Thermostat stuck in the housing

[Back2Wyo]

I pulled the radiator to get the fan shield fixed and figured I'd change the thermostat while I have the room to work. I got the housing out but now I cannot get the old thermostat out. It will not move at all or turn in the bore. I've given it a soaking in penetrating oil but I'm if anyone else has had this problem and what you did to get the old thermostat out?

 

[18operator]

Mine was stuck on the engine side (not the housing). I used penetrating oil and gently "hit" it with a rubber mallet. It didn't take long before mine came out.

 

[Back2Wyo]

Got the thermostat out with penetrating oil and the use of a punch and hammer to get it to rotate.

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