Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
7. Install J 41425-1 over the connector and tubes.
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The connector ends must be positioned in the counter bores of the jaws.
8. Turn the forcing screw while holding the tool body with a 3/8 breaker bar until both of the connector collars have bottomed on the center shoulder
of the LOK fitting.
9. Loosen forcing screw and remove the tool from the repaired line.
10. Verify LOK fitting for proper installation.
11. Refill the coolant system.
12. Verify system for no leakages.
Heater Line Sectioning Repair
If a leak has occurred on a bend of the heater line, the line must be sectioned for repair.
Important
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Sectioning the heater lines will require a minimum length to the straight part of the line on both sides of the splice.
Minimum Tube Length Requirements Chart
1. Drain the coolant system.
2. Obtain a new heater line for sectioning.
3. Scribe a mark on the damaged heater line to be cut using the "Minimum Tube Length Requirements Chart".
4. Scribe a mark to the new line to be sectioned.
5. Using a tubing cutter, cut both heater lines.
6. Clean any burrs or grease at least 3/4 of an inch from the heater line using the cleaning pad provided in the kit.
7. Prep the heater line to be repaired using the lok prep sealant.
8. Install the proper LOK fitting into the jaws.
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Apply one drop of sealing compound J 41425-3 to the outside of each line end.
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Insert the line ends into the LOK fitting. Rotate the LOK fitting one complete turn to evenly distribute the sealing compound around the lines.
9. Install J 41425-1 over the connector and tubes.
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The connector ends must be positioned in the counter bores of the jaws.
10. Turn the forcing screw while holding the tool body with a 3/8 breaker bar until both of the connector collars have bottomed on the center shoulder
of the LOK fitting.
11. Loosen forcing screw and remove the tool from the repaired line.
12. Verify LOK fitting for proper installation.
13. Repeat Steps 5 through 11 for the other end of the repair line.
14. Refill the coolant system.
15. Verify system for no leakages.
Heater Pipe Service Kit
