Xterra 2WD L4-2.4L (KA24DE) (2003)
Detection Dye".
1. Check A/C system static (at rest) Pressure. Pressure must be at least 345 kPa (3.52 kg/sq.cm , 50 psi).
2. Pour one bottle (1/4 ounce /7.4 cc) of the A/C refrigerant dye into the injector tool (J-41459).
3. Connect the injector tool to the A/C LOW PRESSURE side service fitting.
4. Start engine and switch A/C ON.
5. When the A/C operating (compressor running), inject one bottle (1/4 ounce /7.4 cc) of fluorescent dye through the low-pressure service valve
using dye injector tool J-41459 (refer to the manufacturer's operating instructions).
6. With the engine still running, disconnect the injector tool from the service fitting.
CAUTION: Be careful not to allow dye to spray or drip when disconnecting the injector from the system.
NOTE: If repairing the A/C system or replacing a component, pour the dye directly into the open system connection and proceed with the service
procedures.
7. Operate the A/C system for a minimum of 20 minutes to mix the dye with the system oil. Depending on the leak size, operating conditions and
location of the leak, it may take from minutes to days for the dye to penetrate a leak and become visible.