Ford F150 Pickup. Instruction — part 1711
Fig. 15: Disconnecting Vacuum Line
Courtesy of FORD MOTOR CO.
7. Remove the plenum chamber top.
1. Remove the 15 screws.
2. Remove the plenum chamber top.
2003 Ford Pickup F150
2003 HVAC Heating And Ventilation - F150 Pickup
Fig. 16: Removing Plenum Chamber Top
Courtesy of FORD MOTOR CO.
8. Remove the blend door assembly from the case.
9. Remove the heater core.
2003 Ford Pickup F150
2003 HVAC Heating And Ventilation - F150 Pickup
Fig. 17: Identifying Heater Core
Courtesy of FORD MOTOR CO.
10. To install, reverse the removal procedure.
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Lubricate the coolant hoses with coolant hose lubricant or plain water only, if needed.
2003 Ford Pickup F150
2003 HVAC Heating And Ventilation - F150 Pickup
2003 SPECIFICATIONS
F150 Pickup
AIR CONDITIONING
AUTOMATIC SYSTEM
Service Specifications
AUTOMATIC A/C SYSTEM SPECIFICATIONS
Application
Specification
Compressor Type
FS-10 Swashplate, 5 Double-Acting Pistons
Compressor Belt Tension
(1)
Compressor Displacement
10.4 cu. in. (170 cc)
Compressor Oil Capacity
(2)
Normal Refrigerant Discharge Pressure
(3)
148-263 psi. (331-1813 kPa)
Normal Refrigerant Suction Pressure
(3)
32.5-52.5 psi. (224-362 kPa)
System Oil Capacity
(4)
9 ozs.
Refrigerant (R-134a) Capacity
33 ozs.
A/C Pressure Relief Valve Opening Pressure
550-600 psi (3792-4137 kPa)
A/C Cycling Switch
Close
42 psi (290 kPa)
Open
21-23 psi (145-159 kPa)
Orifice Tube
Color
Blue
Diameter
.067" (1.70 mm)
Pressure Cut-Off Switch
Close
230-290 psi (1586-2000 kPa)
Open
435-475 psi (2999-3275 kPa)
(1)
Serpentine belt tension is automatically adjusted by tensioner pulley.
(2)
Rotate A/C compressor shaft 6-8 revolutions while collecting oil in a clean measuring device. If
amount of oil drained from old A/C compressor is between 3-5 ounces (85-142 ml), pour same
amount plus one ounce (30 ml) of clean PAG Refrigerant Compressor Oil (R-134a Systems) or
equivalent into new A/C compressor. If amount of oil that was removed from old A/C compressor is
greater than 5 ounces (142 ml), pour same amount drained of clean PAG Refrigerant Compressor Oil
(R-134a Systems) or equivalent into new A/C compressor. If amount of oil that was removed from
old A/C compressor is less than 3 ounces (85 ml), pour 3 ounces (85 ml) of clean PAG Refrigerant
Compressor Oil (R-134a Systems) or equivalent into new A/C compressor.
(3)
Specification is with ambient air temperature at 80°F (27°C) and humidity at 30-60%.
(4)
Use YN-12c PAG Refrigerant Oil (Part No. F7AZ-19589-DA).
2003 Ford Pickup F150
2003 SPECIFICATIONS F150 Pickup
2003 Ford Pickup F150
2003 SPECIFICATIONS F150 Pickup
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