The details are for Ford and Mercury vehicles.
The Ac refrigerant when leaks,it cause low or no cooling problem and in some cases overheating issues.
For this AC refrigerant Leak area has to be rectified.
The instructions are as follows :----
Leak Testing
ELECTRONIC LEAK DETECTOR
FLUORESCENT DYE LEAK DETECTION
Using A Dye Injector Loop Kit
Using An A/C Refrigerant Center And Dye Injector
Car repair guide?
http://technoanswers.blogspot.in/2012/03/car-repair-guide.html
For car AC related and Heater related solutions. You can refer the options mentioned below:---
Car AC Blows Warm Air ?
How to test AUTO AC pressure?
AUTO Air Conditioning Troubleshooting?
AUTO A/C COOLING PROBLEM?
Fixing refrigerant leak?
How to locate Car AC Refrigerant leak?
CAR AC INTERMITTENT COOLING?
What causes INTERMITTENT COOLING on Car AC system?
Car AC making Noise?
BAD ODOR ON CAR AIR CONDITIONER?
How to Recharge Car's Air Conditioner
The Ac refrigerant when leaks,it cause low or no cooling problem and in some cases overheating issues.
For this AC refrigerant Leak area has to be rectified.
The instructions are as follows :----
Leak Testing
ELECTRONIC LEAK DETECTOR
FLUORESCENT DYE LEAK DETECTION
Electronic Leak Detector
Specific to:
Ford Taurus 2008-2009
Mercury Sable 2008-2009
NOTE
Good ventilation is necessary in the area where electronic A/C leak testing is to be carried out.
NOTE
The system pressure should be between 413-551 kPa (60-80 psi) at 24°C (75°F) with the engine off.
- Leak test the refrigerant system using the leak detector. Follow the instructions included with the leak detector for handling and operation techniques.
- If a leak is found, recover the refrigerant and repair the system.
- Test the system for normal operation.
Fluorescent Dye Leak Detection
Specific to:
Ford Taurus 2008-2009
Mercury Sable 2008-2009
NOTE
These vehicles are produced with R-134a fluorescent dye installed in the refrigerant system from the factory. The location of leaks can be pinpointed by the bright yellow-green glow of the fluorescent dye under a UV lamp. Since more than one leak can exist, make sure to inspect each component, line and fitting in the refrigerant system for a leak.
- Check for leaks using a Rotunda-approved UV lamp.
- Inspect all components, lines and fittings of the refrigerant system.
- If a leak is found, recover the refrigerant and repair the refrigerant system leak.
- Evacuate and charge the refrigerant system.
- After the leak is repaired, remove any traces of fluorescent dye with a general purpose oil solvent.
- Verify the repair by running the vehicle for a short period of time and rechecking the area of the leak with a Rotunda-approved UV lamp.
Specific to:
Ford Taurus 2008-2009
Mercury Sable 2008-2009
NOTE
Fluorescent refrigerant system dye is added to the refrigerant system at the factory to assist in refrigerant system leak diagnosis using a Rotunda-approved ultraviolet blacklight. It is not necessary to add additional dye to the refrigerant system before diagnosing leaks, even if a significant amount of refrigerant has been removed from the system. Replacement suction accumulators and receiver/driers are shipped with a fluorescent dye "wafer" included in the desiccant bag which will dissolve after approximately 30 minutes of continued A/C operation. It is not necessary to add dye after flushing or filtering the refrigerant system because a new suction accumulator or receiver/drier is installed as part of the flushing or filtering procedure. Additional refrigerant system dye should only be added if more than 50% of the refrigerant system lubricant capacity has been lost due to a fitting separation, hose rupture or other damage.
NOTE
Before using the R-134a Fluorescent Dye Injector for the first time, refer to the manufacturer's instructions on evacuation of any non-condensable gasses from the hoses.
Using A Dye Injector Loop Kit
Specific to:
Ford Taurus 2008-2009
Mercury Sable 2008-2009
NOTE
Refrigerant system pressure should be between 413-551 kPa (60-80 psi) at 24°C (75°F).
- Verify that the valves on the Deluxe Injector Loop Kit are closed.
- Fill the Deluxe Injector Loop Kit reservoir with 7 ml (0.25 oz) of fluorescent dye.
- Install the Deluxe Injector Loop Kit between the high-pressure and low-pressure service gauge port valves.
CAUTIONMake sure all tools and hoses are clear of the engine cooling fan and drive belt before starting the engine. Failure to keep tools and hoses clear from the engine cooling fan and drive belt will result in damage to the tools and/or vehicle. - With the A/C off, start the engine. Allow engine speed to stabilize below 1,000 rpm.
- Open the high-pressure service valve.
NOTETo prevent pressure spike/liquid slug, crack the Deluxe Injector Kit valves and slowly open to inject the fluorescent dye into the refrigerant system. - Open the Deluxe Injector Loop Kit valves and inject the fluorescent dye into the refrigerant system.
- Close the high-pressure service valve to allow the pressure inside the Deluxe Injector Loop Kit to equalize with the suction side of the refrigerant system.
NOTEClose the valves on the Deluxe Injector Loop Kit while the A/C compressor is operating. - Close the valves on the Deluxe Injector Loop Kit.
NOTELeave all valves on the special tool closed when not in use. - Disconnect the high-pressure and low-pressure service valves and remove the Deluxe Injector Loop Kit from the vehicle.
Specific to:
Ford Taurus 2008-2009
Mercury Sable 2008-2009
NOTE
Only connect the R-134a Fluorescent Dye Injector to a manifold and gauge set or R-134a service center when fluorescent dye is to be injected. The R-134a Fluorescent Dye Injector has a one-way check valve that will prevent refrigerant system recovery and evacuation.
NOTE
Refrigerant system pressure should be between 413-551 kPa (60-80 psi) at 24°C (75°F) with the engine off and cool.
- Connect an R-134a A/C refrigerant service center or a manifold and gauge set to the refrigerant system service port valves.
- Verify that the valves on the fluorescent dye injector are closed.
- Fill the fluorescent dye injector reservoir with 7 ml (0.25 oz) of fluorescent dye.
- Install the fluorescent dye injector between the low-pressure service gauge port valve and the R-134a refrigerant service center or manifold gauge set.
- Open all valves and inject the fluorescent dye into the refrigerant system.
- When fluorescent dye injection is complete, close all valves.
- Recover the refrigerant from the R-134a Fluorescent Dye Injector.
- Remove the fluorescent dye injector from the low-pressure service gauge port valve and the R-134a A/C refrigerant service center or manifold gauge set.
This details will help to test the Leak in Ac lines and system.
Thanks.
FOR MORE HELP GO TO: ---
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