (petrol models), a TX valve isn’t fitted or used. Ford’s own Workshop Manual (Section 412-00, Climate Control, 2001–2004 Escape/Tribute) describes the air-conditioning as a Cycling Clutch Orifice Tube (CCOT) system that meters refrigerant with a fixed orifice tube and uses an accumulator/drier — there’s no expansion (TX) valve in this design. This layout is echoed in mainstream service information such as Mitchell1/ALLDATA A/C diagrams and parts data, and in Motorcraft and Four Seasons catalogues that list an orifice tube for the 2004 Escape but do not list a TX valve. Expansion valves do appear on later hybrid variants (from 2005), which use a different A/C architecture, but not on the 2004 non‑hybrid Escape.

Why no TX valve on this model? Ford widely used the CCOT setup in this era because it’s simple, robust, and cost‑effective. Instead of a variable metering device, the fixed orifice tube meters refrigerant flow, while a low‑pressure cycling switch turns the compressor clutch on and off to control evaporator temperature and prevent icing. The accumulator after the evaporator stores excess refrigerant, protects the compressor from liquid slugging, and contains desiccant to keep moisture in check.

So if someone’s chasing “TX valve” issues on a 2004 Escape, they’re really looking at components typical of a CCOT system. Common cooling faults often come back to:

• Low refrigerant charge from small leaks (look for oily residue at hose crimps and fittings).
• A restricted orifice tube (debris on the tube’s mesh, sometimes from compressor wear).
• A weak condenser fan or airflow problem over the condenser.
• A faulty low‑pressure cycling switch or poor clutch operation.

Service tips for this model: when the system has been opened or contamination is suspected, replacing the accumulator/drier and the orifice tube together is standard practice. The orifice tube sits in the liquid line between the condenser and the evaporator (position varies slightly by engine build), and it can usually be extracted once the line is separated. Always use the specified PAG oil and the exact R‑134a charge weight shown on the under‑bonnet label, renew the correct green HNBR O‑rings, pull a proper vacuum to remove moisture, and confirm condenser fan operation. This approach addresses the real metering device on the vehicle and avoids chasing a TX valve that simply isn’t there.

• Note: If the vehicle is a later Escape Hybrid (not 2004), the system architecture and metering device can differ and may indeed use a TX valve.

Popular questions about the 2004 Ford Escape TX valve

Does a 2004 Ford Escape have a TX valve or an orifice tube?
It has a fixed orifice tube, not a TX valve. The Ford Workshop Manual and mainstream service databases show a CCOT system with an orifice tube and accumulator on 2004 non‑hybrid models. If a parts search turns up a TX valve for this year, it’s usually a catalogue mix‑up with later hybrid variants.

Where is the metering device (orifice tube) on a 2004 Escape?
It’s located in the liquid line between the condenser and the evaporator. Access points vary slightly by engine and build, but technicians typically find it at a line joint in the engine bay — remove the line, and the small plastic/metal orifice tube with a mesh screen slides out with needle‑nose pliers and a dedicated puller if needed.

Can a TX valve be retrofitted to a 2004 Escape?
It’s not a practical retrofit. Converting a CCOT system to a TXV style would require major component and control changes (evaporator/lines, controls, possibly the compressor strategy). For better performance, the sensible route is to ensure the CCOT system is healthy: correct charge, clean condenser, good fan operation, and a fresh orifice tube and accumulator when contamination is present.