10/13/2023 0 Comments Car leaking coolant and no ac![]() Our article on car overheating at idle explains the potential reasons for overheating when your car is not moving and provides solutions to help you keep your engine running cool. At MotorAdvices, we have informative articles on a range of automotive issues, including what to do when your car is overheating at idle and when your car is overheating and smoking. Friction produces, increasing overheating possibility.Ĭar overheating but no leaks can be a frustrating and potentially dangerous problem. You may be surprised the overheating is caused by low oil levels which increase friction between the moving parts of your engine. Generally, any blockages in your cooling system limiting proper coolant flow will result in your engine overheatingĪlso, you may want t check the oil level. Testing and checking for actual leaks can help you determine if it’s indeed the head gasket that’s failing. The water loss may also be caused by the head gasket leaking the cooling fluid into the cylinder. Replaced the old cap with a new one and see if it helps fix the problem. That is, water will easily generate high pressure on your defective radiator cap and cause water loss. If you have a faulty radiator cap with a defective seal, it will lose pressure. If your experiencing a situation where your car is losing water and overheating but no leaks are showing, then the first culprit to check is the radiator cap. ![]() Why is your car losing water and overheating but no leaks? If you can’t see to figure out what’s causing the overheating on your own, then we recommend taking your car to a trusted mechanic to diagnose and fix it for you. ![]() Generally, you should replace your coolant regularly, and when doing coolant system servicing/repairs is the perfect time to flush all that coolant out. The mechanical types are usually powered by a serpentine belt which you can easily tell if it’s broken.Īlso, be sure to flush all the old coolant and replace it with a new one. There are two types of fans-electric and mechanical. That said, a faulty fan will result in poor airflow. The fans in your cooling system help pull air over your radiator, and in so doing help cool down your coolant. Still at it, if the radiator gets clogged, coolant flow through it will be limited, further increasing the possibility of an overheating problem. If coolant can’t move, it can’t cool your engine, resulting in overheating. This limits the amount of coolant that passes through the radiator to replace the hot coolant. These are pretty small compared to other lines, making them more vulnerable to clogging. This is more likely to happen to the radiator coolant hoses. You could also be having plugged coolant hoses that are blocking coolant flow. If the pump fails, it means the coolant won’t be moved so it just sits there and starts getting hot-causing your car to overheat.
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