Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1017 (HVAC CONTROL SYSTEM)REMOVAL AND INSTALLATIONTHERMOSTATIC EXPANSION VALVENOTES
2010 Mercury Mariner Hybrid, AWD
Thermostatic Expansion Valve: Notes
2010 Mercury Mariner Hybrid, AWDSECTION Notes
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
Material
| Item | Specification |
|---|---|
| PAG Refrigerant Compressor Oil (R-134a Systems) YN-12-D |
WSH-M1C231-B |
| Item | Part Number | Description |
|---|---|---|
| 1 | W520413 | Thermostatic expansion valve (TXV) fitting nut |
| 2 | 19B596 | TXV fitting gasket seal kit (2 pieces required from kit) |
| 3 | - | TXV bolt (2 required) (part of 19849) |
| 4 | 19849 | TXV |
| 5 | 19E889 | O-ring seal |
| 6 | 19E889 | O-ring seal |
| 7 | - | TXV fitting stud (part of 19849) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.