Rainier AWD V8-5.3L VIN P (2004)
IMPORTANT:The length of the replacement line must be the same as the section being replaced.
8. 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 splice area.
9. Use the LOK prep sealant in order to prep the line ends.
10. Apply one drop of the J 41425-3 sealing compound to the outside of each end of the line.
11. Insert the line ends into the LOK fitting.
12. Rotate the LOK fitting one complete turn in order to evenly distribute the sealing compound around the lines.
13. Install the correct LOK fitting jaws into the J 41425-1 tool.
14. Install the J 41425-1 tool over the LOK connectors.Verify that the LOK connector ends are positioned in the counter bores of the jaws.
15. Tighten the forcing screw of the J 41425-1 tool.When fully seated, the LOK connector collars will bottom out on the center shoulder of the LOK
fitting.
IMPORTANT:Hold the J 41425-1 tool body with a 3/8" breaker bar.
16. Loosen the forcing screw and remove the J 41425-1 tool from the repaired line.
17. Repeat Step 8 through Step 16 to complete the line splice.
18. Verify that the LOK fittings are correctly installed.
19. Lower the vehicle.
20. Refill the coolant, if drained. Refer to Draining and Filling Cooling System (Body Vin Code 6)Draining and Filling Cooling System (Body Vin
Code 3) in Cooling System.
21. Evacuate and recharge the refrigerant, if repairing the A/C lines.
Line Sectioning Repair
HEATER AND AIR CONDITIONING (A/C) PIPE REPLACEMENT/REPAIR - AUXILIARY
TOOLS REQUIRED
J 41425 A/C Line Repair Kit
Do not service the rear A/C or heater lines as a complete unit. Service the rear A/C or heater lines as a sectional repair.
You can obtain the various sections of line through GMSPO.
Use the J 41425 when any of the following actions damage the rear A/C or heater lines:
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Rub-through
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Collision damage
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Leakage in the system