How to Fix a Leak in an Aluminum Radiator

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Just because your radiator is leaking doesn't mean your car is junk. Fix a leak in an aluminum radiator with help from an expert in the automotive industry in this free video on auto repair.

Part of the Video Series: Auto Repair Tips
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Video Transcript

Hi, I'm Bob Holcomb from Apex Automotive in Great Barrington, Massachusetts. Today, we're going to look at aluminum radiators. This particular radiator, the fluid would run from one end to the other. The antifreeze, this is what takes the heat away from your engine. If it was damaged or leaking, the repair would be to replace this radiator as it would be very difficult to repair an aluminum radiator if it had a leak in the core. If the end of the radiator was leaking or the gasket around the end, it may be possible to install a new rubber seal. Although at the end of the day, it just may make more sense to replace the radiator. The first step would be to see if you actually have a malfunction in your radiator. If you see a wet spot or leakage and antifreeze is coming out, you'll know that the radiator is leaking. One thing you can do in an emergency is you can add radiator stop leak. This liquid will mix with your antifreeze and when it hits the atmosphere it will turn to a solid and stop the radiator from leaking, temporarily it will get you to your destination but it's not a permanent fix. The best fix for these aluminum radiators is to replace them. We recycle the old radiator into a new radiator. To replace your radiator, most are going to cost somewhere in the area of $100 to $200. It depends upon the application. The bigger the radiator the more it costs and these are a couple of tips on how to tell if your radiator is leaking and how to fix it. I'm Bob Holcomb from Apex Automotive in Great Barrington, Massachusetts.


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