Braze radiator crack

If the damage to a radiator is not extensive, a repair can many times be done through soldering. Soldering is not like brazing or welding, as it does not physically bond two metals together; it is more like a patch, but a pretty good one. As with welding, more is not necessarily better.

As long as the solder job is a quality one, the fix could last for the lifetime of the radiator. Prepare the damaged area for soldering. This includes removing any paint with a small grinding wheel or wire brush, along with removing any burrs or sharp edges that may exist.

If using a grinder, be very careful not to worsen the damage, because radiators are made from very soft metal. Then clean the area with a strong solvent such as Simple Green or Brake Cleaner so that the solder adheres to the radiator without problems. Would block sealer fix that? Feel free to contact our technical support line at with any other questions.

Synthetic Power Steering Fluid. Windshield Washer Concentrate. Temperature Fluctuations Rocks Accidents Radiator Fans Dirty Coolant Over Pressure Temperature Fluctuations Your radiator has to be able to function anywhere between ambient temperature which varies depending on where you live to over degrees!

Accidents Fender benders regularly cause radiator leaks since your radiator is at the front of your vehicle. Radiator Fan Fans can cause radiator damage in two ways. Dirty Coolant Dirty coolant can cause a radiator leak due to corrosion. Over-pressure As the antifreeze in your cooling system heats up it will expand and expanding fluids increase pressure in a closed system. Cracked Radiator Cost The price to fix a cracked radiator will vary greatly depending on the make and model of the vehicle as well as how you choose to get the radiator fixed.

Are stores available on the island of Mindoro Philippines to buy products. BlueDevil Pro on August 28, at am. Phillip- We currently do not have any distributors in the Philippines.

Jack S Gates on November 2, at am. BlueDevil Pro on November 2, at am. Thank you! Victor Dove on February 7, at am. BlueDevil Pro on February 8, at am. Related Articles.

Search Blog. Blog Categories. Ask the BlueDevil Pro. Engine Cool. Clearance should be around. The rod has a flux core that will melt much lower than the rod, so if the rod itself will not melt, have patience. Can I use Flex Seal to stop a radiator leak? Flex Seal is not made to handle the pressure of a coolant system.

These types of epoxies act as glue that will adhere to cast iron, filling the crack with a safe seal. Yes, radiator epoxy or cold weld epoxy is effective in repairing a leak.

However, this is not a lasting solution. You fix a radiator leak yourself and it should hold for a while, but it is recommended you get a replacement as soon as possible. When soldering your leaky radiator, make sure that you heat the damaged area of the radiator first. Hold the tip of the soldering iron to the radiator until it is hot enough to accept the solder and wire easily. After you have heated the leaky area of the radiator, slowly solder the wire into the radiator.

It is possible to weld cast iron, although it can be problematic due to the high carbon content.