500 1.2 Pop Thermostat Housing

[TGCLGC]

Hi All, Has anybody else experienced the heater house connection breaking off at the shoulder of the thermostat housing. It is a plastic unit that looks as though it should unscrew from the aluminium housing.
Is this common?:bang:

 

[306maxi]

Nope, not common.

 

[Andy Monty]

seen one or 2 in the grande punto section they share the same engine set up