The radiator cap is one of the most crucial parts of your cooling system, but unless you're having problems, you probably haven't given it much thought.

How can you tell when a radiator cap needs to be replaced and what function does it actually serve? We'll list all the details you need right here. Let's look at the warnings first.

If you are currently suffering coolant leaks, have your car repair fix them before arranging your upcoming MOT testing service. The most common indication of a damaged radiator cap is coolant leakage underneath the radiator. Additionally, the radiator's top may have dried-out white streaks flowing from it. Your radiator cap may become defective if your coolant level is low. Make an appointment with a qualified technician by conducting an internet search for garages in Reading and request a mechanic to carry out a full investigation of the coolant leak.

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