Express 1/2 Ton Van V6-4.3L VIN W (1999)
Hose/Line HVAC: Service and Repair
Heater and A/C Pipe Repair - Auxiliary
A/C Line Sectioning Repair
If the A/C line has a leak on a bend, section the line for the repair.
TOOLS REQUIRED
J41425 A/C Line Repair Kit
1. Recover the A/C system. Refer to Refrigerant Recovery and Recharging. See: Refrigerant/Service and Repair
2. Obtain a new A/C line for sectioning.
IMPORTANT: Sectioning the A/C lines requires a minimum length to the straight part of the line on both sides of the splice. Refer to the
Minimum Tube Length Requirements table.
3. Scribe a mark for the cut on the damaged A/C line.
4. Scribe a mark on the new line for sectioning.
5. Use a tubing cutter in order to cut both A/C lines.
6. Use the clean pad provided in the J 41425 in order to clean any burrs or grease at least 19 mm (0.75 in) from the A/C line.
7. Use the LOK prep sealant in order to prepare the A/C line for the repair.
8. Apply one drop of the sealing compound, J 41425-3, to the outside of each line end.
9. Insert the line ends into the LOK fitting.
10. Rotate the LOK fitting one complete turn in order to evenly distribute the sealing compound around the lines.
11. Install the J 41425-1 over the connector and the tubes.
12. Ensure that the connector ends are in position in the counter bores of the jaws.
13. Turn the forcing screw while holding the tool body with a 3/8 breaker bar until both of the connector collars bottom on the center shoulder of the
LOK fitting.
14. Loosen the forcing screw.
15. Remove the tool from the repaired line.
16. Verify the LOK fitting for proper installation.
17. Repeat the necessary steps in order to repair the other end of the A/C line.
18. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
19. Inspect the system for leaks.
General Information
TOOLS REQUIRED
J41425 A/C Line Repair kit
Use the J41425 for all A/C lines that require repair because of the following conditions:
^
Rub through
^
Collision damage
^
System leakage
Refer to Straight Line Repair below.
When the A/C line has visible damage in a bend area, section the A/C line. Refer to A/C Line Sectioning Repair. Sectioning the line obtains the
original line shape in order to avoid vibrations or rub through.
Straight Line Repair
TOOLS REQUIRED
J41425 A/C Line Repair Kit
1. Recover the A/C system. Refer to Refrigerant Recovery and Recharging. See: Refrigerant/Service and Repair
2. Locate the repair area.
3. Use a tubing cutter in order to cut the damaged line for the repair.
4. Use the clean pad provided in the J 41425 in order to clean any burrs or grease at least 19 mm (0.75 in) from the A/C line.
5. Use the LOK prep sealant in order to prepare the A/C line for the repair.
