The thermostat and water pump are the two moving parts of the cooling system, and both are cheap insurance. On belt-driven 1.6/1.8 engines the water pump is driven by the timing belt, so its service is tied to that job
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Mazda MX-5 Miata · Cooling
The thermostat and water pump are the two moving parts of the cooling system, and both are cheap insurance. On belt-driven 1.6/1.8 engines the water pump is driven by the timing belt, so its service is tied to that job
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