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 high-pressure, high-temperature coolant in the radiator tank. You may ask yourself, 'How can a radiator epoxy adhesive possibly hold up under those conditions?' How to Fix a Cracked Plastic Radiator Tank with a Radiator Repair Kit. Depends where the crack is and if this is an aluminum with plastic tanks or the old style copper one. The newer style plastic tank ones are pretty much not repairable. 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. ![]() Jan 27, 2012 - A plastic radiator repair is easier and cheaper to do, as compared to a metal radiator repair. Most technicians will advise you to replace the. Pepper is not the only quick fix for a radiator leak. On the off chance that you happen to have a few eggs on hand, the yolks can also serve as a temporary fix. Separate about three to four yolks from the whites, discard the whites, uncap the radiator, then pour the yolks inside. 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 less-than-perfect. Because of the harsh operating conditions, the radiator tanks are made from glass-reinforced nylon, a plastic that features a high-softening point. The high-softening-point 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 high-pressure 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 that will last for the long haul. 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 step-by-step procedure we have outlined here, you will be making quality repairs in no time. With this kit, you get a heavy duty heating element, a tip that makes repairing a leaking radiator easy, and 15 feet (4.6 m) of nylon welding rod (the same material from which car radiators are made). Let us know your thoughts on this video by leaving a comment on YouTube! ![]() ![]() Wdm r241 wdm r2416ul. Click here: Products Used: • • • • Buy our nylon rods separately. How To Fix Plastic Radiator NeckI have a radiator leak that I want to repair instead of replacing the whole radiator. I tried a couple of 2 parts epoxy glues and it won't hold for long. I think the heat just makes it weak. They are small leaks(2) on top of the plastic area. Best Epoxy For Radiator RepairI was thinking maybe trying some fiberglass resin and cloth since I have some leftover from my fibeglass speaker box I've done a while back but not sure if I should go that way. Anyone knows of another way? Anyone had this problem and got a fix? Or if there's a website where I can get the top piece to replace it myself please post a link. It's a 2000 dodge neon. You can buy radiator flush kits at most auto parts stores and I think Wal-Mart carries one too.
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