Dep-O Magazine

MX-5 Miata Thermostat Housing Fix

We take our usual on-the-cheap, bodge it and scarper approach to the common Mazda MX-5 (Miata, Eunos Roadster) failure point – the thermostat housing. Or more specifically, the bypass houses which run out of the bottom of it. Made of mild steel, these rust away to nothing, causing water leaks and all sorts of headaches. But as we’re far too mean to part with real money for a replacement housing (which are, coincidentally, freely avavilable), we raid the spares box, break out the tools and effect a cost-effective MX-5 Miata thermostat housing fix.



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