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Home >> Ford >> 2003 >> ZX2 Automatic >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System-General Information >> Specifications >> General Specifications
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General Specifications

General Specifications Chart

Item Specification
A/C Compressor 
Type SC90V Variable Scroll
Displacement 90 cc (5.5 cu in)
Rotation Clockwise
A/C Pressure Relief Valve (1)
Open pressures 3,792-4,137 kPa (550-600 psi)
A/C Pressure Sensor N/A
Coolant Hose Lubricant 
MERPOL® HSE-M99B144-B
Evaporator Core Orifice Tube - 2.0L Zetec 
Color Green
Diameter 13.21 mm (0.52 in)
Magnetic Clutch 
Air gap clearance 0.35-0.75 mm (0.014-0.030 in)
Dual Function Pressure Switch (1)
Fan on/open 1,565-1,772 kPa (227-257 psi)
Fan off/close 1,138-1,620 kPa (165-235 psi)
Clutch off/open 2,896-3,172 kPa (420-460 psi)
Clutch on/close 1,517-1,931 kPa (220-280 psi)
A/C Cycling Switch Open and Closed Pressures (1)
Open pressure 144-159 kPa (21-23 psi)
Close pressure 290 kPa (42 psi) maximum
Refrigerant Lubricant and Capacity 
PAG Refrigerant Compressor Oil (R-I34a Systems) K7AZ-119589-DA (Motorcraft YN-12-C) WSH-M1C231-B
Capacity 207 ml (7 oz)
Refrigerant and Capacity 
R-134a Refrigerant YN-19 WSH-M17B19-A
Capacity - 2.0L Zetec 0.68 kg (24 oz)
Refrigerant System Cleaner 
A/C Systems Flushing Solvent F4AZ-19579-A -
(1) Manifold gauge set pressures may vary slightly, depending on the distance between the service gauge port valve and the A/C pressure relief valve, the A/C cycling switch, or the dual function pressure switch location.