You should recover the refrigerant, if repairing the A/C lines and drain the coolant, if repairing the heater lines, raise and support the vehicle, locate the area that requires repair, obtain a length of replacement line to make the repair, use a tubing cutter in order to cut and remove the section of damaged line, use a tubing cutter in order to cut the replacement line to length, use the cleaning pad from the J 41425 in order to clean any burrs or grease from the line ends, be sure to clean at least 19 mm (0.75 in) from the line ends, use the LOK prep sealant in order to prep the line ends, apply one drop of the J 41425-3 sealing compound to the outside of each end of the line, insert the line ends into the LOK fitting, rotate the LOK fitting one complete turn in order to evenly distribute the sealing compound around the lines, install the correct LOK fitting jaws into the J 41425-1 tool, install the J 41425-1 tool over the LOK connector and verify that the LOK connector ends are positioned in the counter bores of the jaws.
By BobGM Specialist
28/10/2022