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andyshane

C 13 Thermostat/Regulator Change

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Sources talk about how easy it is to change, that the "regulator" as thermostats are sometimes called in Caterpillar-speak should be changed every few years.

I loosened my thermostat housing, and all associated connections except for one: it comes affixed to a 1.25" metal tube presumably leading to the water pump. Thinking the tube (it is hard to see) was a hose, I was inching the housing upward, having detached the hose end below. Two things surprised me: the hose end below was unrelated, and the metal tube inched out of the housing, suggesting a slip joint. 


'Problem is, it stopped coming out after two inches of upward travel.

In all of the photos of the housing, there is simply an open hole where the tube is stuck, on mine. 

Can anyone help? This is not supposed to be a difficult job, but I'm stalled.

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