During this Video I used a product called Water Weld made by JB Weld to repair a small fracture on an aluminum Coolant Pipe that is part of the Oil Cooler System on a 4th Generation Pontiac Firebird Trans Am equipped with an LT1 Engine.
Based on the package description Water Weld's tensile strenght is 900 psi, will withstand temperatures up to 300 Degree F, the product sets in 25 Minutes and Cure Time is 1 hr.
It also says that it works on: Copper,Brass,Iron,Aluminum and even Fiberglass and Plastic plus it says that it cures even under water.
Package also says that Water Weld is resistant to Water,Oil,Gas,Diesel,Hydraulic Fluids and most Chemicals.
Based on the package description I decided to give it a try.
During the Video you can see the steps I took to prepare the surface and how the product was applied. So far it appears that it repaired the Aluminum Coolant Pipe succesfully, I will know for sure after a few weeks when the car is driven and the repair is exposed to Engine Vibration and Driving Conditions.

Note: I sold the car 3 months after I did this repair and there were no leaks.

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