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How to seal leaking metal/steel coolant line hose?

what is kind of sealant to use?
Date: Thu-Oct-3-2013-
Response
0
The one and the only JB weld, just make sure to to mix very well and prepare the surface Sand down to bare metal.
[d] By: hamdi
Date: Thu-Oct-3-2013
Response
0
Heater and A/C Pipe Repair - Auxiliary
Do not service the rear heater lines as a complete unit. Service the rear heater lines as a sectional repair.
You can obtain the different sections of line through GMSPO.

Tools Required
J 41425 A/C Line Repair Kit

Use the J 41425 when any of the following actions damage the A/C or heater lines:
Rub-through
Collision damage
Leakage in the system

Follow the Straight Line Repair procedure in order to repair the type of damage described above.
If the A/C or heater lines have visible damage or a leak in a bend area, replace the lines. Section the lines in order to obtain the original line shapes. Maintaining the original line shape will prevent vibrations and rub-through.

Follow the A/C Line Sectioning Repair procedure in order to repair any damage in a bend area.

Straight Line Repair
1. If you are repairing the A/C lines, evacuate, charge and leak test the system. Refer to Refrigerant Recovery and Recharging.
2. If you are repairing the heater lines, drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
4. Locate the area that requires repair.
5. Use a tubing cutter in order to cut the damaged line for repair.
6. Use the cleaning pad from the J 41425 in order to clean any burrs or grease. Be sure to clean at least 19 mm (0.75 in) from the A/C line.
7. Use the LOK prep sealant in order to prep the A/C line.
8. Apply one drop of the J 41425 -3 sealing compound to the outside of each end of the line.
9. Install the correct LOK fitting into the jaws:
9.1. Insert the line ends into the LOK fitting.
9.2. Rotate the LOK fitting one complete turn in order to evenly distribute the sealing compound around the lines.
10. Verify that the connector ends are positioned in the counter bores of the jaw.
11. Install the J 41425-1 tool over the connectors and the tubes.
12. Hold the tool body with a 3/8 breaker bar. Turn the forcing screw until both of the connector collars bottom on the center shoulder of the LOK fitting.
13. Loosen the forcing screw. Remove the tool from the repaired line.
14. Verify that the LOK fitting is correctly installed.
15. Lower the vehicle.
16. If you drained the cooling system, refill the coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
17. If you are repairing the A/C lines, recharge and leak test the system. Refer to Refrigerant Recovery and Recharging.
Date: Thu-Jan-5-2017
Response
What is 1 + 100



Helpfulbox Now Offers Free POS Software

for restaurants, kiosk, and any other retails business completely free. It can be used as windows cashier system or as full blown POS. You will able to print to kitchen, display orders on the kitchen screen, manage inventory, employee, report, customer loyalty offers, employee management, delivery address track and much more, all for free.

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