Grandpa TJ gathered videos on the kinds of leaks that show up when a car overheats. If you are handy with simple tools, you can often finish the job for far less than a shop visit.
If you have them, wear safety glasses and heavy gloves or use a thick rag when working around the pressurized hot water in your radiator! Never open a hot radiator cap. Get the car safely off the road, let the engine cool, and confirm whether you are seeing steam or smoke before you start troubleshooting.
Pros: A guided video covers many leak types you may run into when the car overheats — enough to get the job done with basic tools.
Cons: Some failures still need a shop; stop if you are out of your depth.
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