thermostat housing - Alfa Romeo Forum
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thermostat housing

just a quickie guys,,,....

is a sud' thermostat pressed into the thermostat housing or held in with a clip?

i have a thermostat on my engine where the stat is held in by the housing being peened over it,... outside it looks remarkably like a 116 series GTV / NORD engine stat ...

have i got the wrong thermostat ??

..... has anybody got a proper sud one ???
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Hi Kamm - my thermostat elements have always been retained by the bolt-on water elbow. There was a sealed thermostat used on some later cars though, maybe you have one of those?

The design does look like a bit of an afterthought - on the twin carb the housing is located by a tab that pokes into one of the core plug recesses...
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Early engines had a 2 part thermostat housing with a replaceable inner bit. Later cars (approx 1985 onwards) had a one piece sealed unit. Doesn't seem to make any difference which one you use.
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Only that the later ones are worst and tend to stuck more often.....
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...the later type is the only thermostat to use if you got a 33 Nuova or have like I have re-fitted the car with power-steering. The angle of the outlet pipe of the thermostat is different to get clearance to the servo pump.. Twin carb cars and iE without power-steering can have both types.
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housing , thermostat

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