Mazda 121 Water pump replacement
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Mazda 121 Water pump replacement
Why do Mazda 121 water pumps need to be replaced?
The water pump on your Mazda 121 is what controls the coolant flow through your engine and radiator.
Without it, the coolant would just sit and boil inside your engine, and cause it to overheat! It is a vital part of keeping your engine running and needs to be replaced as soon as an issue is found to keep your engine running at normal operating temperature.
A water pump replacement starts at around $300 and can increase to $1000+.
Water pumps can be electric or mechanical belt-driven both can fail over time. When a water pump fails or the seals wear out the pump can leak coolant, compromising the cooling system in the vehicle. When coolant is lost it can lead to the Mazda 121's engine overheating and cause permanent damage and failure.
Many water pumps are located in front of the engine and driven by the timing belt or drive belt. Depending on the vehicle it can take a lot of labour time to access the water pump. This is one of the reasons why mechanics suggest the water pump is replaced at the same time as the timing belt, as they are typically in the same location.
The last thing you want to do is replace a Mazda 121 timing belt and then have a leak in the water pump soon after. It's best practice to have them both replaced at the same time to save on time and money.
