Users' questions

Does Radweld work on heater matrix?

Does Radweld work on heater matrix?

Radweld is compatible with coolant. Just pour and go. It seals holes in radiators, hoses, and the heater matrix. It will treat systems up to 14L capacity.

Is Radweld a permanent fix?

The Holts Radweld Plus is a permanent repair solution for leaks which is easy to use at home as an alternative to garage repairs. It works through your system quickly to seal leaks in; Radiators; Engine blocks; Cylinder heads; Hoses.

Will Stop Leak fix a heater core?

It easily seals leaks in plastic, aluminum, and metal radiators, heater cores, gaskets, and freeze plugs. One other benefit is this stop leak can be added to the cooling system without having to flush out the antifreeze.

How does the radweld plus cooling system work?

Radweld Plus is an easy to use, total cooling system leak repair. It works through your system to quickly seal leaks in: Radweld Plus can be used at home and is simple to use; there’s no need to flush or drain the system. Simply pour in and let Radweld Plus locate and seal the leaks. Product is currently out of stock with all retailers.

How long to run radweld with heater on?

3. Shake the Radweld bottle and pour into the cooling system. 4. Run your car’s engine for 15-25 minutes with the heater on and check to see that the leaking has stopped. 5. Finally check your car’s coolant level.

Which is the best Holts radweld cooling system?

Holts have been developing automotive repair products to keep you driving since 1919. Our products are developed in our UK laboratories and tested on the road. Radweld Plus is part of our trusted Radweld range which is guaranteed to work in all vehicles without causing damage.

Is the heater core the same as the radiator?

The heater core is also known as the heater matrix. It works in a similar way to the car radiator but, instead of removing heat to the outside air, it transfers heat to the vehicle interior to help keep you warm.