If your car radiator has a small leak, you may be wondering if it is possible to repair a plastic radiator and fix a radiator leak. Afterall, there is highpressure, hightemperature coolant in the radiator tank. You may ask yourself, "How can a radiator epoxy adhesive possibly hold up under those conditions?" The answer is that it probably can't. It may fix the radiator leak temporarily, but over time, the radiator adhesive will, more than likely, come off.

If you take your car to a radiator repair shop to repair a leaking radiator, you will often find that they will repair metal radiator tanks but NOT repair plastic radiator tanks. Instead, the radiator repair shop will probably try to sell you a replacement radiator. The replacement radiator cost can be very high compared to just repairing something so minor and easily repairable.

Radiator tank repairs are not difficult at all. Just keep in mind a few things when you are repairing a cracked plastic radiator tank. First, the repair has to withstand high operating temperatures (200°F or 94°C and up).

Second, the repair has to contain hot, pressurized coolant, making it immediately obvious when your weld is lessthanperfect. Because of the harsh operating conditions, the radiator tanks are made from glassreinforced nylon, a plastic that features a highsoftening point. The highsofteningpoint nylon plastic is what helps the plastic radiator tank withstand the pressure and temperatures involved.

Adhesives don't stand a chance in such an environment. There's no way an adhesive bond can hold on over the long run at such temperatures with highpressure water behind it.

The only true way to patch a plastic radiator tank is with a true fusion weld. The Radiator Repair Kit enables you to melt pure nylon fill material directly into the base material, creating a seamless, strong repair.

Creating a durable weld repair is not as easy on the radiator as it is on other plastic parts because of the high melting point of the nylon and the harsh operating conditions. However, by following the simple stepbystep procedure we have outlined here, you will be making quality repairs in no time.


Featured product:
5212 Plastic Radiator Tank Repair Kit: https://www.polyvance.com/RadiatorRe...
View this video on our website for more information: https://www.polyvance.com/video/radia...


Chapters:
Intro: 0:00
View of the damage (#1): 0:10
Using a heat gun (#1): 0:26
Melting a vgroove (#1): 0:41
Melting and mixing the nylon rod (#1): 0:55
Strength test and final look (#1): 1:26
View of the damage (#2): 1:41
Using a heat gun (#2): 1:51
Melting a vgroove (#2): 2:04
Melting and mixing the nylon rod (#2): 2:18
Final smoothing and finished look (#2): 2:57


⚠ Important ⚠
Always wear proper safety gear while working!
The length of this video is in no way representative of the actual time required to perform a complete repair and therefore should not be used for estimating purposes.


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