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If the concentration of antifreeze in your coolant is too low, it can freeze and expand. This could crack the engine block and lead to an expensive repair bill.
Before cold weather sets in, drivers should ensure their coolant is a 50/50 mix of antifreeze and water. Testers can be bought for around £10 from most hardware stores. At the same time, the screenwash reservoir should be topped up with a winter-grade formula that has a lower freezing point.
The needs for windscreen wipers, heaters and lights increase as the weather deteriorates and the evenings get darker. This can drain a cold battery’s power. An older battery that appears fine in autumn weather can fail in the winter without warning.
Any sluggishness when you start the engine can be a sign of a battery struggling which needs replacing by a professional. If a car battery has been used for 3 more years, it’s advisable for it be checked by a professional before winter arrives.