Replacing Ferrari 308 GT4 header tank

Noticed leak from the top of the header tank – rusted through from the inside:


Secret bolt behind the tank which is not visible but easy enough to reach once you know it's there


Ordered new aluminium tank from Superformance http://www.superformance.co.uk/a-308/cooling.htm £150

Emptied coolant to below tank level and replaced the tank. Easy job: