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.
2007 Ford Explorer 4.6 8, 4WDFACTORY OEM SERVICE PROCEDURE
A/C System
GENERAL SPECIFICATIONS
| Item | Specification | ||
|---|---|---|---|
| A/C Compressor Without Auxiliary A/C | |||
| Type | Halla FS18 piston | ||
| Displacement | 180 cc (11 cu in) | ||
| Rotation | Clockwise | ||
| A/C Compressor With Auxiliary A/C | |||
| Type | Halla FS20 piston | ||
| Displacement | 213 cc (13 cu in) | ||
| Rotation | Clockwise | ||
| A/C Pressure Relief Valve (1) | |||
| Open pressure | 3,792-4,137 kPa (550-600 psi) | ||
| Evaporator Core Orifice Without Auxiliary A/C | |||
| Color | Red | ||
| Evaporator Core Orifice With Auxiliary A/C | |||
| Color | Black | ||
| Magnetic | Clutch | ||
| Air gap clearance | 0.35-0.65 mm (0.014-0.026 in) | ||
| A/C Cycling Switch (1) | |||
| Open status | 145-159 kPa (21-23 psi) | ||
| Closed status | 290 kPa (42 psi) | ||
| Refrigerant Lubricant and Capacity | |||
| PAG Refrigerant Compressor Oil (R-134a Systems) YN-12-D | WSH-M1C231-B | ||
| Capacity without auxiliary climate control | 266 ml (9 fl oz.) | ||
| Capacity with auxiliary climate control | 473 ml (16 fl oz.) | ||
| Refrigerant and Capacity | |||
| R-134a Refrigerant YN-19 (US); CYN-16-P or CYN-16-R (Canada) | WSH-M17B19-A | ||
| Capacity without auxiliary climate control | 0.88 kg (31 oz.) | ||
| Capacity with auxiliary climate control | 1.33 kg (47 oz.) | ||
| Refrigerant System Chemicals | |||
| Refrigerant System Cleaner | A/C Systems Flushing Solvent YN-23 | ||
| Refrigerant System Coating | A/C Cooling Coil Coating YN-29 | ||
| Refrigerant System Dye | R-134a Leak Detection Dye 164-R6060 or 164-R6081 | ||
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Factory Service Tools
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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.
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