Frequently asked questions about Coolant
Read our FAQs about Coolant. Find answers and practical tips from real CROP specialists. Have you read them? Continue to all Coolant.
Can you just top up coolant?
Yes, you can top up coolant, but caution is needed. It is best to top up coolant when the engine is cold and to use the correct type to prevent engine damage.
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What is the function of coolant?
The function of coolant is to keep the engine at the correct temperature and prevent overheating. Coolant also protects against freezing and corrosion in the cooling system.
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What is the difference between blue and red coolant?
The difference between blue and red coolant is mainly in the additives used and the service life. Blue coolant is often an older type (mineral), while red coolant usually has a longer service life and better corrosion protection; they are not always interchangeable.
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How long can you keep driving without coolant?
You cannot safely continue driving without coolant. Driving without coolant can quickly overheat the engine and cause serious engine damage, often within just a few minutes.
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Is it okay to drive with a coolant level that is too low?
No, it is not okay to drive with a coolant level that is too low. Driving with a low coolant level can cause the engine to overheat and lead to serious damage.
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Can you drive with low coolant?
No, you cannot safely drive with low coolant. Driving with too little coolant can cause the engine to overheat and suffer serious damage.
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Can the wrong coolant cause harm?
Yes, the wrong coolant can cause damage. It can lead to corrosion, blockages in the cooling system or reduced engine cooling.
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How do I know which coolant is in my car?
You can find out which coolant is in your car by checking the owner's manual or service booklet. It will state the coolant type and specifications suitable for your engine.
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Can I use red coolant instead of blue?
No, you cannot simply use red coolant instead of blue. Using a different type of coolant can cause additives to react, which may lead to corrosion or damage to the cooling system.
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Why is my coolant disappearing without a leak?
Coolant can disappear without a visible leak due to evaporation or small internal leaks in the engine, such as a head gasket leak. This can cause the level to drop even when no obvious external leak is visible.
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Is every coolant suitable for my car?
No, not every coolant is suitable for your car. It is important to use the correct type of coolant and specifications to prevent overheating and damage to the cooling system.
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What happens if I use the wrong colour coolant?
If you use the wrong colour coolant, the additives in the fluids may react with each other. The wrong coolant colour can lead to corrosion, blockages and reduced engine cooling.
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