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How much refrigerant - 2001 Ford Taurus

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  •  John T. McCranie
    John T. McCranie Nov 23, 2013

    For 1996-2001 Ford Taurus/Mercury Sable, if the system has been totally discharged (ie) leak repair or component replacement, the answer is 34 oz. if you're using a drum & charging cylinder or digital scale. Now, if you're using cans I recommend (3) 12oz cans. Yes this is 36ozs but, each time you change a can you will loose just a little. Don't forget to invert the can & please don't "dump" the contents of the can as fast as you can. Have a little mercy on your compressor. First & foremost don't forget to evacuate the system. If you don't have access to a vacuum pump then pay someone to evacuate & charge it for you. Most don't know that air mixes with many refrigerants under the heat of compression to form acid. That's right, ACID! Just think what that's gonna do to your systems life. I actually saw a (how to charge) posting recently where a supposed technician said to put in a can (on a top off) & if it wasn't cold enough add another can. Now this method is what many call (close enough) & is just fine as long as you don't mind shelling out several hundred more dollars for a new compressor because all that extra liquid refrigerant broke the valves in your compressor. Don't be in a hurry & don't be cheap, it's fine to save a little money as a DIY, but do it right & reap the benefits for years to come!

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You want to read this slowly... and all the way through...

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1 Answer

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How do i remove the ac condenser on a mazda 3


B3E071161450W02
1. Disconnect the negative battery cable.
2. Discharge the refrigerant. (See REFRIGERANT CHARGING.)
3. Remove the splash shield.
4. Remove the A/C drive belt. (See DRIVE BELT REPLACEMENT [LF].)
5. Detach the two wiring harness clamps.
6. Disconnect the magnetic clutch connector.
7. Remove the A/C compressor protector.
8. Disconnect the cooler hose (LO) and cooler hose (HI). Do not allow remaining compressor oil in the refrigerant line to spill. (See Refrigerant Line Removal Note.) (See Refrigerant Line Installation Note.)
Caution • If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts. 9. Remove the compressor protector.
10. Remove in the order indicated in the table. Do not allow remaining compressor oil in the A/C compressor to spill.
Caution • If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
b3e0711w427.png

11. Install in the reverse order of removal.
12. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST.)
A/C Compressor Installation Note 1. When replacing the A/C compressor, remove the following amount of compressor oil from the new A/C compressor.
Amount drained (approx. quantity) • 155 ml {155 cc, 5.24 fl oz} - [compressor oil from old A/C compressor + 15 ml {15 cc, 0.5 fl oz}]

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2 Answers

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go to car-part.com to find prices of condensor from salvage yards. Page with asterisk on it is the lowest priced part.

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The Refrigerant Cycle
During stabilized conditions (air conditioning system shutdown), the refrigerant is in a vaporized state and pressures are equal throughout the system. When the A/C compressor (19703) is in operation it increases pressure on the refrigerant vapor, raising its temperature. The high-pressure and high-temperature vapor is then released into the top of the A/C condenser core (19712).
The A/C condenser core, being close to ambient temperature, causes the refrigerant vapor to condense into a liquid when heat is removed from the refrigerant by ambient air passing over the fins and tubing. The now liquid refrigerant, still at high pressure, exits from the bottom of the A/C condenser core and enters the inlet side of the A/C evaporator core orifice (19D990).
The A/C evaporator core orifice is the restriction in the refrigerant system that creates the high pressure buildup in the A/C evaporator core (19860) and separates the high and low pressure sides of the A/C system. As the liquid refrigerant leaves this restriction, its pressure and boiling point are reduced.
The liquid refrigerant is now at its lowest pressure and temperature. As it passes through the A/C evaporator core, it absorbs heat from the passenger compartment airflow passing over the plate/fin sections of the A/C evaporator core. This addition of heat causes the refrigerant to boil (convert to gas). The now cooler passenger compartment air can no longer support the same humidity level of the warmer air and this excess moisture condenses on the exterior of the evaporator coils and fins and drains outside the vehicle.
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The refrigerant cycle is now repeated with the A/C compressor again increasing the pressure and temperature of the refrigerant.
The A/C cycling switch (19E561) interrupts compressor operation before the external temperature of the A/C evaporator core gets low enough to cause the condensed water vapor (excess humidity) to turn to ice. It does this by monitoring low side line pressure. It is known that a refrigerant pressure of approximately 210 kPa (30 psi) will yield an operating temperature of 0°C (32°F). The A/C cycling switch controls system operation in an effort to maintain this temperature.
The high side line pressure is also monitored so that A/C compressor operation can be interrupted if system pressure becomes too high.
The A/C compressor pressure relief valve (19D644) will open and vent refrigerant to relieve unusually high system pressure.
Clutch Cycling Orifice Tube Type Refrigerant System 75cc8eb.gif
Item Part Number Description 1 19E762 A/C charge valve port (low side) 2 19E561 A/C cycling switch 3 19C836 Suction accumulator/drier 4 19703 A/C compressor 5 19D644 A/C compressor pressure relief valve 6 19D594 A/C pressure cut-off switch 7 19E762 A/C charge valve port (high side) 8 19712 A/C condenser core 9 19D990 A/C evaporator core orifice 10 19860 A/C evaporator core 11 — Low pressure vapor 12 — High pressure vapor 13 — Low pressure liquid 14 — High pressure liquid

  1. Connect the R-134a A/C Refrigerant Center to the low- and high-pressure service gauge port valves.
  2. Evacuate the system until the low-pressure gauge reads at least 99.4 kPa (29.5 in-Hg) (vacuum) and as close as 101.1 kPa (30 in-Hg) as possible. Continue to operate the vacuum pump for a minimum of 45 minutes.
  3. Turn off the evacuation pump. Observe the low-pressure gauge for five minutes to make sure that the system vacuum is held. If vacuum is not held for five minutes, leak-test the system, service the leaks, and evacuate the system again.
  4. Correctly oil match the system to verify that the correct amount of refrigerant oil is present in the system. For additional information, refer to Refrigerant Oil Adding in this section.
  5. Charge the system with the specified weight of refrigerant and refrigerant oil.
  6. When no more refrigerant is being drawn into the system, start the engine and select MAX A/C operation. Set the blower motor speed to maximum and allow the remaining refrigerant to be drawn into the system. Continue to add refrigerant into the system until the specified weight of R-134a has been added. Close the charging cylinder valve and allow the system to pull any remaining refrigerant from the hose. When the suction pressure drops to approximately 207 kPa (30 psi), close the charging hose valve.

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