2. Find the leak
Once you stopped, look for clues like drips and stains on the ground, steam, corrosion around the tubes, or fluids shooting out. Parts you should inspect include: radiator, hoses, clamps, thermostat gasket, water pump, heater hoses, by-pass hose, reservoir tank and radiator cap. But, beware, some radiator leaks, for example those on a Ford or Chevy truck may not show when the engine is cold and require great heat or pressure. If you can’t identify the leak when the system is cold, try using pressure. If that doesn’t work either, and you are confident the radiator is broken, consult with a certified mechanic.
Finding the exact place where the system is leaking can be tricky and difficult, especially if you have a small leak. The coolant can be sprayed from the fan or run down by each of the fins. Good news is there are few typical places to look for a leak which are prone to damage after the radiator has aged. One most common is along the solder seams, right between the core, or the radiator and the tank. Another places worth checking are stress joints. Both this areas are near the outlet and inlet tubes.
Source: www.popularmechanics.com
While on it, check other parts of the cooling system as well, for there might be problems in other places. Perhaps there a water pump leak, a thermostat gasket leak, or a leaky heater hose. Double check whether the radiator leak is the only problem you’re facing. Repairing only one leak will not do you much good if you do not check and fix the rest of the cooling system. You will be heading out for more trouble, and back to the repair shop.
- Cheap radiator repair
If you identified a coolant leak, than a cheap radiator repair might do the trick. Especially if it happens while on the road, there are certain tips and trick you need to know so you will be able to slow or stop the leakage, and drive till the closes repair shop.
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